Works (57)

Updated: August 7th, 2024 05:02

2024 journal article

Structural, computational, docking and biological studies of a triaminopyrimidine caspase-1 inhibitor

JOURNAL OF MOLECULAR STRUCTURE, 1318.

By: K. Grice, Z. Varsbergs, Y. Zhang, S. Zingales, A. Johnson, R. Sommer*, C. Karver

author keywords: Caspase-1; Triaminopyrimidines; X-ray crystallography; DFT; Docking
topics (OpenAlex): Synthesis and biological activity; Metal complexes synthesis and properties; Pharmacological Receptor Mechanisms and Effects
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Source: Web Of Science
Added: August 5, 2024

2023 journal article

Synthesis, characterization, computational studies, and reactivity of platinum(II) complexes of alkyl phosphite ligands

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 999.

By: K. Grice*, E. Crespo*, M. Anselmo*, S. Bobrov*, F. Farooqui*, A. Lawando*, R. Sommer n

author keywords: Organoplatinum(II) complexes; Phosphite ligands; X-ray crystallography; Computational chemistry
topics (OpenAlex): Organometallic Complex Synthesis and Catalysis; Synthesis and characterization of novel inorganic/organometallic compounds; Metal complexes synthesis and properties
Source: Web Of Science
Added: November 20, 2023

2022 journal article

Electrolyte Solvation and Ionic Association: Part IX. Structures and Raman Spectroscopic Characterization of LiFSI Solvates

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 169(11).

author keywords: LiFSI; solvate; Raman; bis(fluorosulfonyl)imide; crystal structure
topics (OpenAlex): Advanced Battery Materials and Technologies; Ionic liquids properties and applications; Advancements in Battery Materials
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6. Clean Water and Sanitation (OpenAlex)
Sources: ORCID, Web Of Science
Added: November 29, 2022

2022 journal article

Solvate Structures and Computational/Spectroscopic Characterization of LiCF3SO3 Electrolytes

JOURNAL OF PHYSICAL CHEMISTRY C, 126(43), 18251–18265.

By: S. Yun n, S. Han n, O. Borodin*, D. Seo n, T. Afroz n, R. Sommer n, W. Henderson n

topics (OpenAlex): Solid-state spectroscopy and crystallography; Chemical and Physical Properties in Aqueous Solutions; Ionic liquids properties and applications
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Sources: Web Of Science, NC State University Libraries
Added: November 21, 2022

2021 journal article

Probing the Hydrogen-Bonding Environment of Individual Bases in DNA Duplexes with Isotope-Edited Infrared Spectroscopy

JOURNAL OF PHYSICAL CHEMISTRY B, 125(28), 7613–7627.

MeSH headings : DNA; Hydrogen; Hydrogen Bonding; Isotopes; Spectrum Analysis
topics (OpenAlex): DNA and Nucleic Acid Chemistry; Mass Spectrometry Techniques and Applications; Spectroscopy and Quantum Chemical Studies
TL;DR: A method using isotope editing and infrared (IR) spectroscopy to isolate IR signals from the thymine (T) C2=O carbonyl, consistent with the existence of a third, noncanonical CH···O H-bond between adenine and thymine in both Watson–Crick and Hoogsteen base pairs in DNA. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 9, 2021

2020 journal article

Asymmetric Synthesis of a Bacteriochlorophyll Model Compound Containing trans-Dialkyl Substituents in Ring D

The Journal of Organic Chemistry, 85(10), 6605–6619.

MeSH headings : Bacteriochlorophyll A / chemistry; Bacteriochlorophylls / chemistry; Fluorescence
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photosynthetic Processes and Mechanisms; Radical Photochemical Reactions
TL;DR: The strategy wherein trans-dialkyl substituents are installed very early and carried through to completion, as validated herein, potentially opens a synthetic path to native photosynthetic pigments. (via Semantic Scholar)
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Source: ORCID
Added: May 5, 2020

2020 journal article

Crystal Structure of 1,9-Dibromo-5-phenyldipyrrin, Tetrapyrrole Synthesis Derivative and Free Base Ligand of BODIPY Building Blocks

X-RAY STRUCTURE ANALYSIS ONLINE, 36, 21–22.

By: . Donal F. O'shea n, R. Sommer n, M. Taniguchi n & J. Lindsey n

Contributors: . D.F. O'Shea, R. Sommer n, M. Taniguchi n & J. Lindsey n

topics (OpenAlex): Luminescence and Fluorescent Materials; Porphyrin and Phthalocyanine Chemistry; Molecular Sensors and Ion Detection
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 3, 2020

2020 journal article

Identification of key functionalization species in the Cp*Ir(iii)-catalyzed-ortho halogenation of benzamides

Dalton Transactions, 49(45), 16166–16174.

