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The3 A 2g →3 T 1g(F) transition in the spectrum of some oxygen-ligated octahedral nickel(II) species

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Summary

In sodium phosphate glasses, nickel(II) is octahedrally coordinated by the oxygens of the phosphates with Δ0 = 7600 cm−1 and B′ = 920 cm−1. Contrary to the case of many other oxygen-coordinated systems including [Ni(H2O)6]2+ and low alkali borate glasses, the second spin-allowed transition to3 T 1g(F) appears as a single-peaked band well-separated from the spinforbidden transition to1 E g(D). Variation of the glass composition does not change the main features of the spectrum. Dissolving the glasses in water results in a shift of all the bands to higher energies with the second spin-allowed band becoming triple-peaked. This supports Liehr and Ballhausen's explanation of the structure of this band.

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Authors and Affiliations

  1. Department of Science, The American University in Cairo, Cairo, Egypt

    Pakinam M. Askalani & Tarek Genena

Authors
  1. Pakinam M. Askalani
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  2. Tarek Genena
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Part of a thesis submitted by T. Genena in partial fulfillment of the M.Sc. degree in Solid State Science, 1985.

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Askalani, P.M., Genena, T. The3 A 2g →3 T 1g(F) transition in the spectrum of some oxygen-ligated octahedral nickel(II) species. Transition Met Chem 11, 281–282 (1986). https://doi.org/10.1007/BF00620645

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  • DOI: https://doi.org/10.1007/BF00620645

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