A paddlewheel dinuclear Cu(II) compound coordinated with TTF-py redox ligand |
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| Authors: | Qin-Yu Zhu Yu Liu Zhe-Jun Lu Jin-Po Wang Li-Bin Huo Yu-Rong Qin Jie Dai |
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| Affiliation: | 1. Department of Chemistry & Key Laboratory of Organic Synthesis of Jiangsu Province, Soochow University, Renai Road 199, Suzhou 215123, PR China;2. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, PR China |
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| Abstract: | A new paddlewheel dinuclear complex with a pyridyl-tetrathiafulvalene (TTF-py) ligand has been obtained and characterized crystallographically as [(DMT-TTF-py)2Cu2(OAc)4]·2C6H6 (1). Meanwhile a mononuclear compound [(DMT-TTF-py)2Cu(PhCOO)2(CH3OH)2]·2CH2Cl2 (2) was also isolated. UV–vis spectra and cyclic voltammogram of the paddlewheel complex were studied, showing that compound 1 can undergo an oxidization to form a stable cation of [(DMT-TTF-py)2Cu2(OAc)4]2+. By this strategy, compound 3, [(DMT-TTF-py)2Cu2(OAc)4](I3)2 as a radical salt, has been prepared and its conductivity of powder sample was 1.02 × 10?3 ohm?1 cm?1. Antiferromagnetic coupling of Cu(II)–Cu(II) was found from the results of ESR spectra, but the coupling between the radical–Cu(II) was very weak. |
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