By: A. Guzmán Santiago n, C. Brown n, R. Sommer n & E. Ison n

topics (OpenAlex): Vanadium and Halogenation Chemistry; Oxidative Organic Chemistry Reactions
Sources: ORCID, Crossref, NC State University Libraries
Added: April 18, 2020

2020 journal article

Spectroscopic Signatures of Resonance Inhibition Reveal Differences in Donor–Bridge and Bridge–Acceptor Couplings

Journal of the American Chemical Society, 142(10), 4916–4924.

By: D. Shultz n, M. Kirk*, J. Zhang n, D. Stasiw n, G. Wang n, J. Yang*, D. Habel-Rodriguez*, B. Stein*, R. Sommer n

topics (OpenAlex): Magnetism in coordination complexes; Electron Spin Resonance Studies; Lanthanide and Transition Metal Complexes
TL;DR: The work provides new detailed insight into the effects of torsional rotations which contribute to inhomogeneities in experimentally determined exchange couplings, electron transfer rates, and electron transport conductance measurements. (via Semantic Scholar)
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Source: ORCID
Added: March 3, 2020

2020 journal article

Synthesis and Reactivity of Re(III) and Re(V) Fischer Carbenes

ORGANOMETALLICS, 39(3), 388–396.

By: C. Brown n, C. Lilly n, N. Lambic n, R. Sommer n & E. Ison n

topics (OpenAlex): Organometallic Complex Synthesis and Catalysis; N-Heterocyclic Carbenes in Organic and Inorganic Chemistry; Asymmetric Hydrogenation and Catalysis
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2020 journal article

Synthesis and reactivity of nitridorhenium complexes incorporating the mercaptoethylsulfide (SSS) ligand

Dalton Transactions, 49, 6127–6134.

By: N. Lambić n, R. Sommer n & E. Ison n

topics (OpenAlex): Carbon dioxide utilization in catalysis; Organometallic Complex Synthesis and Catalysis; Organoboron and organosilicon chemistry
TL;DR: The lack of a significant steric profile on the SSS ligand combined with enhanced nucleophilicity of the nitrido group does not allow for the effective formation of frustrated Lewis pairs with these complexes and as a result these species are poor catalysts for the hydrogenation of unactivated olefins. (via Semantic Scholar)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 24, 2020

2019 journal article

A five-coordinate iron(III) porphyrin complex including a neutral axial pyridine N-oxide ligand

Acta Crystallographica Section C Structural Chemistry, 75(6), 717–722.

By: M. Short*, R. Sommer n, A. Falzone*, T. Huang*, W. Weare* & J. Roizen*

author keywords: spin-crossover behavior; five-coordinate iron(III); porphyrin; crystal structure; pyridine N-oxide
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Magnetism in coordination complexes; Metal-Catalyzed Oxygenation Mechanisms
TL;DR: This complex provides a rare example of a five-coordinate iron(III) porphyrin complex that is coordinated to a neutral organic ligand through an O-monodentate binding mode. (via Semantic Scholar)
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Source: ORCID
Added: November 12, 2019

2019 journal article

Synthesis of 5,12-Diazapentacenes and Their Properties

JOURNAL OF ORGANIC CHEMISTRY, 84(23), 15079–15086.

By: R. Garcia n, M. Pech n, R. Sommer n & C. Gorman n

topics (OpenAlex): Organic Electronics and Photovoltaics; Luminescence and Fluorescent Materials; Organic Light-Emitting Diodes Research
TL;DR: The electrochemical and optical properties of the diazapentacenes were evaluated, and the values indicate that these molecules are promising n-type materials for organic electronic devices. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 30, 2019

2018 journal article

Excited-State Processes of Cyclometalated Platinum(II) Charge-Transfer Dimers Bridged by Hydroxypyridines

Inorganic Chemistry, 57(3), 1298–1310.

By: A. Chakraborty n, J. Yarnell n, R. Sommer n, S. Roy n & F. Castellano n

topics (OpenAlex): Photochemistry and Electron Transfer Studies; Free Radicals and Antioxidants; Organic Light-Emitting Diodes Research
TL;DR: The combined data illustrate that entirely new classes of MMLCT chromophores can be envisioned using bridging pyridyl hydroxides in cooperation with various C^N cyclometalates to achieve photophysical properties suitable for excited-state electron- and energy-transfer chemistry. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018

2018 journal article

High-valent nitridorhenium(V) complexes containing PNP ligands: implications of ligand flexibility

DALTON TRANSACTIONS, 47(3), 758–768.

