Relation between effective atomic charge and chemical shifts in X-ray absorption spectra of transition-metal compounds

Sarode, P. R. ; Ramasesha, S. ; Madhusudan, W. H. ; Rao, C. N. R. (1979) Relation between effective atomic charge and chemical shifts in X-ray absorption spectra of transition-metal compounds Journal of Physics C: Solid State Physics, 12 (12). pp. 2439-2445. ISSN 0022-3719

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Official URL: http://iopscience.iop.org/0022-3719/12/12/029

Related URL: http://dx.doi.org/10.1088/0022-3719/12/12/029

Abstract

Chemical shifts of K absorption discontinuities, Delta E, of several manganese, iron and cobalt oxides with the metal in the formal oxidation states between +2 and +4, have been measured. These data, together with data in the literature on other compounds of these metals, can be fitted into the expression Delta E=aq+bq2, where q is the effective atomic charge on the metal. Theoretical considerations also support this functional relationship between Delta E and q.

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