Synthesis and Structure of bis（μ—2—aminopyridine N—oxide）—bis[dichlorocopper（II）]
摘要
The complex [Cu2(apo)4Cl4]·2H2O (apo=2-aminopyridine N-oxide) was obtained. A single- crystal X-ray study shows that the complex is a binuclear compound (Cu2C20H28C14NsO6). The coordination geometry about each copper atom is best described as a distorted square pyramid. The compound [Cu2(apo)4Cl4]·2H2O belongs to the triclinic system with space group P1, lattice constants: a = 7.8550(7), b = 8.5378(7), c = 12.082(1) A, α = 72.807(1),β = 77.641(1),γ = 70.800(1)° , V=724.85(11) A3, Z=1, Mr=745.38, Dc=1.708 g/cm3, μ =1.886mm-1, F(000) =378, R=0.0359, wR2=0.0884 for 2220 reflections with I ＞2σ(I). The distances between Cu(Ⅱ) and O atoms are in the range from 1.934(2) to 2.042(2)A. The distance between two copper atoms Cu-Cu(A) is 3.2978(8) A. The distances of Cu-Cl(1) and Cu-Cl(2) are 2.2322(9), 2.5095(10) A, respectively. There is no evident hydrogen bond between N and Cl.