Issue 70, 2017

Cyanide vs. azide “magnetic arm wrestling”: MnII–NbIV and MnII–MoIV magnetic coordination polymers with mixed bridging

Abstract

Two magnetic coordination polymers with mixed cyanide–azide bridging based on octacyanoniobate(IV) and octacyanomolybdate(IV) are reported: {(NH4)[(H2O)MnII-(μ-N3)-MnII(H2O)][MIV(CN)8]·3H2O}n Mn2MN3 (M = Nb or Mo). Cyanide ligands form the 3-D framework of Mn2MN3, while azide ligands connect two MnII centres together. Both CN and N3 are known in magnetochemistry for their marked magnetic coupling abilities which in the case of Mn2NbN3 lead to competitive antiferromagnetic interactions within the NbIV–CN–MnII and MnII–N3–MnII structural motifs. This competition results in a peculiar magnetic behaviour consistent with a non-collinear magnetic structure.

Graphical abstract: Cyanide vs. azide “magnetic arm wrestling”: MnII–NbIV and MnII–MoIV magnetic coordination polymers with mixed bridging

Supplementary files

Article information

Article type
Communication
Submitted
10 Jul 2017
Accepted
07 Aug 2017
First published
07 Aug 2017

Chem. Commun., 2017,53, 9753-9756

Cyanide vs. azide “magnetic arm wrestling”: MnII–NbIV and MnII–MoIV magnetic coordination polymers with mixed bridging

G. Handzlik, M. Kozieł, A. Olejniczak, B. Sieklucka and D. Pinkowicz, Chem. Commun., 2017, 53, 9753 DOI: 10.1039/C7CC05319C

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