3 years ago

A one-dimensional Mn(II)-based metal organic oxide: structure and properties

Fa-Nian Shi, M. S. Reis, Jun Gao, Miao Lu, Yi-Wen Bai, C. Cruz

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.

Publisher URL: https://link.springer.com/article/10.1007/s11243-017-0165-5

DOI: 10.1007/s11243-017-0165-5

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