Mixed-Ligand Complexes of Ni(i-Bu2PS2)2 with 4-Aminopyridine. Structure of [Ni(4-NH2Py)(i-Bu2PS2)2] |
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| Authors: | T E Kokina L A Glinskaya E A Novoselova R F Klevtsova and S V Larionov |
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| Institution: | (1) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia;(2) Novosibirsk State University, Novosibirsk, Russia |
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| Abstract: | Mixed-ligand complexes Ni(4-NH2Py) (i-Bu2PS2)2] (I) and Ni(4-NH2Py)2(i-Bu2PS2)2 (II) have been synthesized. Single crystals were grown and X-ray diffraction data (CAD-4 diffractometer, MoK
α radiation, 1477 F
hkl
, R = 0.0320) were used to determine the structure of I. The crystals are orthorhombic: a = 10.675(1) Å; b = 21.681(2) Å; c = 26.302(4) Å, V = 6087.5(12) Å3, Z = 8, ρ(calc) = 1.247 g/cm3, space group Pbca. Complex I possesses a mononuclear molecular structure. The coordination polyhedron of the Ni atom is a tetragonal pyramid NS4 whose base is formed by four S atoms of two cyclic bidentate ligands i-Bu2PS
2
−
and the axial position is occupied by the N atom of the 4-NH2Py cycle. According to electron spectroscopy data, complex II has an octahedral N2S4 environment of the Ni atom.Original Russian Text Copyright © 2004 by T. E. Kokina, L. A. Glinskaya, E. A. Novoselova, R. F. Klevtsova, and S. V. Larionov__________Translated from Zhurnal Strukturnoi Khimii, Vol. 45, No. 5, pp. 899–904, September–October, 2004. |
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| Keywords: | nickel(II) diisobutyldithiophosphinate 4-aminopyridine mixed-ligand complex synthesis crystal structure |
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