Abstract
SACCONI et al.1 have recently reported that preliminary investigations indicate a tetrahedral arrangement of ligands about the nickel atom in the paramagnetic bis-N-isopropyl salicylaldiminato nickel II. This was based on the isomorphism of this compound with the cobalt and zinc analogues, and the large (∼ 7 Å) distance between nickel atoms, which precludes a polymeric octahedral structure such as found for acetylacetonato nickel II (ref. 2), or bis-dimethylglyoximato nickel II (ref. 3).
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References
Sacconi, L., Orioli, P. L., Paoletti, P., and Ciampolini, M., Proc. Chem. Soc., 7, 255 (1962).
Bullen, G. J., Mason, R., and Pauling, Peter, Nature, 189, 291 (1961).
Godycki, L. Edward, and Rundle, R. E., Acta Cryst., 6, 487 (1953).
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Fox, M., LINGAFELTER, E., ORIOLI, P. et al. Tetrahedral Co-ordination in Bis-N-isopropyl Salicylaldiminato Nickel II. Nature 197, 1104 (1963). https://doi.org/10.1038/1971104a0
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DOI: https://doi.org/10.1038/1971104a0
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