【摘要】 用ＥＳＲ（ＥｌｅｃｔｒｏｎＳｐｉｎＲｅｓｏｎａｎｃｅ）波谱研究（Ｃ２Ｈ５）４ＮＢ１０Ｈ１０Ｃｕ和（ＣＨ３）４ＮＢ１２Ｈ１２Ｃｕ的结构和化学键．结果表明该系列化合物中１１Ｂ和１４Ｎ核与Ｃｕ２＋之间不是以共价键或者离子键形式直接连接，很可能存在着ＣｕＨＢ桥键，但Ｃｕ２＋和１Ｈ之间的作用比较弱．（ＣＨ３）４ＮＢ１２Ｈ１２Ｃｕ中Ｃｕ２＋位于Ｂ１２Ｈ１２２－轴对称性配位场中，因而有较高的对称性和稳定性；（Ｃ２Ｈ５）４ＮＢ１０Ｈ１０Ｃｕ中Ｃｕ２＋位于Ｂ１０Ｈ１０２－非轴对称性配位场，并且Ｃｕ２＋彼此之间相距较近更多还原

【Abstract】 The structure and chemical bonding features of (C 2H 5) 4NB 10 H 10 Cu and (CH 3) 4NB 12 H 12 Cu have been studied by means of ESR.It seems that there are no strong valence or ionic bonds Cu- 11 B and Cu- 14 N,while the CuHB bridge bond maybe exists in those compounds,but the interaction between Cu and H would be rather weak.It is also shown that Cu 2+ is located at an axial-symmetry ligand field of B 12 H 12 2- in (CH 3) 4NB 12 H 12 Cu and it is not for (C 2H 5) 4NB 10 H 10 Cu.Thus the (CH 3) 4NB 12 H 12 Cu behaves higher geometry symmetry and stability.更多还原