Issue 13, 2013

Ferromagnetic interactions through double hydrogen bonding bridges in manganese(ii) coordination polymers

Abstract

Three isostructural Mn(II) compounds with a zwitterionic dicarboxylate ligand and different pseudohalides were synthesized, and then structurally and magnetically characterized. They are formulated as [Mn(L)(X)2(H2O)2]n [X = N3 (1), NCO (2), NCS (3), L = 1,4-bis(4-carboxylato-1-pyridinium)butane]. In these compounds, adjacent Mn(II) ions are connected into coordination chains by long zwitterionic linkers and into hydrogen-bonded chains by short double O–H⋯N bridges involving coordinated water and pseudohalide ligands. Magnetic studies revealed for the first time that the double hydrogen bridges induce ferromagnetic coupling between the Mn(II) ions.

Graphical abstract: Ferromagnetic interactions through double hydrogen bonding bridges in manganese(ii) coordination polymers

Supplementary files

Article information

Article type
Paper
Submitted
27 Nov 2012
Accepted
14 Dec 2012
First published
17 Dec 2012

Dalton Trans., 2013,42, 4533-4538

Ferromagnetic interactions through double hydrogen bonding bridges in manganese(II) coordination polymers

K. Wang, Y. Wang, X. Zhang and E. Gao, Dalton Trans., 2013, 42, 4533 DOI: 10.1039/C2DT32826G

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