Issue 10, 2015

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
24 ⵢⵓⵍ 2015
Accepted
25 ⵖⵓⵛ 2015
First published
03 ⵛⵓⵜ 2015

Inorg. Chem. Front., 2015,2, 904-911

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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