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Proceedings Paper

Reduced effective Hamiltonian for global fitting of C2H2 ro-vibrational lines
Author(s): Valery I. Perevalov; E. I. Lobodenko; Jean-Luc Teffo
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Paper Abstract

An effective Hamiltonian describing globally all vibrational-rotational energy levels of C2H2 molecule in the ground electronic state has been written up to fourth order in Amat-Nielsen ordering scheme using symmetry arguments. This Hamiltonian contains all resonance interaction terms within polyad scheme discussed by M. E. Kellman [J. Chem. Phys. 95, 8671 (1991)]. D. M. Jonas et al [J. Chem. Phys. 99, 7350 (1993)]. M. Abbouti Temsamani and M. Herman [J. Chem. Phys. 103, 5931 (1995)]. The reduction of this effective Hamiltonian by means of unitary transformations has been performed.

Paper Details

Date Published: 3 March 1997
PDF: 7 pages
Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); doi: 10.1117/12.267753
Show Author Affiliations
Valery I. Perevalov, Institute of Atmospheric Optics (Russia)
E. I. Lobodenko, Institute of Atmospheric Optics (Russia)
Jean-Luc Teffo, Univ. Pierre et Marie Curie (France)

Published in SPIE Proceedings Vol. 3090:
12th Symposium and School on High-Resolution Molecular Spectroscopy
Leonid N. Sinitsa; Yurii N. Ponomarev; Valery I. Perevalov, Editor(s)

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