THIOLATE-BRIDGED BINUCLEAR NICKEL(II) COMPLEXES WITH A MIXED-SPIN STATE

被引:15
作者
MIKURIYA, M
HANDA, M
SHIGEMATSU, S
FUNAKI, S
ADACHI, F
OKAWA, H
机构
[1] SHIMANE UNIV, FAC SCI, DEPT CHEM, MATSUE, SHIMANE 690, JAPAN
[2] KYUSHU UNIV 33, FAC SCI, DEPT CHEM, HIGASHI KU, FUKUOKA 812, JAPAN
关键词
D O I
10.1246/bcsj.65.512
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Thiolate-bridged binuclear nickel(II) complexes with N,N-bis[2-(2-pyridyl)ethyl]-2-aminoethanethiol (HL), [Ni2(L)2](ClO4)2.1/2H2O and [Ni2(L)2](PF6)2, have been synthesized and characterized by elemental analyses, infrared and electronic spectra, and magnetic susceptibilities (80-300 K). The crystal structure of the perchlorate has been determined by the single-crystal X-ray diffraction method. The [Ni2(L)2]2+ cation has a novel binuclear structure where one of the nickel ions is coordinated by a square-planar N2S2 donor set and the other has a distorted square-pyramidal configuration (N3S2 donor set) with the pendant pyridyl nitrogen at the apex. From the above results, it was concluded that the present complexes are novel mixed-spin state containing a low-spin Ni(II) and a high-spin Ni(II) in the molecule.
引用
收藏
页码:512 / 516
页数:5
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