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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Mally89: 金币+1, 感谢应助!~欢迎常来!~好运哦!~\(^o^)/~ 2012-03-27 10:21:29 被风掠过: 金币+38, 翻译EPI+1, ★★★★★最佳答案 2012-03-27 11:26:08
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Coordination mode of the diversity of H3PIDC ligand lead to the pyridine ring and the imidazole rotation around the CAC bond different perspective, in addition, carboxyl and the imidazole ring is not in the same plane, so that the ligand has a distorted asymmetric structure. 多样化的H3PIDC 配位体的配位模式使得嘧啶环和咪唑环围绕CAC键旋转,此外,羧基和咪唑环也不在一个平面,使得配位体呈现扭曲的不对称结构。In hydrothermal or solvothermal conditions, using the asymmetric, flexible, or racemic organic ligand to self-assemble with metal ions, compounds with acentric structures have been obtained easily [13,14,32]. 在水热或溶剂热条件下,使用非对称、易弯曲或外消旋的有机配体与金属离子自组装,可以容易的得到无中心化合物。It is known that a non-centrosymmetric structure may have second-order non-linear optic (NLO) effects, and due to the advantages over pure organic or inorganic compoundsnewNLOmadeup by organic–inorganic hybrid coordination polymers are especially interested众所周知,非中心对称结构可能具有二阶非线性光学效应,而且由于相对于纯有机或无机化合物的优势,无机-有机混成配位聚合物引发了特殊的研究兴趣。 |
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