On the tetragonal distortion of octahedral systems in an Egelectronic state
- 1 January 1965
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 9 (1) , 33-42
- https://doi.org/10.1080/00268976500100051
Abstract
The tetragonal distortion of octahedral (ML6) systems having two-fold orbital degeneracy is discussed on a model which takes into account covalency and the essential features of the Jahn-Teller effects. Theoretically both elongation and compression along the tetragonal axis are possible, depending on the sign of the coefficients involved in the first and the second-order terms. Covalency effects seem to influence this fact. A qualitative discussion of these results is presented.Keywords
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