Solvent control on the structural versatility and properties of manganese(II) complexes surrounded by the flexible hinge-like ligand |
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| Authors: | Ryuta Ishikawa Koichi Yamada Seigo Yamauchi Ryo Miyamoto Satoshi Kawata |
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| Affiliation: | 1. Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan;2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Aoba-ku, Katahira 2-1-1, Sendai 980-8577, Japan;3. Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki University, Bunkyo-cho, Hirosaki, Aomori 036-856, Japan;4. Department of Chemistry, Faculty of Science, Fukuoka University, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan |
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| Abstract: | Four different types of polynuclear manganese(II) compounds with bhnq2? bridges were obtained from the reaction of Mn(CH3COO)2·4H2O with the flexible hinge-like ligand H2bhnq (H2bhnq = 2,2′-bi(3-hydroxy-1,4-naphthoquinone)) by controlling the reaction solvent: Mn3(bhnq)3(H2O)2]·10.5H2O (1), Mn2(bhnq)2(DMSO)4]·2DMSO·CHCl3 (2), {Mn(bhnq)(H2O)2]·2H2O}n (3), and {Mn(bhnq)(DMF)2]}n (4). All complexes are neutral with the same Mn/bhnq 1:1 formulation ratio. Compounds 1 and 2 are discrete systems, while compounds 3 and 4 are one-dimensional ones. All compounds were characterized by X-ray diffraction and show different coordination modes for the bhnq2? ligand. |
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