engleski

Bis[bis{(diphenylphosphinyl)methyl}ethyl phosphinato-O,O´]-bis(ethanol-O)-nickel(II)

Bis[bis{(diphenylphosphinyl)methyl}ethyl phosphinato-O,O´]-bis(ethanol-O)-metal(II) perchlorate complexes, where metal is Co, Ni or Cu, have been prepared by the reaction of metal perchlorates and [(diphenylphosphinyl)methyl]ethyl phosphinate, RPOEt, in absolute ethanol. The crystal and molecular structure of the copper complex has been reported. The crystal structure of the nickel compoud is triclinic, space group P 1^- (No. 2). The structure consists of complex cations surrounded by perchlorate anions. Two RPOEt ligands and two ethanols are coordinated to nickel atom situated at the centre of symmetry 0,0,0. The RPOEt ligand is bidentate, but the third oxygen atom from phosphoryl bonds is hydrogen bonded to the oxygen atom of ethanol molecule coordinated to the nickel at 2.053(2)A.

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