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Published October 15, 1969 | public
Journal Article

The theoretical description of the (ππ*) excited states of ethylene

Abstract

It is shown that the excited singlet (ππ*) state (V) of planar ethylene in both the Hartree-Fock and π-electron configuration interaction descriptions is quite diffuse. The extent of the π*-orbital in the π-direction as measured by 〈z2〉 is 42 a2o in the V state as compared to 2.7 a2o in the corresponding triplet state (T). In addition, we find that the Hartree-Fock vertical excitation energy for the V state is 7.42 eV as compared to the experimental value of 7.6 eV.

Additional Information

© 1969 Published by Elsevier B.V. Received 19 August 1969. Partially supported by a grant (GP-6965) from the National Science Foundation. Arthur Amos Noyes Laboratory of Chemical Physics Contribution No. 3924.

Additional details

Created:
August 19, 2023
Modified:
October 18, 2023