摘要
合成了吡唑-3,5-二(N-烷基甲酰胺)(LH_3)的一系列配合物:(LH_2)_2Cu_2(NO_3)_2·H_2O,L_2Cu_2Na_2·nH_2O。得到了(PEAH_2)_2Cu_2(NO_3)_2·H_2O的单晶结构。(PEAH_3代表吡唑-3,5-二(N-乙基甲酰胺))。从元素分析及红外光谱讨论了不同pH时配合物的配位形式。配合物的ESR谱表明了分子内两个Cu原子间有自旋交换作用。
We have synthesized a number of new complexes (LH3)2Cu2(NO3)2·H2O, L2Cu2Na2·nH2O, where LH3 = Pyrazolc-3,5-bis(N-a1kylcarboxyamide). From elemental analysis data and IR spectra, we suggest the formation of neutral amide complexes in neutral solution and the deprotonated amide complexes in high pH solution. The crystal structure of (PEAH2)2Cu2(NO3)2 ?H2O, where PEAH3 = Pyrazole-3,5-bis(N-ethylcarboxyamide), was obtained by X-ray single crystal analysis. The ESR spectra of complexes show that there arc spin-exchange interaction between two copper atoms in the molecules.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
1992年第3期250-254,共5页
Chinese Journal of Inorganic Chemistry
基金
国家自然科学基金
关键词
吡唑
酰胺
双核铜配合物
自旋交换
pyrazole carboxyamide dinuclear copper complex spin-exchange
