Issue 12, 2012

Temperature-controlled reduction of Cu(ii) and structural transformation on the assembly of coordination network

Abstract

A novel twofold interpenetrating three-dimensional mixed-valence copper coordination polymer {[CuI2CuII(adtp)(bpy)2]·4H2O}n (1) and a two-dimensional divalence copper layer structure {[CuII4(adtp)2(bpy)3(H2O)2]·3DMF·13H2O}n (2) were solvothermally synthesized from an identical starting mixture at different temperatures. Temperature-control over the structural transformation from 2 to 1 has been studied in detail. Lower temperatures at 65–80 °C favor the formation of 2, while higher temperature at 85 °C prefers to produce 1. Complex 2 in mother solution at 85 °C will completely transform into 1, concomitant with the reduction of some of the Cu2+ ions over 48 h. TG and magnetic properties of the two complexes are all measured and discussed in detail.

Graphical abstract: Temperature-controlled reduction of Cu(ii) and structural transformation on the assembly of coordination network

Supplementary files

Article information

Article type
Paper
Submitted
03 Jan 2012
Accepted
16 Mar 2012
First published
27 Apr 2012

CrystEngComm, 2012,14, 4181-4187

Temperature-controlled reduction of Cu(II) and structural transformation on the assembly of coordination network

J. Ma, F. Jiang, L. Chen, M. Wu, S. Zhang, K. Xiong, D. Han and M. Hong, CrystEngComm, 2012, 14, 4181 DOI: 10.1039/C2CE00004K

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