Issue 44, 2009

Two 3D chiral coordination polymers with 4-connected 66 topological net: synthesis, structure and magnetic properties

Abstract

The hydrothermal reaction of Co(II)/Cu(II), 5-hydroxyisophthalic acid and dipyridophenazine leads to the generation of two 3D chiral coordination polymers, [M(hip)(DPPZ)]n (M = Co(1), Cu(2), H2hip = 5-hydroxyisophthalic acid, DPPZ = dipyridophenazine), which contain M-hip-M helical chains (M = Co, Cu) and possess a new four-connected 66 topological net. The resulting crystals were not a racemic mixture but an enantiomeric excess, which was confirmed by the measurement of optical rotation of the bulk samples using solid state vibrational circular dichroism (VCD) and solid circular dichroism (CD) based on the large crystals from one crystallization. The magnetic properties of 1 and 2 have been investigated by variable-temperature magnetic susceptibility and magnetization measurements, and the results reveal that antiferromagnetic interactions exist in 1 and 2.

Graphical abstract: Two 3D chiral coordination polymers with 4-connected 66 topological net: synthesis, structure and magnetic properties

Supplementary files

Article information

Article type
Paper
Submitted
07 May 2009
Accepted
22 Aug 2009
First published
11 Sep 2009

Dalton Trans., 2009, 9807-9811

Two 3D chiral coordination polymers with 4-connected 66 topological net: synthesis, structure and magnetic properties

Z. Han, J. Ji, H. An, W. Zhang, G. Han, G. Zhang and L. Yang, Dalton Trans., 2009, 9807 DOI: 10.1039/B909083E

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