Molecular properties of excited electronic states: The ã 3A″ and à 1A″ states of formaldehyde

Barbara J. Garrison, Henry F. Schaefer, William A. Lester

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Ab initio self-consistent-field wavefunctions and molecular properties have been calculated for the three lowest electronic states of H2CO. For the ground state, a variety of basis sets were used, the largest being an uncontracted Gaussian basis: C(11s 7p 2d), O(11s 7p 2d), H(6s 1p). For the excited states, the above basis was contracted to C(7s 5p 2d), O(7s 5p 2d), H(4s 1p). Ground state molecular properties agree well with the earlier theoretical study of Neumann and Moskowitz, and with available experimental data. The z components (along the CO bond axis) of the excited state dipole moments have been measured, and the present a priori predictions reproduce experiment rather closely. Other properties reported include quadrupole moments, octupole moments, and electric field gradients.

Original languageEnglish (US)
Pages (from-to)3039-3042
Number of pages4
JournalThe Journal of chemical physics
Issue number8
StatePublished - 1974

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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