二苯基四硫富瓦烯-十二钨杂多酸自由基盐的合成、性质和结构  

SYNTHESIS, PROPERTIES AND CRYSTAL STRUCTURE OF DIBENZOTETRATHIOFULVALENE HETEROPOLYTUNGSTATE RADICAL SALTS

作　　者：陈亚光[1] 朱志平[1] 刘景福[1] 林永华[2] 邢燕[2] 贾恒庆[2] 

机构地区：[1]东北师范大学化学系 [2]中国科学院长春应用化学研究所

出　　处：《无机化学学报》1998年第3期281-286,共6页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金

摘　　要：用电结晶法合成了二苯基四硫富瓦烯（ＤＢＴＴＦ）－十二钨杂多酸自由基盐，（ＤＢＴＴＦ）６ＨＳｉＷ１２Ｏ４０·２Ｈ２Ｏ和（ＤＢＴＴＦ）６ＰＷ１２Ｏ４０·５Ｈ２Ｏ，并用红外光谱、电子光谱和ＥＳＲ谱进行了表征。测定了两个盐的磁化率、电导率和（ＤＢＴＴＦ）６ＨＳｉＷ１２Ｏ４０·２Ｈ２Ｏ的单晶结构以及Ｘ－射线粉末衍射图。晶体属三斜晶系，Ｐ１空间群；晶胞参数为：ａ＝１３．７７４（２），ｂ＝１４．１９６（２），ｃ＝１５．６２８（３），α＝１０４．４８（１）°，β＝１０３．９７（１）°，γ＝９５．８２（１）°，Ｖ＝２８２８．４（８）３，Ｚ＝１，Ｄｃ＝２．７８９ｍｇ／ｍ３，Ｒ＝０．０６１５。两种盐均为顺磁性物质，具有半导体的电传导性。The dibenzotetrathiofulvalene heteropolytungstate radical salts, (DBTTF) 6HSiW 12 O 40 ·2H 2O and (DBTTF) 6PW 12 O 40 ·5H 2O, were synthesized by electrocrystallization and characterized by IR, electronic spectroscopy and ESR technology Their susceptibility and electronic conductivity were examined The crystal structure of (DBTTF) 6HSiW 12 O 40 ·2H 2O was determined and it crystallized in a triclinic system with P 1 space group and cell parameters: a =13 774(2), b =14 196(2), c =15 628(3), α =104 48(1)°, β =103 97(1)°, γ =95 82(1)°, V =2828 4(8) 3, Z=1 and D c=2 789 Mg/m 3 The final R =0 0615

关 键 词：钨杂多阴离子 二苯基 四硫富瓦烯 自由基盐 

分 类 号：O614.613[理学—无机化学]