By: N. Lambic n, R. Sommer n & E. Ison n

topics (OpenAlex): Organometallic Complex Synthesis and Catalysis; Inorganic Chemistry and Materials; CO2 Reduction Techniques and Catalysts
TL;DR: The addition of CO to isomer 3' is proposed to proceed with a similar mechanism to 2,6-dimethylphenyl isocyanide, and DFT (M06) calculations suggest that insertion of CNR into the Re-Me bond is inaccessible at room temperature. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2018 journal article

Tunable Optical and Photocatalytic Properties of Low-Dimensional Copper(I)-Iodide Hybrids Using Coordinating Organic Ligands

CRYSTAL GROWTH & DESIGN, 18(9), 5406–5416.

By: F. Hou n, M. Powel n, D. Dougherty n, R. Sommer n & P. Maggard n

topics (OpenAlex): Metal-Organic Frameworks: Synthesis and Applications; Magnetism in coordination complexes; Metal complexes synthesis and properties
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Sources: Web Of Science, NC State University Libraries
Added: October 16, 2018

2018 journal article

Understanding the structure and reactivity of the C-S linkage in biologically active 5-arylthio-5H-chromenopyridines

NEW JOURNAL OF CHEMISTRY, 42(2), 1151–1158.

By: K. Grice*, R. Patil*, A. Ghosh*, J. Paner*, M. Guerrero*, E. Camacho*, P. Cao*, A. Niyazi* ...

topics (OpenAlex): Synthesis and Catalytic Reactions; Phenothiazines and Benzothiazines Synthesis and Activities; Synthesis of heterocyclic compounds
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

1,2,4-Triazolidine-3-thiones as Narrow Spectrum Antibiotics against Multidrug-Resistant Acinetobacter baumannii

ACS MEDICINAL CHEMISTRY LETTERS, 8(1), 27–31.

By: W. Huggins n, B. Minrovic n, B. Corey*, A. Jacobs*, R. Melander n, R. Sommer n, D. Zurawski*, C. Melander n

author keywords: antibiotic resistance; antibiotics; Acinetobacter baumannii
topics (OpenAlex): Antibiotic Resistance in Bacteria; Bacteriophages and microbial interactions; Phenothiazines and Benzothiazines Synthesis and Activities
TL;DR: A small molecule with potent antibiotic activity against multiple strains of multidrug-resistant and extensively drug-resistant Acinetobacter baumannii is identified and represents a promising start in the development of a class of drugs that can target this bacterial pathogen. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: August 6, 2018

2017 journal article

Cationic rhenium ((III)) complexes: synthesis, characterization, and reactivity for hydrosilylation of aldehydes

Dalton Transactions (Cambridge, England : 2003), 46(14), 4609–4616.

By: D. Perez n, J. Smeltz n, R. Sommer n, P. Boyle n & E. Ison n

topics (OpenAlex): Organoboron and organosilicon chemistry; Asymmetric Hydrogenation and Catalysis; Catalytic Cross-Coupling Reactions
TL;DR: The catalytic efficiency for the hydrosilylation reaction of aldehydes using 4a has been demonstrated to be significantly more active than rhenium catalysts previously reported in the literature and the data suggest that electron-withdrawing substituents at the diamido amine ligand increase the catalysttic efficiency of the complexes. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 journal article

Dramatic Increase in the Rate of Olefin Insertion by Coordination of Lewis Acids to the Oxo Ligand in Oxorhenium(V) Hydrides

ORGANOMETALLICS, 36(10), 2042–2051.

By: N. Lambic n, C. Brown n, R. Sommer n & E. Ison n

topics (OpenAlex): Asymmetric Hydrogenation and Catalysis; Organometallic Complex Synthesis and Catalysis; Metalloenzymes and iron-sulfur proteins
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Heterospin biradicals provide insight into molecular conductance and rectification

Chemical Science, 8(8), 5408–5415.

topics (OpenAlex): Molecular Junctions and Nanostructures; Quantum and electron transport phenomena; Organic Electronics and Photovoltaics
TL;DR: Properties of two isomeric triplet ground state biradical molecules, which serve as constant-bias analogs of single-molecule electronic devices, are described and experimental results are compared with transport calculations in a device geometry. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2017 journal article

Novel 5-arylthio-5H-chromenopyridines as a new class of anti-fibrotic agents

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, 27(5), 1129–1135.

