Structural characterization of nitrosodicyanomethanide and dicyanamide complexes of copper(II), nickel(II) and cobalt(II) with imidazole and 1-methylimidazole. X-ray crystallographic evidence of unusual nitrosodicyanomethanide O-bonding in Cu{ONC(CN)2}2 (1-methylimidazole)4
作者:Mária Hvastijová、Jozef Koźíšek、Jiří Kohout、Jerzy Mroziński、Lothar Jäger、Ingrid Svododa
DOI:10.1016/0277-5387(96)00290-2
日期:1997.1
Pseudohalide complexes of the type MONC(CN)2}2L2, with M = Cu, L = imidazole (iz), 1-methylimidazole (meiz); M = Ni, Co, L = meiz, CuONC(CN)2}2(meiz)4MONC(CN)2}2(iz)4, with M = Ni, Co, and MN(CN)2}2L2, with M = Cu, Co, L = meiz; M = Ni, L = iz, meiz have been prepared and characterized by spectroscopic and magnetic techniques. The crystal structure of CuONC(CN)2}2(meiz)4 has been determined by
类型为M ONC(CN)2 } 2 L 2的假卤化物配合物,其中M = Cu,L =咪唑(iz),1-甲基咪唑(meiz);M = Ni,Co,L = meiz,Cu ONC(CN)2 } 2(iz)4 M ONC(CN)2 } 2(iz)4,其中M = Ni,Co和M N(CN )2 } 2大号2,其中M = Cu,Co,L = meiz; M = Ni,L = iz,meiz已通过光谱和磁性技术制备并表征。通过X射线衍射法确定了Cu ONC(CN)2 } 2(meiz)4的晶体结构。Cu II环境是细长的伪八面体,由四个叔甲基氮和两个亚硝基二氰基氨基甲烷氧在更长的轴向距离上组成。根据光谱结果,其余化合物显示八面体(Ni,Co)或拟八面体(Cu)结构,通过桥接假卤化物功能以M:L = 1:2以及也可能以1:4化合物实现。Cu ONC(CN)2 } 2(meiz)的磁性能证