Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 80, Issue -, Pages 23-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2017.04.003
Keywords
Metal-organic frameworks; Triazole; Magnetic properties; Spin canting
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Funding
- National Natural Science Foundation of China [21373162, 21673180, 21473135]
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Two isostructural COII and Mn-II metal-organic frameworks (MOFs), {[M-2(tztr)(2)(H2O)]center dot CH3CN center dot H2O}(n) (M = Co-II for 1 and Mn-II for 2), have been successfully synthesized based on a semi-rigid 3-(tetrazol-5-yl)triazole (H(2)tztr) ligand. Crystal structure analyses reveal that the complexes possess three-dimensional (3D) frameworks featuring two types of interesting 1D zig-zag and linear metal chains. Magnetic measurements reveal that the special bridge within the double chains of complex 1 provides unexpected spin canting, long-range antiferromagnetic ordering and relaxation dynamics. Whereas the isostructural 2 displays normal antiferromagnetic coupling. (C) 2017 Elsevier B.V. All rights reserved.
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