Algebraic approach to molecular rotation-vibration spectra. II. Triatomic molecules
Journal Article
·
· J. Chem. Phys.; (United States)
The algebraic approach to molecular rotation-vibration spectra introduced in a previous article is extended from di- to tri- and polyatomic molecules. The spectrum generating algebra appropriate to triatomic molecules U(4)xU(4) is explicitly constructed. Its dynamical symmetries and their relation to rigid, nonrigid, linear, and nonlinear structures are discussed. Applications to the spectra of HCN, CO/sub 2/, and H/sup +//sub 3/ are considered. In particular, it is shown that the algebraic description can account for the Fermi resonances occurring in CO/sub 2/. Some remarks are made on the spectrum generating algebras appropriate to polyatomic molecules.
- Research Organization:
- Kernfysisch Versneller Instituut, Rijksuniversiteit Groningen, The Netherlands
- OSTI ID:
- 5518210
- Journal Information:
- J. Chem. Phys.; (United States), Vol. 79:6
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
CARBON DIOXIDE
FERMI RESONANCE
INFRARED SPECTRA
HYDROCYANIC ACID
HYDROGEN IONS
MOLECULAR IONS
ROTATIONAL STATES
U-4 GROUPS
VIBRATIONAL STATES
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CHARGED PARTICLES
CYANIDES
ENERGY LEVELS
EXCITED STATES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
IONS
LIE GROUPS
OXIDES
OXYGEN COMPOUNDS
RESONANCE
SPECTRA
SYMMETRY GROUPS
U GROUPS
640302* - Atomic
Molecular & Chemical Physics- Atomic & Molecular Properties & Theory
CARBON DIOXIDE
FERMI RESONANCE
INFRARED SPECTRA
HYDROCYANIC ACID
HYDROGEN IONS
MOLECULAR IONS
ROTATIONAL STATES
U-4 GROUPS
VIBRATIONAL STATES
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CHARGED PARTICLES
CYANIDES
ENERGY LEVELS
EXCITED STATES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
IONS
LIE GROUPS
OXIDES
OXYGEN COMPOUNDS
RESONANCE
SPECTRA
SYMMETRY GROUPS
U GROUPS
640302* - Atomic
Molecular & Chemical Physics- Atomic & Molecular Properties & Theory