ic034992w_si_001.cif (31.79 kB)

The First Example of a Seven-Coordinate Vanadium(III) Thiolate Complex Containing the Hydrazine Molecule, an Intermediate of Nitrogen Fixation

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posted on 17.11.2003, 00:00 by Hua-Fen Hsu, Wei-Cheng Chu, Chen-Hsiung Hung, Ju-Hsiou Liao
The first example of a seven-coordinate vanadium(III) thiolate complex, [V(PS3‘ ‘)(N2H4)3] (1), where PS3‘ ‘ = [P(C6H3-3-Me3Si-2-S)3]3-, has been synthesized and characterized. Compound 1 contains a tetradentate ligand (PS3‘ ‘) and three hydrazine molecules, forming a capped octahedral geometry. A five-coordinate vanadium(III) complex, [V(PS3)(1-Me-Im)] (2), where PS3 = [P(C6H4-2-S)3]3- and 1-Me-Im = 1-methyl-imidazole, was also obtained. Compound 2 adopts a trigonal bipyramidal geometry, in which the vanadium is ligated by the title ligand, PS3, and one 1-Me-Im molecule.

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