摘要
配位聚合物由于其在分子识别、催化、光电性质和磁性等方面表现出的独特性能.近年来已引起人们的极大关注。含氮、含氧桥联配体是合成具有不同拓扑结构的配位聚合物的重要原料。而氢键的存在,往往使配合物单分子之间相互连结。形成具有一维、二维或三维网络结构和多维结构的分子聚集体,从而降低了分子体系能量,稳定了体系结构,其结果可能赋予这些化合物某些新的(如光、
One double chains nickel(Ⅱ) coordination polymer has been synthesized and characterized in the solvent mixture of water and methanol with 3,5-dimethylbenzoic acid, 4,4'-bipyridine and nickel perchlorate anhydrous. Crystal data for this complex: Wriclinic, space group P1, a=1.13449(12) nm, b=1.137 81(12) nm, c=1.238 25(13) nm; α=100.374 0(10)°,β=109.481 0(10)°, γ=101.403 0(10)°, V=1.423 8(3) nm3, Dc=1.314 g·cm^-3, Z=1, F(000)= 592, final GooF=1.029, R1=0.039 6, wR2=0.1064. The complex involves two solvent molecules, two waters or two methanols. There are double similar structure chains in the whole crystal structure. The crystal structure shows that the nickel ion is coordinated with two nitrogen atoms of one 4,4'-bipyridine molecule and four oxygen atoms from two 3,5-dimethylbenzoic acid molecules and two methanol (or water) molecules respectively, forming a distorted octahedral coordination geometry. The two chains linked with hydrogen bond, forming three dimensional network double chains structures. The result of TG analysis shows that the title complex was stable under 210.0 ℃. CCDC: 724509.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2009年第5期934-937,共4页
Chinese Journal of Inorganic Chemistry
基金
湖南省科技厅重点项目(No.2008FJ3023)
衡阳师范学院青年骨干基金项目(2006)
湖南省重点建设学科资助项目
关键词
镍髤配合物
晶体结构
热稳定性分析
niekel(Ⅱ) complex
crystal structure
thermal stability analysis