By: R. Patil*, A. Ghosh*, P. Cao*, R. Sommer n, K. Grice*, G. Waris*, S. Patil*

author keywords: Chromenopyridines; Multi-component reactions; Liver fibrosis; Hepatitis C; Metal-drug interactions
MeSH headings : Hepacivirus / metabolism; Hepatitis C / complications; Humans; Liver Cirrhosis / etiology; Liver Cirrhosis / prevention & control; Pyrimidines / pharmacology; Viral Nonstructural Proteins / antagonists & inhibitors; Viral Nonstructural Proteins / genetics; Viral Nonstructural Proteins / metabolism
topics (OpenAlex): Synthesis and biological activity; Synthesis and Characterization of Heterocyclic Compounds; Multicomponent Synthesis of Heterocycles
TL;DR: A focused set of 5-arylthio-5H-chromenopyridines as a new class of anti-fibrotic agents is designed and synthesized and demonstrated that the compounds 3a and 3c show inhibitory activity towards human hepatic stellate cells (LX2) activation at 10μM. (via Semantic Scholar)
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3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Tuning Catalytic Activity in the Hydrogenation of Unactivated Olefins with Transition-Metal Oxos as the Lewis Base Component of Frustrated Lewis Pairs

ACS CATALYSIS, 7(2), 1170–1180.

By: N. Lambic n, R. Sommer n & E. Ison n

author keywords: frustrated Lewis pairs; transition metal oxos; hydrogenation; olefins; catalytic tuning
topics (OpenAlex): Organoboron and organosilicon chemistry; Chemical Synthesis and Reactions; Asymmetric Hydrogenation and Catalysis
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

A Periodic Walk through a Series of First-Row, Oxido-Bridged, Heterodimetallic Molecules: Synthesis and Structure

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2016(7), 1054–1059.

By: E. Goggins n, T. Lekich n, W. Weare n, R. Sommer n, M. Ribeiro* & C. Pinheiro*

author keywords: Heterometallic complexes; Cyclic voltammetry; Donor-acceptor systems; Electronic structure; Jahn-Teller distortion
topics (OpenAlex): Magnetism in coordination complexes; Metal-Organic Frameworks: Synthesis and Applications; Porphyrin and Phthalocyanine Chemistry
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

ChemInform Abstract: Synthesis of 7-Norbornenols via Diels-Alder Cycloadditions of Cyclopentadienol Generated by Decomposition of Ferrocenium Cation.

ChemInform, 47(9), no-no.

By: S. Allen*, T. Lathrop*, S. Patel*, D. Moody*, R. Sommer* & T. Coombs*

topics (OpenAlex): Fluorine in Organic Chemistry; Cyclopropane Reaction Mechanisms; Synthesis and Reactions of Organic Compounds
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Source: ORCID
Added: November 12, 2019

2016 journal article

Effect of the Ancillary Ligand on the Mechanism for CO Migratory Insertion in High-Valent Oxorhenium Complexes

ORGANOMETALLICS, 35(20), 3530–3537.

By: L. Robbins n, C. Lilly n, R. Sommer n & E. Ison n

topics (OpenAlex): CO2 Reduction Techniques and Catalysts; Carbon dioxide utilization in catalysis; Organometallic Complex Synthesis and Catalysis
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Mechanism for the Reaction of CO with Oxorhenium Hydrides: Migratory Insertion of CO into Rhenium Hydride and Formyl Bonds leads to Migration from Rhenium to the Oxo Ligand

ORGANOMETALLICS, 35(17), 3060–3068.

By: N. Lambic n, C. Lilly n, R. Sommer n & E. Ison n

topics (OpenAlex): CO2 Reduction Techniques and Catalysts; Carbon dioxide utilization in catalysis; Catalysts for Methane Reforming
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Nondirected C–H Activation of Arenes with Cp* Ir (III) Acetate Complexes: An Experimental and Computational Study

Nondirected C-H Activation of Arenes with Cp*Ir(III) Acetate Complexes: An Experimental and Computational Study. ORGANOMETALLICS, 35(15), 2435–2445.

By: D. Frasco n, S. Mukherjee n, R. Sommer n, C. Perry n, N. Lambic n, K. Abboud*, E. Jakubikova n, E. Ison n

topics (OpenAlex): Asymmetric Hydrogenation and Catalysis; Oxidative Organic Chemistry Reactions
Sources: Web Of Science, ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 journal article

Reductive Carbonylation of Oxorhenium Hydrides Induced by Lewis Acids

ORGANOMETALLICS, 35(17), 2822–2829.

By: N. Lambic n, C. Lilly n, L. Robbins n, R. Sommer n & E. Ison n

topics (OpenAlex): Carbon dioxide utilization in catalysis; Asymmetric Hydrogenation and Catalysis; Organoboron and organosilicon chemistry
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Structural comparison of suberanilohydroxamic acid (SAHA) and other zinc-enzyme inhibitors bound to a monomeric zinc species

POLYHEDRON, 114, 344–350.

