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Molecules 2011, 16(4), 2871-2883; doi:10.3390/molecules16042871
Article

Cyclic Water Clusters in Tape-Like and Cage-Like Structures

1,2,* , 1, 1 and 1,2
1 College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, China 2 Key Laboratory of Development and Application of Forest Chemicals of Guangxi, Nanning 530006, China
* Author to whom correspondence should be addressed.
Received: 17 February 2011 / Revised: 23 March 2011 / Accepted: 25 March 2011 / Published: 4 April 2011
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Abstract

Controlling the ratio of 2,2′-bpy to benzene-1,3,5-tricarboxylic acid produces two interesting complexes, namely [Co(2,2′-bpy)3] (SO4) 8.5H2O (1) and [Cu2(BTCA) (2,2′-bpy)4] (OH) (2,2′-bpy)0.5·14H2O (2) (H3BTCA = benzene-1,3,5-tricarboxylic acid, 2,2′-bpy = 2,2′-bipyridine). We report the structural evidence in the solid state of discrete lamellar water cluster conformations. These units are found to act as supramolecular glue in the aggregation of cobalt (II) or copper (II) complexes to give three dimensional cage-like networks through hydrogen-bonding. It is interesting that the structure of complex 1 contains a 3D negatively charged cage.
Keywords: complexes; water clusters; negatively charge; host-guest complexes; water clusters; negatively charge; host-guest
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Huang, Q.; Diao, L.; Zhang, C.; Lei, F. Cyclic Water Clusters in Tape-Like and Cage-Like Structures. Molecules 2011, 16, 2871-2883.

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