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Issue 12, 2014
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New type of complex alkali and alkaline earth metal borates with isolated (B12O24)12− anionic group

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Abstract

Compounds with isolated anionic groups often exhibit special linear and nonlinear optical properties and possess potential applications such as birefringence, second harmonic generation and stimulated Raman scattering crystals. In this paper, two new alkali and alkaline earth mixed-metal borates, Li3KB4O8 and LiNa2Sr8B12O24F6Cl, with isolated (B12O24)12− anionic groups have been successfully synthesized by spontaneous crystallization. Their structures were determined by single crystal X-ray diffraction and they both crystallize in the same space group, R[3 with combining macron]. More interestingly, further structure comparison shows that the discovered anhydrous borates with the (B12O24)12− groups also crystallize in the same space group R[3 with combining macron], which is related with the local symmetry of the (B12O24)12− groups. These structural features suggest that the crystal structures of the family of compounds depend more on their anionic groups. In addition, the property characterizations of the two new borates were investigated by TG-DSC, IR and UV-vis-NIR diffuse reflectance.

Graphical abstract: New type of complex alkali and alkaline earth metal borates with isolated (B12O24)12− anionic group

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Publication details

The article was received on 04 Nov 2013, accepted on 11 Dec 2013 and first published on 19 Dec 2013


Article type: Paper
DOI: 10.1039/C3DT53115E
Citation: Dalton Trans., 2014,43, 4886-4891
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    New type of complex alkali and alkaline earth metal borates with isolated (B12O24)12− anionic group

    H. Wu, H. Yu, S. Pan, A. Jiao, J. Han, K. Wu, S. Han and H. Li, Dalton Trans., 2014, 43, 4886
    DOI: 10.1039/C3DT53115E

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