and microanalysis. Crystal structures of [ZrCl(4)[o-C(6)H(4)(AsMe(2))(2)](2)], [ZrBr(4)[-C(6)H(4)(PMe(2))(2)](2)], [ZrI(4)[o-C(6)H(4)(AsMe(2))(2)](2)] and [HfI(4)[o-C(6)H(4)(AsMe(2))(2)](2)] all show distorted dodecahedral structures. Surprisingly, unlike the corresponding Ti(iv) systems, only the eight-coordinate complex was found in each system. In contrast, the ligand o-C(6)H(4)(PPh(2))(2) forms
八坐标[
MX(4)(LL)(2)](M = Zr或Hf; X = Cl或Br; LL = oC(6)H(4)(
PMe(2))(2)或oC( 6)H(4)(AsMe(2))(2))是通过将Me(2)S从[
MX(4)(Me(2)S)(2)]置换CH的三当量LL制成的(2)Cl(2)溶液,或来自
MX(4)和LL在无
水溶液中的溶液。[MI(4)(LL)(2)]直接由MI(4)与
配体在CH(2)Cl(2)溶液中反应制得。通过IR,UV / Vis以及(1)H和(31)P NMR光谱学和显微分析对高度湿敏的配合物进行了表征。[ZrCl(4)[oC(6)H(4)(AsMe(2))(2)](2)],[ZrBr(4)[-C(6)H(4)(
PMe( 2))(2)](2)],[ZrI(4)[oC(6)H(4)(AsMe(2))(2)](2)]和[HfI(4)[oC(6 )H(4)(AsMe(2))(2)](2)