The single-crystal ESR and polarized electronic spectra of bis(tripheny1phosphine oxide)cobalt(II) dichloride have been recorded. The effective g values have been found to be highly anisotropic, with g, = 5.67, gz = 3.59, and g3 = 2.16. For the interpretation of these data a completely symmetry-independent ligand field approach to the energies of the electronic levels and to the low-symmetry g tensor has been used. The results have been most satisfactory since the model accounted easily for the high observed anisotropy of the g values. It is proposed that by this model it is possible to rationalize the ESR spectra of low-symmetry high-spin cobalt(I1) complexes
ESR spectra of low-symmetry high-spin cobalt(II) complexes. 2. Pseudotetrahedral dichlorobis(triphenylphosphine oxide)cobalt(II) / A. Bencini;C. Benelli;D. Gatteschi;C. Zanchini. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - STAMPA. - 18:(1979), pp. 2137-2140. [10.1021/ic50198a017]
ESR spectra of low-symmetry high-spin cobalt(II) complexes. 2. Pseudotetrahedral dichlorobis(triphenylphosphine oxide)cobalt(II)
BENCINI, ALESSANDRO;BENELLI, CRISTIANO;GATTESCHI, DANTE;
1979
Abstract
The single-crystal ESR and polarized electronic spectra of bis(tripheny1phosphine oxide)cobalt(II) dichloride have been recorded. The effective g values have been found to be highly anisotropic, with g, = 5.67, gz = 3.59, and g3 = 2.16. For the interpretation of these data a completely symmetry-independent ligand field approach to the energies of the electronic levels and to the low-symmetry g tensor has been used. The results have been most satisfactory since the model accounted easily for the high observed anisotropy of the g values. It is proposed that by this model it is possible to rationalize the ESR spectra of low-symmetry high-spin cobalt(I1) complexesFile | Dimensione | Formato | |
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