TETRAPHENYLPHOSPHONIUM NONACHLORODIVANADATE(III), (PPH4)3[V2CL9].7CH2CL2

被引：3

作者：

RUHLANDTSENGE, K ^{[1
]}

BACHER, AD ^{[1
]}

KOELLNER, G ^{[1
]}

SIEWERT, B ^{[1
]}

MULLER, U ^{[1
]}

机构：

[1] UNIV MARBURG, FACHBEREICH CHEM, HANS-MEERWEIN STR, W-3550 MARBURG, GERMANY

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1992年 / 47卷 / 06期

关键词：

NONACHLORODIVANADATE; SYNTHESIS; CRYSTAL STRUCTURE;

D O I：

10.1515/znb-1992-0609

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of VCl4 with (Me3Si)2S in CH2Cl2 yields an insoluble product with the approximate composition VSCl2. Its reaction with PPh4Cl in CH2Cl2 affords (PPh4)3[V2Cl9] . 7 CH2Cl2, whereas PPh4[VOCl4] is formed in the presence of oxygen. According to an X-ray crystal structure analysis, (PPh4)3[V2Cl9] - 7 CH2Cl2 contains [V2Cl9]3- ions having two face-sharing coordination octahedra but no significant metal-metal bonding (V-V distance 327.5 pm). Crystal data: a = 1386.4(7), b = 1405.6(7), c = 2710(2) pm, alpha = 95.800(5), beta = 95.370(5), gamma = 118.11(3)-degrees. triclinic, P1BAR, Z = 2; R = 0.066 for 8779 observed reflexions. PPh4[VOCl4] is isotypic with AsPh4[VOCl4] and contains tetragonal-pyramidal [VOCl4]- ions; tetragonal, P4/n, Z = 2, a = 1264.5(2),c 772.0(2) pm; R = 0.050 for 654 observed reflexions.

引用

页码：814 / 818

页数：5

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