A one-dimensional Mn(II)-based metal organic oxide: structure and properties |
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| Authors: | Fa-Nian Shi Yi-Wen Bai Miao Lu C Cruz M S Reis Jun Gao |
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| Institution: | 1.School of Science,Shenyang University of Technology,Shenyang,People’s Republic of China;2.Instituto de Física,Universidade Federal Fluminense,Niterói,Brazil;3.College of Chemical and Environmental Engineering,Shandong University of Science and Technology,Qingdao,People’s Republic of China |
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| Abstract: | A one-dimensional metal organic oxide of Mn(II), with formula Mn3(OH)2(Hpdc)2]n (H3pdc = 3,5-pyrazoledicarboxylic acid), was prepared via the hydrothermal method and its structure solved by single-crystal X-ray diffraction. The compound exhibits a three-dimensional framework structure, comprising three crystallographically unique Mn atoms bridged by OH ligands (O9 and O10) and O atoms from the Hpdc ligands, forming one-dimensional metal–organic oxide chains. Two kinds of magnetic exchange are observed: a strong antiferromagnetic intra-chain interaction, arising from the short distance between Mn(II) centers, and a ferromagnetic inter-chain interaction, due to the larger distances between the chains. The compound shows good photocatalytic activity for the decomposition of methylene blue in aqueous medium under simulated sunlight. |
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