Chemistry - 1967 Buenker, R. J., Peyerimhoff, S. D., & Whitten, J. L. (1967). Theoretical Analysis of the Effects of Hydrogenation in Hydrocarbons: Accurate SCF MO Wavefunctions for C2H2, C2H4, and C2H6. The Journal of Chemical Physics, 46(6), 2029–2039. https://doi.org/10.1063/1.1840998 Peyerimhoff, S. D., Buenker, R. J., & Whitten, J. L. (1967). Study of Linear Stretch in Polyatomic Molecules: Accurate SCF MO Wavefunctions for CO2 and BeF2. The Journal of Chemical Physics, 46(5), 1707–1716. https://doi.org/10.1063/1.1840925