By: P. Cao*, R. Sommer n & K. Grice*

author keywords: Biomimetic zinc; Tris-pyrazolyl borate ligands; Zinc enzyme structural mimics; Zinc binding groups; Hydroxamic acids
topics (OpenAlex): HIV/AIDS drug development and treatment; Histone Deacetylase Inhibitors Research; Peptidase Inhibition and Analysis
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Transition-Metal Oxos as the Lewis Basic Component of Frustrated Lewis Pairs

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 138(14), 4832–4842.

By: N. Lambic n, R. Sommer n & E. Ison n

topics (OpenAlex): Organoboron and organosilicon chemistry; Synthesis and characterization of novel inorganic/organometallic compounds; Chemical Synthesis and Reactions
TL;DR: It is demonstrated for the first time that the incorporation of a transition-metal oxo in a frustrated Lewis pair can have a synergistic effect and results in enhanced catalytic activity at olefin hydrogenation. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

ChemInform Abstract: Crystalline and Liquid Structure of Zinc Chloride Trihydrate: A Unique Ionic Liquid.

ChemInform, 46(16), no-no.

By: R. Wilcox*, B. Losey*, J. Folmer*, J. Martin*, M. Zeller* & R. Sommer*

topics (OpenAlex): Ionic liquids properties and applications; Crystallization and Solubility Studies; Chemical and Physical Properties in Aqueous Solutions
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6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: November 12, 2019

2015 journal article

Crystalline and Liquid Structure of Zinc Chloride Trihydrate: A Unique Ionic Liquid

Inorganic Chemistry, 54(3), 1109–1119.

By: R. Wilcox n, B. Losey n, J. Folmer n, J. Martin n, M. Zeller* & R. Sommer n

topics (OpenAlex): Ionic liquids properties and applications; Crystallization and Solubility Studies; Chemical and Physical Properties in Aqueous Solutions
TL;DR: The water/ZnCl(2) phase diagram in the vicinity of the 75 mol % water composition is reported, demonstrating the existence of a congruently melting phase and a novel nonpolar, hydrogen-bonding, ionic liquid solvent. (via Semantic Scholar)
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6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2015 journal article

Determining the Conformational Landscape of a and pi Coupling Using para-Phenylene and "Aviram-Ratner" Bridges

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137(29), 9222–9225.

By: D. Stasiw n, J. Zhang n, G. Wang n, R. Dangi*, B. Stein*, D. Shultz n, M. Kirk*, L. Wojtas*, R. Sommer n

topics (OpenAlex): Magnetism in coordination complexes; Molecular Junctions and Nanostructures; Porphyrin and Phthalocyanine Chemistry
TL;DR: The torsional dependence of donor-bridge-acceptor (D-B-A) electronic coupling matrix elements and the pairwise exchange interactions are further illuminated in three-dimensional, "Ramachandran-type" plots that relate D-B and B-A torsions to both electronic and exchange couplings. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Elaboration of an unexplored substitution site in synthetic bacteriochlorins

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 19(7), 887–902.

By: N. Zhang n, K. Reddy n, J. Jiang n, M. Taniguchi n, R. Sommer n & J. Lindsey n

Contributors: N. Zhang n, K. Reddy n, J. Jiang n, M. Taniguchi n, R. Sommer n & J. Lindsey n

author keywords: hydroporphyrin; dioxepine; chlorophyllone; bacteriochlorophyllone; auxochrome; artificial photosynthesis
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photosynthetic Processes and Mechanisms; Photodynamic Therapy Research Studies
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Ferromagnetic coupling in d(1)-d(3) linear oxido-bridged heterometallic complexes: ground-state models of metal-to-metal charge transfer excited states

DALTON TRANSACTIONS, 44(43), 18937–18944.

By: T. Huang n, X. Wu n, X. Song n, H. Xu n, T. Smirnova n, W. Weare n, R. Sommer n

topics (OpenAlex): Magnetism in coordination complexes; Metal-Catalyzed Oxygenation Mechanisms; Lanthanide and Transition Metal Complexes
TL;DR: A model that links either ferromagnetic or antiferromagentic exchange coupling with long excited state lifetimes in metal-to-metal charge transfer (MMCT) chromophores is proposed. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Intramolecular C-H activation by air-stable Pt(II) phosphite complexes

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 799-800, 201–207.

By: K. Grice*, J. Kositarut*, A. Lawando* & R. Sommer n

author keywords: Organoplatinum(II) complexes; Phosphite ligands; X-ray crystallography; Cyclometallation
topics (OpenAlex): Organometallic Complex Synthesis and Catalysis; Asymmetric Hydrogenation and Catalysis; Catalytic Alkyne Reactions
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Long-Lived LMCT in a d(0) Vanadium(V) Complex by Internal Conversion to a State of 3d(xy) Character

JOURNAL OF PHYSICAL CHEMISTRY C, 119(30), 17029–17038.

