STRUCTURE OF A TRINUCLEAR NICKEL(II) COMPLEX BRIDGED BY 3,5-DIMETHYLPYRAZOLATE (3,5-ME2PZ), [NI3(3,5-ME2PZ)4(ACAC)2]

被引：8
|
作者：
MAEKAWA, M [1 ]
MUNAKATA, M [1 ]
KURODA, T [1 ]
NOZAKA, Y [1 ]
机构：
[1] KINKI UNIV,DEPT CHEM,OSAKA,OSAKA 577,JAPAN
来源：
INORGANICA CHIMICA ACTA | 1993年 / 208卷 / 02期
关键词：
D O I：
10.1016/S0020-1693(00)85129-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A novel trinuclear nickel(II) complex, [Ni3(3,5-Me2pz)4(acac)2] (3,5-Me2pz = 3,5-dimethylpyrazolate, acac = acetylacetone), has been prepared and characterized crystallographically. The terminal and center nickel atoms are bridged by two 3,5-Me2pz, providing a trinuclear structure. The geometry of each nickel atom is square planar (SqPl) and these planes provide the zigzag mode. This is the first crystal structure of a trinuclear nickel(II) complex having a (SqPl)-(SqPl)-(SqPl) coordination arrangement. The Ni(l) ... Ni(2) separation is 3.1972(5) angstrom and the Ni(II) complex has no attractive Ni(II)... Ni(II) interaction. The averaged Ni-N distance of 3,5-Me2Pz and Ni-O distance of acac are 1.876 and 1.850 angstrom, respectively.
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页码：243 / 244
页数：2
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