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

Lara Kabalan, S. F. Matar, C. Desplanches, J. F. Létard, M. Zakhour

Research output: Contribution to journalArticle

4 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)85-91
Number of pages7
JournalChemical Physics
Volume352
Issue number1-3
DOIs
Publication statusPublished - 3 Sep 2008
Externally publishedYes

Fingerprint

Discrete Fourier transforms
Ground state
ground state
Cyanides
cyanides
linkages
Ions
solid state
ions
energy

Keywords

  • Antiferromagnets
  • ASW, Gaussian and VASP methods
  • DFT
  • Exchange parameters
  • Ferromagnets
  • IR Raman

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

Cite this

Molecular and all-solid DFT studies of the magnetic and chemical bonding properties within KM[Cr(CN)6] (M = V, Ni) complexes. / Kabalan, Lara; Matar, S. F.; Desplanches, C.; Létard, J. F.; Zakhour, M.

In: Chemical Physics, Vol. 352, No. 1-3, 03.09.2008, p. 85-91.

Research output: Contribution to journalArticle

Kabalan, Lara ; Matar, S. F. ; Desplanches, C. ; Létard, J. F. ; Zakhour, M. / Molecular and all-solid DFT studies of the magnetic and chemical bonding properties within KM[Cr(CN)6] (M = V, Ni) complexes. In: Chemical Physics. 2008 ; Vol. 352, No. 1-3. pp. 85-91.
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AU - Zakhour, M.

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AB - 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.

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