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Molecular and all-solid DFT studies of the magnetic and chemical bonding properties within KM[Cr(CN)6] (M=V, Ni) complexes

Kabalan, L., Matar, S. F., Desplanches, C., Létard, J. F. and Zakhour, M. 2008. Molecular and all-solid DFT studies of the magnetic and chemical bonding properties within KM[Cr(CN)6] (M=V, Ni) complexes. Chemical Physics 352 (1-3) , pp. 85-91. 10.1016/j.chemphys.2008.05.014

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Abstract

A study at both the molecular and extended solid levels in the framework of DFT is carried out for KM[Cr(CN)6] (M = V, Ni). From molecular calculations, the exchange parameters J are obtained, pointing to the expected magnetic ground states, i.e., antiferromagnetic for M = V with J = − 296.5 cm−1 and ferromagnetic for M = Ni with J = +40.5 cm−1. From solid state computations the same ground states and J magnitudes are confirmed from energy differences. Furthermore, an analysis of the site projected density of states and of the chemical bonding is developed in which the cyanide ion linkage is analyzed addressing some isomerism aspects.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Elsevier
ISSN: 0301-0104
Date of Acceptance: 21 May 2008
Last Modified: 17 Mar 2021 12:00
URI: http://orca.cardiff.ac.uk/id/eprint/139179

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