Zhou Lu-Jun, Shi Hua-Tian, Xu Chao, Chen Qun, Zhang Qian-Feng
Department of Applied Chemistry, School of Petrochemical Engineering, Changzhou University, Jiangsu 213164, People's Republic of China.
Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui 243002, People's Republic of China.
Acta Crystallogr Sect E Struct Rep Online. 2013 Oct 19;69(Pt 11):m608. doi: 10.1107/S1600536813028213.
The title compound, {(C6H8N)[AgWSe4]·C6H7N} n , consists of anionic [WAgSe4] n chains, 2-methyl-pyridinium cations and neutral 2-methyl-pyridine mol-ecules. The Se atoms bridge the Ag and W atoms, forming a polymeric chain extending along the b-axis direction. Both the Ag and W atoms are located on a twofold rotation axis and each metal atom is coordinated by four Se atoms in distorted tetra-hedral geometry. In the crystal, the 2-methyl-pyridinium cation and 2-methyl-pyridine mol-ecule are linked via N-H⋯N hydrogen bonding. Weak C-H⋯Se inter-actions link the organic components and polymeric anions into a three-dimensional architecture.
标题化合物{(C₆H₈N)[AgWSe₄]·C₆H₇N}ₙ由阴离子[WAgSe₄]ₙ链、2-甲基吡啶鎓阳离子和中性2-甲基吡啶分子组成。硒原子桥连银原子和钨原子，形成沿b轴方向延伸的聚合链。银原子和钨原子均位于二重旋转轴上，且每个金属原子均由四个硒原子以扭曲的四面体几何构型配位。在晶体中，2-甲基吡啶鎓阳离子和2-甲基吡啶分子通过N-H⋯N氢键相连。弱C-H⋯Se相互作用将有机组分和聚合阴离子连接成三维结构。
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