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Nonadiabatic calculations of ultraviolet absorption cross section of sulfur monoxide: isotopic effects on the photodissociation reaction

Ultraviolet absorption cross sections of the main and substituted sulfur monoxide (SO) isotopologues were calculated using R-Matrix expansion technique. Energies, transition dipole moments, and nonadiabatic coupling matrix elements were calculated at MRCI/AV6Z level. The calculated absorption cross...

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Published in:The Journal of chemical physics 2014-01, Vol.140 (4), p.044319-044319
Main Authors: Danielache, Sebastian O, Tomoya, Suzuki, Kondorsky, Alexey, Tokue, Ikuo, Nanbu, Shinkoh
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Language:English
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cited_by cdi_FETCH-LOGICAL-c407t-9b765e5fbe16a4aa8b9c31c0d7e6a7eac6350e29a649c29f30fa729021b64eb43
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creator Danielache, Sebastian O
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description Ultraviolet absorption cross sections of the main and substituted sulfur monoxide (SO) isotopologues were calculated using R-Matrix expansion technique. Energies, transition dipole moments, and nonadiabatic coupling matrix elements were calculated at MRCI/AV6Z level. The calculated absorption cross section of (32)S(16)O was compared with experimental spectrum; the spectral feature and the absolute value of photoabsorption cross sections are in good agreement. Our calculation predicts a long lived photoexcited SO* species which causes large non-mass dependent isotopic effects depending on the excitation energy in the ultraviolet region.
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subjects ABSORPTION
Absorption cross sections
COUPLING
CROSS SECTIONS
DIPOLE MOMENTS
DISSOCIATION
EXCITATION
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
ISOTOPE EFFECTS
Mathematical analysis
MATRIX ELEMENTS
Photoabsorption
Photodissociation
PHOTOLYSIS
R MATRIX
SPECTRA
SULFUR
Sulfur oxides
Ultraviolet absorption
title Nonadiabatic calculations of ultraviolet absorption cross section of sulfur monoxide: isotopic effects on the photodissociation reaction
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