Issue 36, 2014
From the journal:

CrystEngComm

Interchain relay of antiferromagnetic ordering in 1D Co(ii) coordination polymers via π–π interactions†

Musheer Ahmad,a   Raja Das,bc   Jerzy Mrozinski,d   Alina Bienko,d   Pankaj Poddarbc  and  Parimal K. Bharadwaj*a  

* Corresponding authors

a Department of Chemistry, Indian Institute of Technology, Kanpur, UP 208016, India
E-mail: pkb@iitk.ac.in

b Academy of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110 001, India

c Physical and Materials Chemistry Division, CSIR–National Chemical Laboratory, Dr Homi Bhabha Road, Pune 411 008, India

d Faculty of Chemistry, University of Wroclaw, 14 F. Joliot–Curie Street, 50-383 Wrocław, Poland

Abstract

Two new Phen-Co(II) complexes bridged by a hydroxyl isophthalate ligand, {[Co(dimphen)(HIA)]·H2O}n (1) and {[Co(phen)(HIA)]·H2O}n (2) (dimphen = 2,9-dimethyl-1,10-phenanthroline, phen = 1,10-phenanthroline, HIA = 5-hydroxyisophthalic acid), have been synthesized by carefully tuning the basicity of the reaction medium. In addition to single-crystal X-ray crystallography, the complexes were also characterized by IR spectroscopy, thermogravimetric and elemental analyses. Structurally, both complexes are 1D zigzag polymers with different metal nuclearities. Variable-temperature magnetic susceptibility measurements revealed ferromagnetic coupling within the chain while antiferromagnetic ordering is propagated in parallel running interchain via π–π interactions at low temperature.

Graphical abstract: Interchain relay of antiferromagnetic ordering in 1D Co(ii) coordination polymers via π–π interactions

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Article information

DOI
https://doi.org/10.1039/C4CE01010H
Article type
Paper
Submitted
14 May 2014
Accepted
14 Jul 2014
First published
14 Jul 2014

CrystEngComm, 2014,16, 8523-8530

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Interchain relay of antiferromagnetic ordering in 1D Co(II) coordination polymers via π–π interactions

M. Ahmad, R. Das, J. Mrozinski, A. Bienko, P. Poddar and P. K. Bharadwaj, CrystEngComm, 2014, 16, 8523 DOI: 10.1039/C4CE01010H

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