A two-dimensional ReIVAgI compound:: X-ray structure and magnetic properties

被引：31
作者：
Martinez-Lillo, Jose
Armentano, Donatella
De Munno, Giovanni
Lloret, Francesc
Julve, Miguel
Faus, Juan
机构：
[1] Univ Valencia, Fac Quim, Inst Ciencia Mol, Dept Quim Inorgan, E-46100 Valencia, Spain
[2] Univ Calabria, Dipartimento Chim, I-87030 Arcavacata Di Rende, Italy
来源：
CRYSTAL GROWTH & DESIGN | 2006年 / 6卷 / 10期
关键词：
D O I：
10.1021/cg060375h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A heterobimetallic (ReAgI)-Ag-IV sheetlike polymer of formula [Ag2ReCl6](n) (1) has been prepared by reaction between acidified aqueous solutions of [ReCl6](2-) and Ag+ ions. Its structure has been determined by single-crystal X-ray diffraction and its magnetic behavior has been investigated in the temperature range 1.9-250 K. The hexachlororhenate(IV) unit is present in 1 and adopts the hexakis-monodentate coordination mode toward the silver(I) cations, which are three-coordinated, leading to a corrugated two-dimensional structure. Each layer is made up of octahedrons that share all of their edges, with the repeating unit being the single mu-chloro-bridged Re-Ag pair. The magnetic behavior of 1 corresponds to that of a three-dimensional antiferromagnet with a susceptibility maximum at 26 K. Short intra- and interlayer Re-Cl center dot center dot center dot Cl-Re contacts account for this antiferromagnetic ordering.
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页码：2204 / 2206
页数：3
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