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Multifunctionality and size of the chloranilate ligand define the topology of transition metal coordination polymers

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Abstract

A series of eight novel complexes of chloranilic acid (CA) with the first-row transition metals (M = Mn, Cr, Ni, Co) were prepared and characterised by single-crystal X-ray diffraction, IR spectroscopy and polycrystalline X-band electron spin resonance (ESR) spectroscopy. All studied complexes revealed distorted octahedral arrangements. Three coordination modes of the chloranilate ligand are observed: bidentate, bis(bidentate) and, a novel one, mono+bidentate bridging, which can easily be distinguished by IR spectra. The size of the metal atom and different modes of chloranilate coordination affect crystal-packing topologies: 0D (mononuclear or dinuclear) and 1D (zig-zag chains or ladder-like chains). However, the ancillary ligands have a minor influence on the topology of the systems studied.

Graphical abstract: Multifunctionality and size of the chloranilate ligand define the topology of transition metal coordination polymers

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Publication details

The article was received on 03 Apr 2017, accepted on 06 Jun 2017 and first published on 07 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ01058C
Citation: New J. Chem., 2017, Advance Article
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    Multifunctionality and size of the chloranilate ligand define the topology of transition metal coordination polymers

    L. Androš Dubraja, K. Molčanov, D. Žilić, B. Kojić-Prodić and E. Wenger, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ01058C

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