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Título

A square two-dimensional polymer of cobalt citrate cubanes

AutorFalvello, Larry R.; Forcén-Vázquez, E.; Mayoral, Isabel; Tomás, Milagros ; Palacio, Fernando
Fecha de publicaciónnov-2011
EditorInternational Union of Crystallography
Wiley-Blackwell
CitaciónActa Crystallographica Section C 67(11): m359-m363 (2011)
ResumenThe structure of the title complex, poly[dicaesium(I) hexaaquacobalt(II) [octaaquatetra--citrato-hexacobalt(II)] dodecahydrate], {Cs2[Co(H2O)6][Co6(C6H4O7)4(H2O)8]·12H2O}n, at 100 (1) K is formed by layers of a square two-dimensional polymer composed of CoII citrate cubanes bridged by magnetically active six-coordinate CoII cations. The polymer has plane symmetry p4mm in the c-axis projection. The cubanes reside on sites of crystallographic symmetry , while the bridging CoII 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 ) 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.
Descripción5 páginas, 4 figuras, 2 tablas.
Versión del editorhttp://dx.doi.org/10.1107/S0108270111043587
URIhttp://hdl.handle.net/10261/47625
DOI10.1107/S0108270111043587
ISSN0108-2701
E-ISSN1600-5759
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