A square two-dimensional polymer of cobalt citrate cubanes

被引：5

作者：

Falvello, Larry R. ^{[1
]}

Forcen-Vazquez, Elena ^{[1
]}

Mayoral, Isabel ^{[2
]}

Tomas, Milagros ^{[3
]}

Palacio, Fernando ^{[2
]}

机构：

[1] Univ Zaragoza, CSIC, Dept Inorgan Chem, ICMA, E-50009 Zaragoza, Spain

[2] Univ Zaragoza, Inst Ciencia Mat Aragon, CSIC, E-50009 Zaragoza, Spain

[3] Univ Zaragoza, CSIC, Dept Inorgan Chem, ISQCH, E-50009 Zaragoza, Spain

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 2011年 / 67卷

关键词：

SINGLE-MOLECULE MAGNET; CRYSTAL-STRUCTURES; CLUSTER; ION;

D O I：

10.1107/S0108270111043587

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The structure of the title complex, poly[dicaesium(I) hexa-aquacobalt(II) [octaaquatetra-mu-citrato-hexacobalt(II)] dodecahydrate], {Cs-2[Co(H2O)(6)][Co-6(C6H4O7)(4)(H2O)(8)]center dot 12H(2)O}(n), at 100(1) K is formed by layers of a square two-dimensional polymer composed of Co-II citrate cubanes bridged by magnetically active six-coordinate Co-II cations. The polymer has plane symmetry p4mm in the c-axis projection. The cubanes reside on sites of crystallographic symmetry (4) over bar, while the bridging Co-II centres lie on twofold axes. The basic polymeric unit has a charge of 4-, balanced by two Cs+ and a [Co(H2O)(6)](2+) (symmetry (4) over bar) cation, which lie in channels between the polymeric layers. Unligated water molecules, of which there are 12 per cubane, enter into an extended intralayer and layer-bridging hydrogen-bond pattern, which can be described in detail even though not all of the H atoms of the water molecules were located.

引用

页码：M359 / M363

页数：5

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