Solvent Mediated Hydrogen-bonded Supramolecular Network of a Cu(II) Complex Involving N_2O Donor Ligand and Terephthalate
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The title one-dimensional hydrogen-bonded coordination compound [Cu^(II)(C_(13)H_(17)N_3OBr)(C_8H_5O_4)].2H_2O. CH_3OH has been synthesized and characterized by single crystal X-ray diffraction study. The monomeric unit contains a square-planar Cu^(II) centre. The four coordination sites are occupied by a tridentate anionic Schiff base ligand (4-bromo-2-[(2-piperazin-1-yl-ethylimino)-methyl]-phenol) which furnishes an N_2O-donor set, with the fourth position being occupied by the oxygen atom of an adjacent terephthalate unit. Two adjacent neutral molecules are linked through intermolecular N-H---O and O-H---N hydrogen bonds and generate a dimeric pair. Each dimeric pair is connected with each other via discrete water and methanol molecules by hydrogen bonding to form a one-dimensional supramolecular network.
Abstract
The title one-dimensional hydrogen-bonded coordination compound [Cu^(II)(C_(13)H_(17)N_3OBr)(C_8H_5O_4)].2H_2O. CH_3OH has been synthesized and characterized by single crystal X-ray diffraction study. The monomeric unit contains a square-planar Cu^(II) centre. The four coordination sites are occupied by a tridentate anionic Schiff base ligand (4-bromo-2-[(2-piperazin-1-yl-ethylimino)-methyl]-phenol) which furnishes an N_2O-donor set, with the fourth position being occupied by the oxygen atom of an adjacent terephthalate unit. Two adjacent neutral molecules are linked through intermolecular N-H---O and O-H---N hydrogen bonds and generate a dimeric pair. Each dimeric pair is connected with each other via discrete water and methanol molecules by hydrogen bonding to form a one-dimensional supramolecular network.
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