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氢键连接的—维镍和镍铜异金属配合物的合成与性质 被引量:3

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摘要 合成了1,2-二硫代草酸根(以下简记为Dto)桥联的4个一维镍和镍铜异金属配合物:(Me_6[14]二烯N_4)Ni_2(Dto)_2(1),(Me_6[14]二烯N_4)CuNi(Dto)_2(2),(Me_6[14]烷N_4)Ni_2(Dto)_2(3)和(Me_6[14]烷N_4)CuNi(Dto)_2(4),进行了元素分析、红外光谱、紫外-可见光谱和电子顺磁共振谱的表征.得到了配合物3的晶体结构,晶体属单斜晶系,C2/c空间群;晶胞参数:a=2.2425(4),b=1.0088(2),c=1.4665(3)nm,β=125.32(3)°;Z=4;最终偏离因子R=0.076,Rw=0.079.配合物中Ni(1)与2个DtO配位,具有平面四方型配位环境,Ni(2)处于大环配体的中心;Dto的2个硫原子与Ni(1)配位,O(1)与Ni(2)形成弱的配位键,O(2)与大环配体上的N(2)形成氢键,这是一种未见文献报道的新的DtO配位形式.
出处 《中国科学(B辑)》 CSCD 北大核心 2002年第4期323-329,共7页 Science in China(Series B)
基金 国家自然科学基金(批准号:90101028和50173011) 天津市自然科学重点基金(批准号:013801611) 教育部优秀青年教师教学科研奖励计划资助项目
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