A systematic study of ligand intermolecular interactions in crystals of copper(II) complexes of bidentate guanidino derivatives |
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| Authors: | Michael M. Bishop Leonard F. Lindoy Mary McPartlin Andrew Parkin Oliver T. Thorn-Seshold Peter Turner |
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| Affiliation: | 1. Centre for Heavy Metals Research, School of Chemistry, University of Sydney, NSW 2006, Australia;2. Sydney Grammar School, College Street, Darlinghurst, NSW 2010, Australia;3. Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, UK |
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| Abstract: | The synthesis and X-ray structures of four neutral copper(II) complexes and one cationic complex incorporating bidentate alkyl N-(4-oxo-5,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl)imidocarbamate ligands are reported. The neutral complexes, which possess potential doublet (DA) hydrogen bonding motifs, form supramolecular structures based on synthons involving hydrogen bonding or phenyl embraces. The formation of sheets within the crystal through combination of these synthons, and the occurrence of guest molecules trapped in cavities between the sheets, are described. The cationic complex forms an extended hydrogen-bonded structure that incorporates nitrate ions. The structures of the five complexes are compared with others reported previously for complexes of related ligands. |
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| Keywords: | Crystal engineering Self-assembly Supramolecular Hydrogen bonding Copper(II) |
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