Issue 14, 2017

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

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

Supplementary files

Article information

Article type
Paper
Submitted
03 Apr 2017
Accepted
06 Jun 2017
First published
07 Jun 2017

New J. Chem., 2017,41, 6785-6794

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, 41, 6785 DOI: 10.1039/C7NJ01058C

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