摘要
我们利用铁氰化钾兼做氧化剂和沉淀剂,用以氧化[NiLn]^(2+)(L为en、pn和dien,分别表示乙二胺、1.2-丙二胺和二乙三胺)得到比较稳定的3种溶解度较小的暗绿色晶体。经元素分析、穆斯堡尔谱(Mossbauer)、紫外光谱、磁化率、摩尔电导和顺磁共振光谱(ESR)的测定,证明它们是高自旋Ni(Ⅲ)配合物。
The number of known nikel(Ⅲ) compounds is small. Most of them are in low-spin(oneimpaired electron). In this article we report the preparation, isolation and charateritation of nicked(Ⅲ)complexes with ethylenediamine, 1.2-propaedimine. clithylenediamine, the nickel(Ⅲ) oxidation statewhich is in high-spin configuration. The nature of nickel(Ⅲ) complexes are studied by using ESR,UV-visible spectroscopy, Mossbauer and magnetic monent measurements. Various criteria are employedto estabilish the oxidation state of nickel(Ⅲ).
出处
《河南师范大学学报(自然科学版)》
CAS
CSCD
1992年第3期49-52,共4页
Journal of Henan Normal University(Natural Science Edition)
基金
国家自然科学基金
关键词
配合物
高自旋
光谱
三价镍
complex
high-spin
spectra
trivalent nickel