X-Ray and EPR study on copper (II) complexes with an enamine ligand |
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| Authors: | Anife Ahmedova Maria G. F. Vaz Samuele Ciattini Georgi Gochev Andrea Caneschi Mariana Mitewa |
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| Affiliation: | (1) Department of Chemistry, University of Sofia, 1, J. Bourchier av., 1126 Sofia, Bulgaria;(2) Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 1-50019 Sesto Fiorentino (FI), Italy;(3) Instituto de Quimica de Departamento de Quimica Geral e Inorganica, Universidade Federal Fluminense, Outeiro de S. Joao Batista, s/n, 24020-150 Niteri, RJ, Brazil;(4) INSTM Research Unit, Sesto Fiorentino (FI), Italy |
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| Abstract: | The enamine (HEAID) obtained from aniline and 2-acetyl-1,3-indandione (2AID) behaves as a bidentate ligand in coordination with copper (II) ion. Two types of crystals, apparently different in shape, were isolated and studied by single-crystal X-ray diffraction. The X-ray data for the brown rhombic crystals of compound 1 shows a mononuclear complex of Cu(II) coordinated with two EAID-anions, Cu(EAID)2. The X-ray data for the green crystals of compound 2 shows a dinuclear Cu(II) complex with two OH− groups acting as bridging ligands, [Cu2(μ-OH)2(EAID)2]. In both cases the ligand coordinates after deprotonation of the amine group. |
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| Keywords: | X-ray structure EPR Cu(II) complexes enamine of 2-Acetyl-1,3-indandione |
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