Polyhalide Ions (Br82- and I2Br62-) and Chains (•••Br3-•••Br2••• and •••IBr4-•••) Stabilised by Using Cu(dafone)32+ as Counter Ion (dafone=4,5-Diazafluoren-9-one)

被引：19

作者：

Babu, Ramavath ^{[1
]}

Bhargavi, Govindugari ^{[1
]}

Rajasekharan, Melath V. ^{[1
]}

机构：

[1] Univ Hyderabad, Sch Chem, Hyderabad 500046, Andhra Pradesh, India

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2015年 / 28期

关键词：

Polybromide chains; Iodobromides; Dafone; EPR spectroscopy; X-ray diffraction; Polyhalides; CRYSTAL-STRUCTURE; POLYBROMIDE ANIONS; X-RAY; TEMPERATURE-DEPENDENCE; POLYIODIDE NETWORKS; TRANSITION-METALS; IODINE BROMINE; RAMAN-SPECTRA; COMPLEXES; EPR;

D O I：

10.1002/ejic.201500370

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new iodobromides [I2Br62- (analogue of I-8(2-) and Br-8(2-)) and IBr4- (analogue of Br-5(-) and I2Br3-)] and new chains formed from Br-3(-), Br-2 and IBr4- have been obtained in three compounds all containing the same Cu-II tris-chelate cation Cu(dafone)(3)(2+) {[Cu(dafone)(3)](Br-3)(Br-5) (1), [Cu(dafone)(3)](Br-5)(Br-8)(0.5)CH3CN (2) and [Cu(dafone)(3)](IBr4)(I2Br6)(0.5)CH3CN (3)} by a procedure employing bromine, iodine, Cu-II bromide and dafone in acetonitrile. The formation of chains and isolated polyhalide ions is facilitated by templating with the tris-chelate cation. The Raman spectra of the polyhalides and EPR and other spectral characteristics of the fluxional Cu-II complex cation are presented.

引用

页码：4689 / 4698

页数：10

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