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Combination effect of ligand and ionic liquid components on the structure and property in manganese metal–organic frameworks

Abstract

Ionothermal reactions of 1,4-benzenedicarboxylic acid (H2BDC) and 4,4'-biphenyldicarboxylic (H2BPDC) with Mn(OAc)2 resulted in 12 compounds divided into four kinds of structural models: [RMI]2[Mn3(BDC)3X2] (1-5, Type A), [EMI]2[Mn3(BPDC)4] (6, Type B), [RMI]2[Mn2(BPDC)3(H2O)3] (7-9, Type C) and [RMI]6[Mn9(BPDC)9(HBPDC)2(OAc)4] (10-12, Type D). A combination effect of ligands and IL components can be observed in the structural construction, which also is reflected in the properties of thermal stability and fluorescence. The decomposition temperatures of Mn-BDC compounds are higher than those of Mn-BPDC compounds. The decomposition temperatures decrease with the alkyl chain in [RMI]+, due to +I inductive effect. The maximum emissions of compounds 1-5 and 6-12 locate at ca. 410 or 407 nm assigned to ILCT of H2BDC and H2BPDC ligands respectively.

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Publication details

The article was received on 02 Jul 2017, accepted on 07 Aug 2017 and first published on 08 Aug 2017


Article type: Paper
DOI: 10.1039/C7CE01216K
Citation: CrystEngComm, 2017, Accepted Manuscript
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    Combination effect of ligand and ionic liquid components on the structure and property in manganese metal–organic frameworks

    Z. Wei, Z. Zhang, M. M. Wang, L. xu, B. Liu and H. Jiao, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE01216K

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