Polynuclear cobalt(II/III) sulfites:: Synthesis, structure, and magnetic properties of the octanuclear cluster (NH4)11(Li⊂[Co4IICo4III(SO3)16(NH3)8])•10H2O encapsulating a lithium cation

被引：27

作者：

Chilas, George I. ^{[2
]}

Stylianou, Marios ^{[3
]}

Kubicki, Maciej ^{[4
]}

Vaimakis, Tiverios ^{[2
]}

Koegerler, Paul ^{[1
]}

Keramidas, Anastasios D. ^{[3
]}

Kabanos, Themistoklis A. ^{[2
]}

机构：

[1] Rhein Westfal TH Aachen, D-52074 Aachen, Germany

[2] Univ Ioannina, Dept Chem, Sect Inorgan & Analyt Chem, GR-45110 Ioannina, Greece

[3] Univ Cyprus, Dept Chem, CY-1678 Nicosia, Cyprus

[4] Adam Mickiewicz Univ, PL-60780 Poznan, Poland

来源：

INORGANIC CHEMISTRY | 2008年 / 47卷 / 11期

关键词：

D O I：

10.1021/ic8004213

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Partial oxidation of an aqueous solution of (CoCl2)-Cl-II center dot 6H(2)O with (NH4)(6)[(Mo7O24)-O-VI]center dot 4H(2)O in the presence of (NH4)(2)SO3 center dot H2O and LiCl, at pH approximate to 5.3, leads to isolation of the octanuclear cluster (NH4)(11)(Li subset of[(Co4Co4III)-Co-II(SO3)(16)(NH3)(8)]center dot 10H(2)O), 1. The structure of the anion of 1 consists of a central [CO4II], almost ideal square planar unit, and a pair of symmetry-related Co-III dimers above and below the Co-4(II) plane grafting onto the tetramer by 16 bridging sulfite groups. The [Co-8(SO3)(16)(NH3)(8)](12-) cluster encapsulates a lithium cation which lies at the center of the Co4(II) square.

引用

页码：4451 / 4453

页数：3

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