The crystal-field energy levels of dibarium copper(II) formate tetrahydrate and copper(II) formate tetrahydrate
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1516-1519
- https://doi.org/10.1039/j19680001516
Abstract
In contrast to previous reports, the e.s.r. and polarised electronic spectrum of Ba2Cu(HCO2)6·4H2O show the presence of a small rhombic perturbation (α= 2·5°). The order of the one-electron orbital energies is dx2–y2 > dz2 > dxy > dxz > dyz. The polarised spectrum of Cu(HCO2)2·4H2O is very similar and leads to the same energy order, except that dxz and dyz are degenerate. From the g-factors and the electronic energies, values of the anisotropic spin-orbit reduction parameters are obtained which suggest that these coefficients are not only dependent upon electron delocalisation.Keywords
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