化学学报 ›› 2004, Vol. 62 ›› Issue (3): 253-261. 上一篇    下一篇

研究论文

系列含二核钼(钨)簇阴离子化合物的合成、结构特征和簇间相互作用

卢绍芳, 朱永宝, 梁玉仓, 余荣民, 黄小荥, 孙福侠, 吴锵金, 黄子祥   

  1. 中国科学院福建物质结构研究所, 结构化学国家重点实验室, 福州, 350002
  • 投稿日期:2003-08-25 修回日期:2003-11-07 发布日期:2014-01-26
  • 通讯作者: 卢绍芳,E-mail:lsf@ms.fjirsm.ac.cn E-mail:lsf@ms.fjirsm.ac.cn
  • 基金资助:
    国家自然科学基金(Nos.29673046,29733090)、福建省自然科学基金(No.B96018)和结构化学国家重点实验室基金资助项目.

Synthesis, Structural Feature and Intercluster Interaction of a Series of Compounds Containing Binuclear Molybdenum(Tungsten) Cluster Anion

LU Shao-Fang, ZHU Yong-Bao, LIANG Yu-Cang, YU Rong-Min, HUANG Xiao-Ying, SUN Fu-Xia, WU Qiang-Jin, HUANG Zi-Xiang   

  1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002
  • Received:2003-08-25 Revised:2003-11-07 Published:2014-01-26

报道了系列共9个以[(M2OnS4-n)(i-mnt)2]2- (M=Mo, W; i-mnt=S2CC(CN)22-; n=0, 1, 2)二核簇为阴离子,以某些有机基团如R4N (R=烷基),质子化的4,4'-bpy或碱金属Cs, K,二价金属Ni, Mn配合物为阳离子的新化合物的合成,晶体结构,谱学表征和成键特征.这些化合物通过S...S, S...Cl, Cl...Cl超分子相互作用及离子间氢键形成双聚、链状、层状、三维网络及包合物堆积结构.采用扩展的Hückel近似下的紧束缚能带方法计算了部分化合物的能带结构,表明正是这些簇间或离子间的相互作用提供了簇间电荷转移的可能.部分晶体粉末样品的变温电导率测试证实了它们具有半导体导电性能.

关键词: 二核钼(钨)硫簇合物, 配体i-mnt, 合成, 晶体结构, 簇间相互作用, 能带分析, 导电性能

The syntheses, crystal structures and bonding features of a series of nine cluster compounds with [(M2OnS4-n)(i-mnt)2]2- (M=Mo, W; i-mnt=S2CC(CN)22-; n=0, 1, 2) as the cluster anion and some organic groups such as R4N (R=alkyl), protonated 4,4'-bpy etc., or alkali metals Cs, K, or Ni(Ⅱ), Mn(Ⅱ)-centered complexes as the cation are systematically described. These compounds possess a dimeric, chain-like, layer-like or clathrate packing structure linked by S…S, S…Cl, Cl…Cl supramolecular interaction and interionic hydrogen bond. Their band structures are calculated by using tight-bind method within the extended Hückle scheme. The results show that it is the intercluster or interionic interaction that produces the possibility of the charge transfer between the clusters. The measurement of the temperature-change specific conductivity gives the evidence that these cluster compounds possess electroconductivity of semiconductor.

Key words: binuclear molybdenum(tungsten)-sulfur cluster compound, ligand i-mnt, synthesis, crystal structure, intercluster or interionic interaction, energy band analysis, conductivity