双核铜配合物［Cu（C_6H_5COO）_2（C_5H_6N_2）］_2（C_4H_8O）_2的合成、结构和性质

STNTHESIS, STRUCTURE AND CHARACTERIZATION OF BINUCLEAR COPPER(Ⅱ) COMPLEX

在配体存在下，通过金属铜粉和过氧化苯甲酰的氧化加成反应合成了双核铜配合物［Ｃｕ（Ｃ６Ｈ５ＣＯＯ）２（Ｃ５Ｈ６Ｎ２）］２·，以元素分析、电导、热重－差热分析、红外光谱、磁性及粉末衍射对配合物进行了表征，并经Ｘ－射线单晶结构分析，确定了配合物的结构，晶体属于三斜晶系，空间群为Ｐ—１，分子式为Ｃ４６Ｈ４８Ｎ４Ｏ１０Ｃｕ２，Ｍｒ＝９４３．９３，ａ＝１０．８０６（１）ｋｂ＝１１．１６９（３），Ｃ＝１１．７２９（２）Ａ，α＝７１．９９（２），β＝８９．３８（１），γ＝８１．３７（１）°，Ｖ＝１３３０．１Ａ３，Ｄｃ＝１．１７２ｇ／ｃｍ３，Ｒ＝０．０４３２９，Ｒｗ＝０．０４８６０，Ｆ（０００）＝４９０，μ＝８．５ｃｍ－１，Ｚ＝１，两个铜原子的配位环境相同，由羧酸根的四个氧原子和２－氨基吡啶的氮原子形成五配位的四方锥多面体。

At room temperature. dibenzoyl peroxide and 2-aminopyridine reacted with metallic copper powder in a mixed solvent(acetone and THF). resulting in a binuclear copper(Ⅱ) complex [Cu(C6H5COO)2(C5H6N2)]2·(C4H8O)2. The structure of the complex was characterized by elemental analyses, IR spectra. DTA-TG. magnetic property and X-ray powder diffraction. the crystal is triclinic. space group p-1. C46H48N4O10Cu2. Mr= 943.93.a= 10.806(1), b = 11.169(3). c= 11.729(2)A, a = 71 .99(2), β= 89.38(1), r= 81.37(1)°,V= 1330.1A3. Dc= 1.172g / cm3, R = 0.04329. Rw= 0.04860. F(000) = 490. μ = 8.5cm-1, Z = 1.Each copper(Ⅱ) atom is coordinated by two bridging bidentate benzoate ligands and one 2-aminopyridine.