Abstract
From an established MO treatment of six-co-ordinate fluoride octahedral metal complexes, covalency factors are defined in terms of metal and ligand orbital admixture coefficients and metal-to-ligand overlap integrals. These covalency factors are related to experimental g-values, the hyperfine splitting constant, and 19F superhyperfine splitting constants from e.s.r. measurements. These covalency factors and the electron spin density transfer coefficients (to fluorine) for antibonding π orbitals of the t2g3 configuration were approximately ca. 0·1–0·2 and were, in general, exceeded by the corresponding covalency factors and coefficients for the t2g3eg2 and t2g6eg2 configuration's antibonding σ orbitals.
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More From: Journal of the Chemical Society A: Inorganic, Physical, Theoretical
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