A VIBRATIONAL MODEL FOR THE COORDINATE BOND IN SULFOXIDE COMPLEXES
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Date
1971
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Publisher
Ohio State University
Abstract
Effective force constants for the M-O and S-O stretching vibrations of a number of quasi-oetahedral dimethyl-and tetramethylene-sulfoxide complexes have been derived using a 13-atomic model of S. symmetry for the complex. With the aid of certain approximations and assumptions, these force constants have been analyzed in terms of ion: dipole, ion:induced-dipole, and covalent interactions. The covalent contribution can be related to the number of vacancies in the 3d subshell of the coordinating ion. Results suggest that the $t_{2g}$ orbitals are about 80 as effective as $e_{g}$ orbitals in contributing to the M-O force constant.
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Author Institution: Department of Chemistry, University of New Hampshire