Trans-spanning ligand
http://dbpedia.org/resource/Trans-spanning_ligand
Trans-spanning ligands are bidentate ligands that can span opposite sites of a complex with square-planar geometry. A wide variety of ligands that chelate in the cis fashion already exist, but very few can link opposite vertices on a coordination polyhedron. Early attempts to generate trans-spanning bidentate ligands relied on long hydrocarbon chains to link the donor functionalities, but such ligands often lead to coordination polymers.
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跨对位配体（Trans-spanning ligand）是指能在平面四边形构型的配合物中，从处于反位的两个位点与中心进行配位的。一般的配体由於距离太远，轨道重叠不好，所以都不能作跨对位配体，而只能作順對位的配體。早期曾用以多亚甲基连接的双配点分子尝试合成含跨对位配体的络合物，但这样的实验多以生成配位聚合物（coordination polymers）。
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Trans-spanning ligand
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跨对位配体
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19754128
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1026665691
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Trans-spanning ligands are bidentate ligands that can span opposite sites of a complex with square-planar geometry. A wide variety of ligands that chelate in the cis fashion already exist, but very few can link opposite vertices on a coordination polyhedron. Early attempts to generate trans-spanning bidentate ligands relied on long hydrocarbon chains to link the donor functionalities, but such ligands often lead to coordination polymers.
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跨对位配体（Trans-spanning ligand）是指能在平面四边形构型的配合物中，从处于反位的两个位点与中心进行配位的。一般的配体由於距离太远，轨道重叠不好，所以都不能作跨对位配体，而只能作順對位的配體。早期曾用以多亚甲基连接的双配点分子尝试合成含跨对位配体的络合物，但这样的实验多以生成配位聚合物（coordination polymers）。
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2964
