Gougeon Patrick, Gall Philippe, Salloum Diala, Potel Michel
Sciences Chimiques de Rennes, UMR CNRS No. 6226, Université de Rennes I - INSA Rennes, Avenue du Général Leclerc, 35042 Rennes CEDEX, France.
Acta Crystallogr Sect E Struct Rep Online. 2010 Sep 18;66(Pt 10):i73. doi: 10.1107/S1600536810036834.
The structure of the title compound, vanadium indium penta-deca-molybdenum nona-deca-selenide, V(1.42)In(1.83)Mo(15)Se(19), is isotypic with In(2.9)Mo(15)Se(19) [Grüttner et al. (1979 ▶). Acta Cryst. B35, 285-292]. It is characterized by two cluster units Mo(6)Se(i) (8)Se(a) (6) and Mo(9)Se(i) (11)Se(a) (6) (where i represents inner and a apical atoms) that are present in a 1:1 ratio. The cluster units are centered at Wyckoff positions 2b and 2c and have point-group symmetry and , respectively. The clusters are inter-connected through additional Mo-Se bonds. In the title compound, the V(3+) cations replace the trivalent indium atoms present in In(2.9)Mo(15)Se(19), and a deficiency is observed on the monovalent indium site. One Mo, one Se and the V atom are situated on mirror planes, and two other Se atoms and the In atom are situated on threefold rotation axes.
标题化合物五钒铟十五钼十九硒（V(1.42)In(1.83)Mo(15)Se(19)）的结构与铟十五钼十九硒（In(2.9)Mo(15)Se(19)）[格鲁特纳等人，（1979年▶）。《晶体学报》B35卷，285 - 292页]同型。它的特征是存在两个簇单元Mo(6)Se(i)(8)Se(a)(6)和Mo(9)Se(i)(11)Se(a)(6)（其中i代表内部原子，a代表顶端原子），二者比例为1:1。簇单元位于Wyckoff位置2b和2c，分别具有点群对称性 和 。这些簇通过额外的Mo - Se键相互连接。在标题化合物中，V(3+)阳离子取代了In(2.9)Mo(15)Se(19)中存在的三价铟原子，并且在一价铟位点上观察到了缺陷。一个Mo、一个Se和V原子位于镜面上，另外两个Se原子和In原子位于三重旋转轴上。
