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Issue 17, 2016
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M2Ca3B16O28 (M = Rb, Cs): structures analogous to SBBO with three-dimensional open-framework layers

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Abstract

Two isostructural alkali calcium borates, M2Ca3B16O28 (M = Rb, Cs) have been successfully synthesized by the flux method. The two compounds crystallize in the monoclinic space group C2/c (no. 15) and feature three-dimensional open-framework layers. The M+ (M = Rb, Cs) cations occupy in-layer three-dimensional micro-pores, and the Ca2+ cations bridge the layers to form the three-dimensional network. Based on the structure analysis, it is found that M2Ca3B16O28 (M = Rb, Cs) compounds have a similar structure to that of Sr2Be2B2O7. In addition, spectroscopic properties and first-principle calculations have been carried out on the title compounds.

Graphical abstract: M2Ca3B16O28 (M = Rb, Cs): structures analogous to SBBO with three-dimensional open-framework layers

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Supplementary files

Article information


Submitted
10 Oct 2015
Accepted
13 Jan 2016
First published
03 Feb 2016

RSC Adv., 2016,6, 14205-14210
Article type
Paper
Author version available

M2Ca3B16O28 (M = Rb, Cs): structures analogous to SBBO with three-dimensional open-framework layers

X. Zhang, D. Li, H. Wu, Z. Yang and S. Pan, RSC Adv., 2016, 6, 14205
DOI: 10.1039/C5RA21011A

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