By: S. Choing*, A. Francis n, G. Clendenning*, M. Schuurman*, R. Sommer n, I. Tamblyn*, W. Weare n, T. Cuk*

topics (OpenAlex): Magnetism in coordination complexes; Porphyrin and Phthalocyanine Chemistry; Metal-Catalyzed Oxygenation Mechanisms
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Oxyfunctionalization with Cp*Ir-III(NHC)(Me)(CI) with O-2: Identification of a Rare Bimetallic Ir-IV mu-Oxo Intermediate

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137(10), 3574–3584.

By: M. Lehman n, D. Pahls*, J. Meredith*, R. Sommer n, D. Heinekey*, T. Cundari*, E. Ison n

topics (OpenAlex): N-Heterocyclic Carbenes in Organic and Inorganic Chemistry; Magnetism in coordination complexes; Organometallic Complex Synthesis and Catalysis
TL;DR: Isotope labeling studies confirmed the origin of the methyl group in the methanol product is the iridium-methyl bond in the [Cp*Ir(NHC)Me(CD2Cl2)][BAr(F)4] starting material, and DFT and MCSCF calculations reveal several important features of the electronic structure of 3. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Self-Assembly of n-Alkyl-and Aryl-Side Chain Ureas and Their Derivatives as Evidenced by SEM and X-ray Analysis

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2015(34), 7511–7518.

By: O. Kulikov*, D. Siriwardane*, G. McCandless*, C. Barnes*, Y. Sevryugina*, J. DeSousa*, J. Wu*, R. Sommer n, B. Novak*

author keywords: Supramolecular chemistry; Self-assembly; Gelation; Nanofibers; Ureas
topics (OpenAlex): Luminescence and Fluorescent Materials; Supramolecular Self-Assembly in Materials; Covalent Organic Framework Applications
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Solvate Structures and Computational/Spectroscopic Characterization of LiPF6 Electrolytes

The Journal of Physical Chemistry C, 119(16), 8492–8500.

By: S. Han n, S. Yun n, O. Borodin*, D. Seo n, R. Sommer n, V. Young*, W. Henderson n

topics (OpenAlex): Solid-state spectroscopy and crystallography; Ionic liquids properties and applications; Chemical and Physical Properties in Aqueous Solutions
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Source: ORCID
Added: November 12, 2019

2015 journal article

Synthesis of 7-norbornenols via Diels-Alder cycloadditions of cyclopentadienol generated by decomposition of ferrocenium cation

TETRAHEDRON LETTERS, 56(44), 6038–6042.

By: S. Allen*, T. Lathrop*, S. Patel*, D. Moody*, R. Sommer n & T. Coombs*

author keywords: Cyclopentadienol; Norbornenol; Ferrocenium; Ferrocene cation; Diels-Alder reaction
topics (OpenAlex): Fluorine in Organic Chemistry; Asymmetric Synthesis and Catalysis; Synthetic Organic Chemistry Methods
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Synthesis of Unsupported d(1)-d(x) dx Oxido-Bridged Heterobimetallic Complexes Containing V-IV: A New Direction for Metal-to-Metal Charge Transfer

INORGANIC CHEMISTRY, 54(11), 5322–5328.

By: X. Wu n, T. Huang n, T. Lekich n, R. Sommer n & W. Weare n

topics (OpenAlex): Magnetism in coordination complexes; Metal-Catalyzed Oxygenation Mechanisms; Metal complexes synthesis and properties
TL;DR: This work reports the first report of visible-light induced MMCT in a heterobimetallic oxido-bridged molecule where the electron originates on a d(1) metal center. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Synthesis, Structure, and Thermal Instability of the Cu2Ta4O11 Phase

CRYSTAL GROWTH & DESIGN, 15(2), 552–558.

By: N. King n, R. Sommer n, P. Watkins-Curry*, J. Chan* & P. Maggard n

topics (OpenAlex): Electronic and Structural Properties of Oxides; Advanced Condensed Matter Physics; Microwave Dielectric Ceramics Synthesis
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

ortho-C–H Activation of Thiobenzoic Acid: Synthesis, Characterization, and Reactivity of Iridium Thiobenzoate Complexes

Organometallics, 34(1), 275–279.

By: D. Frasco n, R. Sommer n & E. Ison n

topics (OpenAlex): Sulfur-Based Synthesis Techniques; Synthesis and Catalytic Reactions
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

An unsupported metal hydroxide for the design of molecular mu-oxo bridged heterobimetallic complexes

CHEMICAL COMMUNICATIONS, 50(17), 2139–2141.

