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Vibrational energy levels of formaldehyde

Journal Article · · J. Chem. Phys.; (United States)
DOI:https://doi.org/10.1063/1.448858· OSTI ID:5886703
Vibrational energies for nonrotating H/sub 2/CO and D/sub 2/CO are calculated using unadjusted and adjusted ab initio quartic force fields in normal mass-weighted coordinates. Converged energies are obtained using uncoupled anharmonic oscillator and vibrational self-consistent field basis sets and are compared with experiment. Strong ''Fermi-like'' resonances are found involving the CH symmetric and antisymmetric stretches.
Research Organization:
Department of Chemistry, Illinois Institute of Technology, Chicago, Illinois 60616
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5886703
Journal Information:
J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 82:9; ISSN JCPSA
Country of Publication:
United States
Language:
English