链状[NH_3CH_2CH_2NH_3]AgAsS_4的溶剂热合成及表征

Solvothermal Synthesis and Characterization of 1D (NH_3CH_2CH_2NH_3)AgAsS_4

利用溶剂热方法合成了链状 [NH3CH2 CH2 NH3]Ag As S4 ,通过单晶 X射线衍射技术对其进行了晶体结构分析 ,该化合物晶体属单斜晶系 ,空间群 C2 /c,晶胞参数 a=1 .3 5 80 5 ( 8) nm,b=0 .65 3 3 1 ( 3 ) nm,c=2 .2 771 1 ( 9) nm,β=1 0 6.42 ( 3 )°,Z=8.化合物具有有趣的梯子状双链结构 ,该阴离子链由 As S4 与 Ag S3共用顶点交替连接而成 ,有机阳离子在阴离子链之间存在较强的 N— H…S氢键 .DSC和 TG分析结果表明化合物在 2 0

A one dimensional compound (NH 3CH 2CH 2NH 3)AgAsS 4 with ladder like chains was synthesized solvothermally. This compound crystallizes in the monoclinic system, space group C2/c , with a =1 358 05(8) nm, b =0.653 31(3) nm, c =2.277 11(9) nm, β =106.42(3)°, Z =8. The compound comprises anionic chains formed by tetrahedral AsS 4 sharing apices with AgS 3, and organic cations are located between the chains. The hydrogen bonding of N—H…S exists in the compound, which to...