The size of the metal ion controls the structures of the coordination polymers of benzo-2,1,3-selenadiazole

The products of the combination of benzo-2,1,3-selenenadiazole with chloride salts of divalent Mn, Fe, Co, Ni, and Cd crystallize from DMSO in two distinct structural types. While the smaller ions form infinite chains of metal atoms N,N'-bridged by the heterocycle, the larger ions stabilize inf...

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Bibliographic Details
Published in:CrystEngComm 2013-01, Vol.15 (37), p.7434-7437
Main Authors: Lee, Lucia Myongwon, Elder, Philip J. W., Dube, Paul A., Greedan, John E., Jenkins, Hilary A., Britten, James F., Vargas-Baca, Ignacio
Format: Article
Language:English
Subjects:
Cadmium
Chlorides
Coordination polymers
Crystallization
Derivatives
Iron
Manganese
Nickel
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Summary:The products of the combination of benzo-2,1,3-selenenadiazole with chloride salts of divalent Mn, Fe, Co, Ni, and Cd crystallize from DMSO in two distinct structural types. While the smaller ions form infinite chains of metal atoms N,N'-bridged by the heterocycle, the larger ions stabilize infinite chains of metal atoms bridged by mu super(2) halide ions. In the latter case, two heterocycle molecules cap each metal ion and are able to establish a link to the next chain in the lattice through the [Se-N] sub(2) supramolecular synthon. Despite the large (>9.2 Aa) distance between the [M( mu -Cl) sub(2)] sub( infinity ) chains, the manganese derivative is only paramagnetic.
ISSN:1466-8033
1466-8033
DOI:10.1039/c3ce40752g