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Syntheses and crystal structures of two new coordination polymers of Cd(II) using organic spacer and inorganic-bridging ligands

Ghosh, A.K., Ghoshal, D., Drew, M.G.B., Mostafa, G. and Chaudhuri, N.R. (2006) Syntheses and crystal structures of two new coordination polymers of Cd(II) using organic spacer and inorganic-bridging ligands. Structural Chemistry, 17 (1). pp. 85-90. ISSN 1040-0400

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To link to this item DOI: 10.1007/s11224-006-9017-1

Abstract/Summary

Two new cadmium (II) complexes [Cd(hmt)(dca)(2)] (n) (1) and [Cd-3(hmt)(2)(SeCN)(6)(H2O)(2)] (n) (2) (hmt=hexamethylenetetramine, dca=dicyanamide) have been synthesized and characterized by X-ray single-crystal analysis. The complex 1 is a 2D rectangular grid of octahedral cadmium (II) with CdN6 chromophore where cadmium centers are doubly bridged by dicyanamide and hmt along a-axis, which are interlinked by dicyanamide running along c-axis. Whereas, complex 2 is a 1D chain of octahedral cadmium (II) with a three-leg ladder topology running along a-axis. The Cd(II) centers are doubly bridged through SeCN (infinite rail) along a-axis and singly bridged by hmt (two-step rung) along c-axis, having cadmium centers with CdSe2N3O and CdSe2N4 chromophores. The adjacent chains through H-bonding between coordinated water and hmt, and (SeSe)-Se-... interaction are extended to 2D supramolecular architecture.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11269
Uncontrolled Keywords:cadmium( II), coordination polymer, crystal structure, Se center dot center dot center dot Se interaction , MAGNETIC-BEHAVIOR, SUPRAMOLECULAR SYNTHONS, SELENIUM ATOMS, CADMIUM(II), COMPLEXES, MANGANESE(II), CONSTRUCTION, DICYANAMIDE, NETWORKS, LADDER

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