By: A. Falzone n, J. Nguyen n, W. Weare n, R. Sommer n & P. Boyle*

MeSH headings : Chromium / chemistry; Coordination Complexes / chemical synthesis; Coordination Complexes / chemistry; Crystallography, X-Ray; Electrochemical Techniques; Hydroxides / chemistry; Molecular Conformation; Oxidation-Reduction; Oxygen / chemistry; Solar Energy; Titanium / chemistry
topics (OpenAlex): Metal-Catalyzed Oxygenation Mechanisms; Organometallic Complex Synthesis and Catalysis; Magnetism in coordination complexes
TL;DR: The terminal hydroxide is used to synthesize the first example of a heterobimetallic Ti-O-Cr compound containing an unsupported μ-oxo bridge and exhibits a new absorbance at 288 nm (4.32 eV), which is assigned to a metal-to-metal charge transfer (MMCT) transition. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

An unsupported metal hydroxide for the design of molecular μ-oxo bridged heterobimetallic complexes [Erratum to document cited in CA160:321591]

Chemical Communications, 50(67), 9608.

By: A. Falzone, J. Nguyen, W. Weare, R. Sommer & P. Boyle

Source: NC State University Libraries
Added: December 24, 2020

2014 journal article

Anion Coordination Interactions in Solvates with the Lithium Salts LiDCTA and LiTDI

JOURNAL OF PHYSICAL CHEMISTRY C, 118(15), 7781–7787.

By: D. McOwen*, S. Delp, E. Paillard*, C. Herriot, S. Han*, P. Boyle*, R. Sommer*, W. Henderson*

topics (OpenAlex): Ionic liquids properties and applications; Advanced Battery Materials and Technologies; Solid-state spectroscopy and crystallography
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Light-Driven Hydrogen Evolution by BODIPY-Sensitized Cobaloxime Catalysts

INORGANIC CHEMISTRY, 53(9), 4527–4534.

By: J. Bartelmess n, A. Francis n, K. El Roz n, F. Castellano n, W. Weare n & R. Sommer n

Contributors: J. Bartelmess n, A. Francis n, K. El Roz n, F. Castellano n, W. Weare n & R. Sommer n

topics (OpenAlex): Advanced Photocatalysis Techniques; Metalloenzymes and iron-sulfur proteins; Porphyrin Metabolism and Disorders
TL;DR: It is concluded that accessing the photoexcited triplet state of the BODIPY chromophore by introducing heavy atoms is necessary for efficient electron transfer in this system, enabling catalytic hydrogen generation. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Mono-Oxido-Bridged Heterobimetallic and Heterotrimetallic Compounds Containing Titanium(IV) and Chromium(III)

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2014(33), 5662–5674.

By: T. Huang n, X. Wu n, W. Weare n & R. Sommer n

author keywords: Chromium; Titanium; Heterometallic complexes; Bridging ligands; Porphyrinoids
topics (OpenAlex): Magnetism in coordination complexes; Porphyrin and Phthalocyanine Chemistry; Metal-Catalyzed Oxygenation Mechanisms
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Oxyfunctionalization with Cp*Ir-III(NHC)(Me)L Complexes

ORGANOMETALLICS, 33(19), 5081–5084.

By: M. Lehman n, P. Boyle n, R. Sommer n & E. Ison n

topics (OpenAlex): Organometallic Complex Synthesis and Catalysis; Asymmetric Hydrogenation and Catalysis; Metal-Catalyzed Oxygenation Mechanisms
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UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Regioselective β-pyrrolic electrophilic substitution of hydrodipyrrin–dialkylboron complexes facilitates access to synthetic models for chlorophyll f

New Journal of Chemistry, 38(4), 1717.

By: M. Liu n, M. Ptaszek n, O. Mass n, D. Minkler n, R. Sommer n, J. Bhaumik n, J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photosynthetic Processes and Mechanisms; Photodynamic Therapy Research Studies
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UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: ORCID, NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018

2014 journal article

Solvate Structures and Spectroscopic Characterization of LiTFSI Electrolytes

JOURNAL OF PHYSICAL CHEMISTRY B, 118(47), 13601–13608.

