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Issue 11, 2015
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Self-assembly of linear [MnII2MnIII] units with end-on azido bridges: the construction of a ferromagnetic chain using ST = 7 high-spin trimers

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Abstract

The controlled organization of high-spin complexes into 1D coordination polymers is a challenge in molecular magnetism. In this work, we report a ferromagnetic Mn trimer Mn3(HL)2(CH3OH)6(Br)4·Br·(CH3OH)21 (H2L = 2-[(9H-fluoren-9-yl)amino]propane-1,3-diol) with the ground spin state of ST = 7 that can be assembled into a one-dimensional coordination chain [Mn3(HL)2(CH3OH)2(Br)4(N3)(H2O)·CH3OH]2 using azido bridging ligands. Interestingly, the ferromagnetic nature of 1 is well retained in 2. However, due to the negligible magnetic anisotropy in 1, both 1 and 2 do not show slow-relaxation of magnetization, which indicates that during the process of molecular assembly not only the intratrimer magnetic interaction but also the magnetic anisotropy of the trimer can be reserved.

Graphical abstract: Self-assembly of linear [MnII2MnIII] units with end-on azido bridges: the construction of a ferromagnetic chain using ST = 7 high-spin trimers

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Publication details

The article was received on 20 Aug 2014, accepted on 23 Jan 2015 and first published on 30 Jan 2015


Article type: Paper
DOI: 10.1039/C4DT02533D
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Citation: Dalton Trans., 2015,44, 5205-5210

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    Self-assembly of linear [MnII2MnIII] units with end-on azido bridges: the construction of a ferromagnetic chain using ST = 7 high-spin trimers

    Y. Jiang, L. Qin, G. Li, G. Abbas, Y. Cao, G. Wu, T. Han, Y. Zheng and S. Qiu, Dalton Trans., 2015, 44, 5205
    DOI: 10.1039/C4DT02533D

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