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The (X)over-tilde(2)B(1), (A)over-tilde(2)B(2), (B)over-tilde(2)A(1), and (C)over-tilde(2)A(2) states of Cl2O+: ab initio calculations and simulations of the HeI photoelectron spectrum

Record type: Article

CASSCF and QCISD calculations were carried out on the (X) over tilde A(i) stale of Cl2O and the (X) over tilde(2)B(1), (A) over tilde(2)B(2), (B) over tilde(2)A(1), and (C) over tilde A(2) states of Cl2O+ in order to obtain their minimum-energy geometries and harmonic vibrational frequencies. Cl2O+ <-- Cl2O (X) over tilde(1)A(i) vertical and adiabatic ionization energies were also computed at the RCCSD(T)//QCISD level. Spectral simulatians based on thr ab initio results were performed for the first four bnnds of the He I photoelectron spectra of Cl2O, Iterative Franck-Condon analyses were also carried out. Comparison between the simulated and the observed spectra gave, for the first time, experimentally derived geometries, for the (X) over tilde(2)B(1), and (A) over tilde(2)B(2), and (C) over tilde(2)A(2) cationic states. The adiabatic ionization energy position and the vibrational assignments of the Cl2O+ (A) over tilde(2)B(2) <-- Cl2O (X) over tilde(1)A(i) band were revised, based on spectral simulations. which included "hot" bands.

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Citation

Wang, D. C., Lee, E. P. F., Chau, F., Mok, D. K. W. and Dyke, J. M. (2000) The (X)over-tilde(2)B(1), (A)over-tilde(2)B(2), (B)over-tilde(2)A(1), and (C)over-tilde(2)A(2) states of Cl2O+: ab initio calculations and simulations of the HeI photoelectron spectrum Journal of Physical Chemistry A, 104, (21), pp. 4936-4942.

More information

Published date: 1 June 2000
Keywords: photolysis, clo

Identifiers

Local EPrints ID: 18844
URI: http://eprints.soton.ac.uk/id/eprint/18844
ISSN: 1089-5639
PURE UUID: d6469871-5317-42cd-88b0-3ffacfdbcc7d

Catalogue record

Date deposited: 22 Dec 2005
Last modified: 17 Jul 2017 16:34

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Contributors

Author: D. C. Wang
Author: E. P. F. Lee
Author: F. Chau
Author: D. K. W. Mok
Author: J. M. Dyke

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