Interchain relay of antiferromagnetic ordering in 1D Co(ii) coordination polymers via π-π Interactions

Musheer Ahmad, Raja Das, Jerzy Mrozinski, Alina Bienko, Pankaj Poddar, Parimal K. Bharadwaj

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

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. This journal is

Original languageEnglish
Pages (from-to)8523-8530
Number of pages8
JournalCrystEngComm
Volume16
Issue number36
DOIs
Publication statusPublished - 28 Sep 2014
Externally publishedYes

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