Conversion of distorted tetrahedral bis(benzyldiphenylphosphine)dibromonickel(II) into a pure planar complex by high pressure

Abstract
Electronic and far-i.r. spectral evidence for a structural change occurring in the solid state between the distorted tetrahedral and planar forms of Ni(Ph2PCH2-Ph)2Br2, produced by high external pressure, has been obtained; this is the first reported spin-pairing occurring for solid nickel complexes, and conversion from a distorted tetrahedral into a planar structure with an increase in pressure.

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