Complexes of Nickel(II)with a Cyclic Tetradentate Secondary Amine
Complexes of Nickel(II)with a Cyclic Tetradentate Secondary Amine
复制标题
镍(II)与环状四齿仲胺的配合物
DOI：
10.1021/ic50030a004
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发表时间：
1965
影响因子：
4.6
通讯作者：
G. Webb
中科院分区：
文献类型：
--
作者：
B. Bosnich;M. Tobe;G. Webb
合成了卤化镍和高氯酸镍与1，4，8，11-四氮杂环十四烷的配合物。氯化物和溴化物在固态时是顺磁性的，而碘化物和高氯酸盐是反磁性的。它们都溶于甲醇和水，形成2：1的电解质，溶液光谱与阴离子的性质无关，与高氯酸盐的漫反射光谱非常相似。从氯离子和溴离子到碘离子和高氯酸盐的自旋多重性的变化归因于由于空间位阻原因阻止轴向配体发挥其全部配体场强度而导致的四重畸变的增加。
The complexes of the nickel (II) halides and nickel (II) perchlorate with 1, 4, 8, 11-tetraazacyclotetradecane havebeen prepared. The chloride and bromide are paramagnetic in the solid state, whereas the iodide and perchlorate are diamagnetic. All dissolve in methanol andwater to give 2: 1 electrolytes, and the solution spectra are independent of the nature of the anion and very similar to the diffuse reflectance spectrum of the perchlorate. The change in spin multiplicity on changing from chloride and bromide to iodide and perchlorate is ascribed to the increasing tetragonal distortion due to the axial ligands being prevented by steric reasons from exerting their full ligand field strength.