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Issue 7, 2014
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Li0.8Mg2.1B2O5F: the first borate fluoride with magnesium–oxygen–fluorine octahedral chains

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Abstract

The first alkali metal and magnesium mixed borate fluoride, Li0.8Mg2.1B2O5F, was prepared by the high-temperature solution method. It crystallizes in the monoclinic space group P21/n (no. 14) with lattice constants a = 3.0881(4) Å, b = 13.6020(2) Å, c = 9.6563(1) Å, β = 91.744(9)°, Z = 4. In the structure, a special magnesium–oxygen–fluorine octahedral chain is found in borates for the first time. The octahedral chains are linked into a three-dimensional framework containing tunnels with 1[LiO4]7− chains and isolated B2O5 groups filling in. The differences of octahedral chains in Li0.8Mg2.1B2O5F and magnesium inosilicate minerals are discussed. The TG-DSC curves, IR spectrum and UV-Vis-NIR diffuse reflectance spectrum were measured.

Graphical abstract: Li0.8Mg2.1B2O5F: the first borate fluoride with magnesium–oxygen–fluorine octahedral chains

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Publication details

The article was received on 19 Sep 2013, accepted on 06 Nov 2013 and first published on 08 Nov 2013


Article type: Paper
DOI: 10.1039/C3DT52592A
Citation: Dalton Trans., 2014,43, 2828-2834
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    Li0.8Mg2.1B2O5F: the first borate fluoride with magnesium–oxygen–fluorine octahedral chains

    Z. Wang, M. Zhang, S. Pan, Y. Wang, H. Zhang and Z. Chen, Dalton Trans., 2014, 43, 2828
    DOI: 10.1039/C3DT52592A

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