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利用扩散法合成了标题化合物[Ag(H is)2]NO3.0.5H2O(1),X射线单晶衍射分析结果表明,标题化合物分子式为:AgC12H19N7O7.50,M r=489.21,属正交晶系,P2(1)2(1)2空间群,晶胞参数:a=0.9675(3)nm,b=3.4113(9)nm,c=0.52193(13)nm,α=90,°β=90,°γ=90,°V=1.72227(8)nm3,Z=4,Dcalc=1.866 gcm-3,μ=1.228 mm-1,F(000)=984.0,R1=0.0272,wR=0.0639,化合物由配离子[Ag(his)2]+,1个NO3-阴离子和0.5个水分子组成:中心银(Ⅰ)离子采用二配位的构型,2个L-组氨酸分别通过咪唑环中的2个N原子与Ag(Ⅰ)配位.化合物通过分子间氢键作用形成超分子结构.
The title compound [Ag (His) 2] NO3.5H2O (1) was synthesized by the diffusion method. The X-ray single crystal diffraction analysis showed that the molecular formula of the title compound was AgC12H19N7O7.50 and M r = 489.21, A = 0.9675 (3) nm, b = 3.4113 (9) nm, c = 0.52193 (13) nm, α = 90, ° β = 90 and the space group of P2 (1) , Γ = 90, ° V = 1.72227 (8) nm3, Z = 4, Dcalc = 1.866 gcm-3, μ = 1.228 mm-1, F (000) = 984.0, R1 = 0.0272, wR = The ions of [Ag (his) 2] +, one NO3- anion and 0.5 water molecule are as follows: The central silver (Ⅰ) ion adopts the bidentate configuration and the two L- Two N atoms coordinate with Ag (Ⅰ), and the compounds form supramolecular structure through intermolecular hydrogen bonding.