One-dimensional metal-organic framework with unprecedented heptanuclear copper units |
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Authors: | Ferrer Sacramento Aznar Elena Lloret Francesc Castiñeiras Alfonso Liu-González Malva Borrás Joaquín |
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Affiliation: | Departament de Química Inorgànica, Universitat de València, 46100 Burjassot, Valencia, Spain. sacramento.ferrer@uv.es |
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Abstract: | The reaction of copper(II) sulfate, copper(II) chloride, 3,5-diacetylamino-1,2,4-triazole, and 3-acetylamino-5-amino-1,2,4-triazole in water yields green, plate-shaped crystals of [[{Cu3(mu3-OH(1/2))L(H2O)2Cl}2{mu-Cu(H2O)2Cl2}].12H2O]n (1), where L is a new triazole-derived macrocyclic ligand. The structure of 1 consists of heptanuclear (H)OCuII(3)-CuII-CuII(3)O(H) entities linked in pairs through symmetric mu3-O...H...O-mu3 hydrogen bonds to form a double-stranded one-dimensional network. A significant overall antiferromagnetic behavior has been observed for 1. |
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