The Binary Iodine-Chlorine Octahalide Series [InCl8-n]2- (n=3, 3.6, 4)

被引：13

作者：

Abdelbassit, Mohammed S. ^{[1
]}

Curnow, Owen J. ^{[1
]}

Dixon, Miriam K. ^{[2
]}

Waterland, Mark R. ^{[2
]}

机构：

[1] Univ Canterbury, Sch Phys & Chem Sci, Private Bag 4800, Christchurch 8041, New Zealand

[2] Massey Univ, Sch Fundamental Sci, Private Bag 11-222, Palmerston North 4442, New Zealand

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2019年 / 25卷 / 50期

关键词：

chlorine; interhalides; iodine; octahalides; Raman spectroscopy; CRYSTAL-STRUCTURE; POLYHALIDES; CHEMISTRY; ELECTROLYTES; MONOCHLORIDE; COMPLEXES; HALOGENS; MOTIFS; SALTS; ANION;

D O I：

10.1002/chem.201902135

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The octanuclear iodine-chlorine interhalides [I4Cl4](2-) and [I3Cl5](2-) were prepared in two steps. Firstly, addition of ICl to the triaminocyclopropenium chloride salt [C-3(NEt2)(3)]Cl forms the trihalide ICl2- salt, secondly, addition of half an equivalent of I-2 or ICl, respectively, gave the desired products upon crystallization at low temperature. The non-stoichiometric octahalide [I3.6Cl4.4](2-) was obtained after heating a CH2Cl2 solution of the ICl2- salt to reflux for 2 hours followed crystallization. [I4Cl4](2-) is best described as two ICl2- anions bridged by I-2, whereas [I3Cl5](2-) is best described as an [I2Cl3](-) pentahalide with a weak halogen bond to an ICl2- trihalide. The octahalides were characterized by X-ray crystallography, computational studies, Raman and Far-IR spectroscopies, as well as by TGA and melting point.

引用

页码：11650 / 11658

页数：9

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