STRUCTURE OF TETRAKIS(MU-ACETATO-KAPPA-O-KAPPA-O')-BIS(2-CYANO-KAPPA-N-GUANIDINE)DICOPPER(II)

被引:14
作者
BEGLEY, MJ [1 ]
HUBBERSTEY, P [1 ]
SPITTLE, PH [1 ]
WALTON, PH [1 ]
机构
[1] UNIV NOTTINGHAM,NOTTINGHAM NG7 2RD,ENGLAND
关键词
D O I
10.1107/S0108270192005122
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
[Cu2(C2H3O2)4(C2H4N4)2], M(r) = 531.19, monoclinic, P2(1)/n (non-standard setting of P2(1)/c), a = 8.416 (2), b = 15.423 (5), c = 8.679 (3) angstrom, beta = 110.08 (5)degrees, V = 1058.06 angstrom3, Z = 2, D(m) = 1.65, D(x) = 1.67 g cm-3, lambda(Mo Kalpha) = 0.71073 angstrom, mu = 21.46 cm-1, F(000) = 540, T = 295 K, R = 0.039 for 152 least-squares parameters and 1725 unique reflections with I > 3sigma(I). The centrosymmetric molecular structure of [Cu(OAc)2(cnge)]2 (OAc = acetate; cnge = 2-cyanoguanidine) comprises a tetrakis(acetato)-bridged dinuclear copper(II) core with axially located cnge moieties. An intramolecular hydrogen bond dictates a bent coordination mode for the weakly bound cnge molecule.
引用
收藏
页码:1047 / 1049
页数:3
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