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Combining rival π-space descriptions of O3 and of SO2.
- Source :
- International Journal of Quantum Chemistry; May2016, Vol. 116 Issue 9, p718-730, 14p
- Publication Year :
- 2016
-
Abstract
- Two rival solutions have emerged from applications of spin-coupled (SC) theory, also known as the full-generalized valence bond (full-GVB) approach, to the π system of O<subscript>3</subscript>. The lowest solution (SC<subscript> d</subscript>) corresponds to significant diradical character but there is a second solution (SC<subscript> c</subscript>) which lies fairly close in energy. Combining these two descriptions, it turns out that both of them make significant contributions, with neither being dominant. The situation is entirely different for SO<subscript>2</subscript>, with the SC<subscript> c</subscript> description being overwhelmingly dominant over SC<subscript> d</subscript>. It can be concluded from an examination of various combinations of rival π-space descriptions for both molecules that neither of the SC<subscript> c</subscript> nor SC<subscript> d</subscript> solutions provides a very satisfactory description on its own of the π system in O<subscript>3</subscript>, but that SO<subscript>2</subscript> is already fairly well described by SC<subscript> c</subscript> before the explicit incorporation of any SC<subscript> d</subscript> character. © 2016 Wiley Periodicals, Inc. [ABSTRACT FROM AUTHOR]
- Subjects :
- SULFUR dioxide
OZONE
BIRADICALS
VALENCE bonds
PERIODICALS
Subjects
Details
- Language :
- English
- ISSN :
- 00207608
- Volume :
- 116
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- International Journal of Quantum Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 113900064
- Full Text :
- https://doi.org/10.1002/qua.25094