SYNTHESIS AND CRYSTAL-STRUCTURE OF IODOMETHYLTRIPHENYLPHOSPHONIUM IODIDE(C6H5)(3)PCH2I+I-

被引：16

作者：

VOGT, H ^{[1
]}

LAURITSEN, K ^{[1
]}

RIESEL, L ^{[1
]}

VONLOWIS, M ^{[1
]}

RECK, G ^{[1
]}

机构：

[1] BUNDESANSTALT MAT FORSCH & PRUFUNG,D-12489 BERLIN,GERMANY

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1993年 / 48卷 / 12期

关键词：

IODOMETHYLTRIPHENYLPHOSPHONIUM IODIDE; SYNTHESIS; CRYSTAL STRUCTURE;

D O I：

10.1515/znb-1993-1211

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Iodomethyltriphenylphosphonium iodide, (C6H5)(3)PCH2I+I-, has been prepared by the reaction of (C6H5)(3)P with CH2I2 in dichloromethane forming colourless needle like crystals. The crystal and molecular structures have been determined by an X-ray structure analysis. The crystals are orthorhombic, space group Pca2(1), Z = 8; a = 1478,8(3) pm, b = 1249,3(3) pm, c = 2053,2(3) pm. R = 0.050 for 3219 observed reflections with I greater than or equal to 2 sigma the solid state the title compound exists as two discrete monomeric units, (C6H5)(3)PCH2I+I-. In both symmetry independent units the I-I distances are surprisingly short with 346,5(1) pm and 356,3(1) pm. For the title compound the results of AM1, PM3, and MNDO calculations are in good agreement with corresponding values determined by the X-ray analysis.

引用

页码：1760 / 1766

页数：7

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