Solvothermal Syntheses, Crystal Structures, and Properties of New [Mn( dien )2]2+ Complexes |
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| Authors: | Jan Ellermeier and Wolfgang Bensch |
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| Institution: | (1) Institute of Chemistry and Chemical Engineering, Jinan University, No.106, Jiwei Road, Jinan, 250022, Shandong, P.R. China;(2) Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, P.R. China |
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| Abstract: | The two new compounds Mn(dien)2MoS4] (1) and Mn(dien)2Mo2O2S6] (2) (dien = diethylenetriamine) were prepared under solvothermal conditions. Both compounds were obtained as phase-pure products. The structures consist of new Mn(dien)2]2+ cations and isolated tetrahedral MoS4]2− (1) or Mo2O2S6]2− (2) anions. Between the anions and the cations, hydrogen bonding is observed. Compound 1 crystallizes in the tetragonal space group I (a = 10.219(2), c = 9.259(2) ?, Z = 2), whereas 2 crystallizes in the monoclinic space group P21/c (a = 8.703(2), b = 18.390(4), c = 14.603(3) ?, β = 103.18(3)°, Z = 4). The thermal behaviour of the thiomolybdates was investigated using difference thermoanalysis (DTA) and thermogravimetry (TG). Both compounds decompose under argon with a single endothermic signal in the DTA curve (peak maximum: 252 (1) and 242°C (2)). |
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