By: D. Seo n, P. Boyle n, R. Sommer n, J. Daubert n, O. Borodin* & W. Henderson n

topics (OpenAlex): Advanced Battery Materials and Technologies; Ionic liquids properties and applications; Conducting polymers and applications
TL;DR: It is found, however, that significant difficulties may be encountered when identifying the distributions of specific forms of TFSI(-) anion coordination present in liquid electrolyte mixtures due to the wide range of T FS(-)···Li(+) cation interactions possible and the overlap of the corresponding spectroscopic data signatures. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Superexchange Contributions to Distance Dependence of Electron Transfer/Transport: Exchange and Electronic Coupling in Oligo(para-Phenylene)- and Oligo(2,5-Thiophene)-Bridged Donor-Bridge-Acceptor Biradical Complexes [Erratum to document cited in CA159:719548]

Correction to “Superexchange Contributions to Distance Dependence of Electron Transfer/Transport: Exchange and Electronic Coupling in Oligo(para-Phenylene)- and Oligo(2,5-Thiophene)-Bridged Donor–Bridge–Acceptor Biradical Complexes.” Journal of the American Chemical Society, 136(10), 4089–4089.

By: M. Kirk, D. Shultz*, D. Stasiw*, G. Lewis, G. Wang, C. Brannen, R. Sommer*, P. Boyle

topics (OpenAlex): Photochemistry and Electron Transfer Studies; Molecular Junctions and Nanostructures; Electrochemical Analysis and Applications
Sources: Web Of Science, NC State University Libraries, Crossref
Added: December 24, 2020

2013 journal article

Superexchange Contributions to Distance Dependence of Electron Transfer/Transport: Exchange and Electronic Coupling in Oligo(para-Phenylene)- and Oligo(2,5-Thiophene)-Bridged Donor–Bridge–Acceptor Biradical Complexes

Journal of the American Chemical Society, 135(45), 17144–17154.

By: M. Kirk*, D. Shultz n, D. Stasiw n, G. Lewis n, G. Wang n, C. Brannen n, R. Sommer n, P. Boyle n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photochemistry and Electron Transfer Studies; Magnetism in coordination complexes
TL;DR: The work provides a direct measurement of superexchange contributions to β, with no contribution from incoherent hopping, and offers unique insight into the intrinsic molecular factors that govern H(DA) and β, which are important for understanding the electronic origin of electron transfer and electron transport mediated by molecular bridges. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2013 journal article

Synthesis, characterization and structural investigation of novel meso-pyridyl BODIPY–cobaloxime complexes

Dalton Transactions, 42(41), 14883.

By: J. Bartelmess n, W. Weare n & R. Sommer n

topics (OpenAlex): Porphyrin Metabolism and Disorders; Porphyrin and Phthalocyanine Chemistry; Metalloenzymes and iron-sulfur proteins
TL;DR: It is found that the synthesis of four boron-dipyrromethene (BODIPY) sensitized cobaloxime complexes as structural models of light-driven proton reduction catalysts produce sub-stoichiometric quantities of hydrogen under standard photon-driven hydrogen evolving conditions. (via Semantic Scholar)
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Source: ORCID
Added: November 12, 2019

2010 journal article

A growing family: New structures of coordination polymers containing adamantane-shaped phosphorus–nitrogen cage ligands

Inorganica Chimica Acta, 364(1), 261–265.

By: A. Spore*, N. Rizzo*, B. Noll* & R. Sommer*

author keywords: Coordination polymers; Phosphorus-nitrogen; Copper
topics (OpenAlex): Metal complexes synthesis and properties; Magnetism in coordination complexes; Organometallic Complex Synthesis and Catalysis
Source: ORCID
Added: November 12, 2019

Employment

Updated: July 12th, 2024 07:44

2024 - present

Bristol Myers Squibb New Brunswick, New Jersey, US
Principal Scientist Material Science and Engineering

2021 - present

Bristol-Myers Squibb New Brunswick, NJ, US
Senior Research Scientist

2018 - 2021

North Carolina State University Raleigh, NC, US
Senior Research Scholar Molecular Education, Technology, and Research Innovation Center

2013 - 2018

North Carolina State University Raleigh, NC, US
Director, X-ray Crystallography Facility Chemistry

2004 - 2012

DePaul University - Lincoln Park Campus Chicago, IL, US
Assistant Professor Chemistry

2003 - 2004

Lake Forest College Lake Forest, IL, US
Instructor

2002 - 2003

Middlebury College Middlebury, VT, US
Visiting Assistant Professor

2000 - 2001

University of Delaware Newark, DE, US
Postdoctoral Research Associate Chemistry

Education

Updated: July 19th, 2019 15:55

1993 - 1999

University of Colorado Boulder Boulder, CO, US
Ph.D. Inorganic Chemistry

Funding History

Funding history based on the linked ORCID record. Updated: July 19th, 2019 16:03

grant May 1, 2019 - May 1, 2020
X-ray Diffractometer for Small-molecule crystallography
North Carolina Biotechnology Center

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