Journal
INORGANICA CHIMICA ACTA
Volume 457, Issue -, Pages 34-40Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2016.12.004
Keywords
Quinazoline-type ligand; Dinuclear Co(III) complex; Spectroscopic studies; Crystal structure; Cyclic voltammetry
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Funding
- Fundamental Research Funds for the Gansu Province Universities [214152]
- Natural Science Foundation of Gansu Province in China [1508RJZA082]
- Graduate Student Experimental Innovation and Technology Project of Lanzhou Jiaotong University
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A new dinuclear Co(III) complex, [Co-2(L-1)(2)(L-2)(2)] (HL1 = (E)-1-(2-aminophenyl) ethanone oxime, HL2 = 2-(2-hydroxypheny1)-4-methyl-1,2-dihydroquinazoline 3-oxide, H is the deprotonatable hydrogen) has been synthesized via complexation of Co(II) nitrate hexahydrate with HL1 and HL2. The structure of the Co(III) complex was characterized by infrared, UV-Vis spectroscopy, elemental analysis, and single crystal X-ray crystallography. Elemental analysis was in good agreement with the proposed structure. The spectroscopic data of the Co(III) complex was compared with the ligand HL2. In the crystal structure, each complex links with two other molecules into an infinite 2-D layer supramolecular structure through intermolecular hydrogen bonding and pi center dot center dot center dot pi stacking interactions. Moreover, the electrochemical property of the Co(III) complex was studied by cyclic voltammetry. Electron paramagnetic resonance (EPR) spectroscopy of the dinuclear Co(III) complex was also investigated. In addition, the antimicrobial activity of HL2 and the Co(III) complex were also studied. (C) 2016 Elsevier B.V. All rights reserved.
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