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Issue 10, 2015
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Magnetic ordering in TCNQ-based metal–organic frameworks with host–guest interactions

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Abstract

Host–guest interactions between the aromatic molecules benzene, toluene, aniline and nitrobenzene and the redox-active TCNQ-based metal–organic framework (MOF), Fe(TCNQ)(4,4′-bpy) (1) (TCNQ = 7,7,8,8-tetracyanoquinodimethane), have been found to modulate spontaneous magnetization behaviours at low temperatures. An analogous MOF, Mn(TCNQ)(4,4′-bpy) (2) with isotropic Mn(II) ions as well as the two-dimensional compound Fe(TCNQ)(DMF)2·2DMF (3·2DMF), were also prepared as models for studying the effects of single-ion magnetic anisotropy and structural distortion on spin canting. The results indicate guest-dependent long range magnetic ordering occurs at low temperatures, which correlates with the electrostatic and steric effects of the incorporated aromatic guests.

Graphical abstract: Magnetic ordering in TCNQ-based metal–organic frameworks with host–guest interactions

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Supplementary files

Article information


Submitted
24 Jul 2015
Accepted
25 Aug 2015
First published
03 Sep 2015

Inorg. Chem. Front., 2015,2, 904-911
Article type
Research Article
Author version available

Magnetic ordering in TCNQ-based metal–organic frameworks with host–guest interactions

X. Zhang, M. R. Saber, A. P. Prosvirin, J. H. Reibenspies, L. Sun, M. Ballesteros-Rivas, H. Zhao and K. R. Dunbar, Inorg. Chem. Front., 2015, 2, 904 DOI: 10.1039/C5QI00128E

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