The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces.

The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces. Research Abstract Details 

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The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces. Abstract Text:

Accurate infrared spectra of the two hydroxycarbene isomers are computed by diagonalizing the Watson Hamiltonian including up to four mode couplings using full dimensional potential energy and dipole moment surfaces calculated at the CCSD(T)/cc-pVTZ (frozen core) and CCSD6-311G(**) (all electrons correlated) levels, respectively. Anharmonic corrections are found to be very important for these elusive higher-energy isomers of formaldehyde. Both the energy levels and intensities of stretching fundamentals and all overtone transitions are strongly affected by anharmonic couplings between the modes. The results for trans-HCOHHCOD are in excellent agreement with the recently reported IR spectra, which validates our predictions for the cis-isomers.

The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces. Publishing Authors By Initials

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The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of chemical physics

VOLUME: 128

Page Numbers: 204310

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ISSN: 0021-9606

DAY: 28

MONTH: May

YEAR: 2008

The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces. Information

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LANGUAGE: eng

NlmUniqueID: 375360

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Grant and Affiliation Information for The theoretical prediction of infrared spectra of trans- and cis-hydroxycarbene calculated using full dimensional ab initio potential energy and dipole moment surfaces.

AFFILIATION: Department of Chemistry, University of Southern California, Los Angeles, California 90089-0482, USAC.L. Emerson Center for Scientific Computation, Department of Chemistry, Emory University, Atlanta, Georgia 30322, USA.

Country: United States

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MEDLINETA: J Chem Phys

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