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Solvent-modulation of the structure and dimensionality in lanthanoid-anilato coordination polymers

Abstract

We show the key role that may play the size and shape of the solvent molecules in the dimensionality and structure of a series of lanthanoid-chloranilato coordination polymers. We report the synthesis, structure and magnetic properties of six different coordination polymers prepared with Er(III) and chloranilato (C6O4Cl22- = 3,6-dichloro-2,5-dihydroxy-1,4-benzoquinone) and six different solvents: [Er2(C6O4Cl2)3(H2O)6]·10H2O (1), [Er2(C6O4Cl2)3(FMA)6]·4FMA·2H2O (2) (FMA = formamide = NH2CHO), [Er2(C6O4Cl2)3(DMSO)4]·2DMSO·2H2O (3) (DMSO = dimethy sulfoxide = Me2SO), [Er2(C6O4Cl2)3(DMF)6] (4) (DMF = dimethylformamide = Me2NCHO), [Er2(C6O4Cl2)3(DMA)4] (5) (DMA = dimethylacetamide = Me2NC(Me)O) and [Er2(C6O4Cl2)3(HMPA)(H2O)3]·H2O (6) (HMPA = hexamethylphosphormamide = (Me2N)3PO). We show how the different solvent molecules modulate and determine important structural parameters as the coordination number and geometry, the shape and distortions of the cavities, the presence of solvent molecules in these cavities, the interlayer space and even the dimensionality of the structure.

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Publication details

The article was received on 11 Jan 2018, accepted on 13 Apr 2018 and first published on 16 Apr 2018


Article type: Paper
DOI: 10.1039/C8DT00143J
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Solvent-modulation of the structure and dimensionality in lanthanoid-anilato coordination polymers

    C. J. Gomez Garcia, S. Benmansour, I. Pérez-Herráez, C. Cerezo-Navarrete, G. López-Martínez and C. Martínez-Hernández, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT00143J

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