Principal crystal and molecular paramagnetic susceptibilities of bis-(N-isopropylsalicylideneiminato)nickel(II)
- 1 January 1977
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 2,p. 152-159
- https://doi.org/10.1039/dt9770000152
Abstract
Principal crystal paramagnetic susceptibilities of the title complex throughout the range 20–295 K are reported. A new compact Faraday balance for the measurement of crystal magnetic properties in this temperature range is described. The experimental susceptibilities, together with the crystal transmission spectrum, have been fitted by a quantum-mechanical model in which no fictitious symmetry higher than shown in the true molecular geometry is presumed. The ligand field is parameterized by the angular-overlap model. Parameter values for σ and π bonding and for spin–orbit and orbital-reduction effects have been determined which reproduce the experimental susceptibilities to within ±2% throughout the temperature range. The calculated orientations of the principal molecular susceptibilities are compared with the co-ordination geometry of the complex.Keywords
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