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Structural Variations in Manganese Halide Chain Compounds Mediated by Methylimidazolium Isomers

School of Chemistry and EaStChem, University of St Andrews, St Andrews KY16 9ST, UK
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Crystals 2020, 10(10), 930; https://doi.org/10.3390/cryst10100930
Received: 25 September 2020 / Revised: 8 October 2020 / Accepted: 10 October 2020 / Published: 13 October 2020
(This article belongs to the Special Issue Coordination Polymers: Structure, Bonding and Applications)
The structures of two new hybrid organic–inorganic manganese halide compounds [1MiH]MnCl3(H2O) and [4MiH]MnCl3(H2O) ([1MiH] = 1-methylimidazolium, [4MiH] = 4-methylimidazolium) have been determined by single crystal X-ray diffraction. Both are composed of one dimensional [MnCl3(H2O)]n edge-sharing octahedral chains. The structures are compared to the previously reported isomeric analogue [2MiH]MnCl3(H2O) ([2MiH] = 2-methylimidazolium), and three closely related compounds. The variations in packing of the inorganic chains are shown to be influenced by hydrogen bonding abilities of the imidazolium or related moieties. Both new compounds show intense red luminescence at ambient temperature under UV irradiation. View Full-Text
Keywords: crystal structure; manganese halides; one dimensional; red luminescence crystal structure; manganese halides; one dimensional; red luminescence
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Han, C.; Cordes, D.B.; Slawin, A.M.Z.; Lightfoot, P. Structural Variations in Manganese Halide Chain Compounds Mediated by Methylimidazolium Isomers. Crystals 2020, 10, 930.

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