Synthesis,structures and electrochemical properties of hydroxyl- and pyridyl-functionalized diiron azadithiolate complexes |
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| Authors: | Hong-Guang Cui Mei Wang Wei-Bing Dong Le-Le Duan Ping Li Li-Cheng Sun |
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| Institution: | 1. State Key Laboratory of Fine Chemicals, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), Zhongshan Road 158-46, Dalian 116012, PR China;2. Department of Chemistry, Royal Institute of Technology (KTH), Stockholm 10044, Sweden |
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| Abstract: | The hydroxyl- and pyridyl-functionalized diiron azadithiolate complexes {(μ-SCH2)2N(CH2CH2OH)}Fe2(CO)6] (1) and {(μ-SCH2)2N(CH2CH2OOCPy)}Fe2(CO)6] (Py = pyridyl) (2) were prepared as biomimetic models of the active site of Fe-only hydrogenases. Both complexes were characterized by MS, IR, 1H NMR spectra and elemental analysis. The molecular structures of 1 and 2 were determined by single crystal X-ray analysis. A network is constructed by intermolecular H-bonds in the crystals of 1. An S?O intermolecular contact was found in the crystals of 2, which is scarcely found for organometallic complexes. Cyclic voltammograms of 1 and 2 were studied to evaluate their redox properties. |
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| Keywords: | Azapropanedithiolate Bioinorganic chemistry Diiron complex Iron-only hydrogenase S?O Intermolecular contact |
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