Nickel(II) isopropylxanthate complexes containing phosphorus donor ligands in the coordination sphere .2.

被引：12

作者：

Travnicek, Z ^{[1
]}

Pastorek, R ^{[1
]}

Sindelar, Z ^{[1
]}

Kasparek, F ^{[1
]}

Marek, J ^{[1
]}

机构：

[1] MASARYK UNIV,DEPT INORGAN CHEM,CS-61137 BRNO,CZECH REPUBLIC

来源：

POLYHEDRON | 1997年 / 16卷 / 15期

关键词：

nickel(II) xanthates; syntheses; X-ray structure;

D O I：

10.1016/S0277-5387(97)00005-3

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Nickel(II) isopropylxanthate complexes, [Ni(Pr(i)xa)(2)(PPh3)], [NiX(Pr(i)xa)(TCEP)], [Ni(Pr(i)xa)(2)(TRIPHOS)]. H2O and [Ni(Pr(i)xa) (TRIPHOS)][Ni (Pr(i)xa)(3)] {Pr-i = i-C3H7, xa = S2CO-, X = Cl- or Br-; PPh3 = triphenylphosphine, TCEP = tris(2-cyanoethyl)phosphine and TRIPHOS = 1,1,1-tris(diphenylphosphino-methyl)ethane}, have been synthesized. The compounds have been characterized by elemental analysis, magnetochemical and conductivity measurements and IR and electron spectroscopies. The structure of [Ni(Pr(i)xa)(2)(PPh3)] has been determined by single-crystal X-ray diffraction. The nickel atom is four-coordinated by three sulfur atoms from two non-equivalently bonded isopropylxanthato anions and by one phosphorus atom from PPh3 [Ni-S=2.2282(13), 2.2588(14), and 2.2382(13), respectively, and Ni-P = 2.2023(13) Angstrom], in a distorted square-planar geometry. One of the two xanthate ligands is coordinated as a monodentate ligand. The distance between nickel and non-coordinated sulfur atom is 2.816(2) Angstrom. (C) 1997 Elsevier Science Ltd.

引用

页码：2573 / 2579

页数：7

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