The Nephelauxetic Effect — Calculation and Accuracy of the Interelectronic Repulsion Parameters
Open Access
- 1 January 1972
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 27 (1) , 1-6
- https://doi.org/10.1515/znb-1972-0102
Abstract
Expressions are reviewed which may be used to determine 10 Dq and B from the spin-allowed bands in the optical spectra of d3 and d7 electron systems within octahedral and tetrahedral sym metry. Application to low-temperature single crystal spectra demonstrates that (i) the semi-empirical ligand field theory reproduces transition energies with sufficient accuracy; (ii) differences in the values of 10 Dq and B observed with different fitting methods may be attributed to the inaccuracy of experimental data; (iii) there are generally valid values of B35 and β35 for each complex ion.Keywords
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