5 years ago

Structural Design of Two Fluorine–Beryllium Borates BaMBe2(BO3)2F2 (M = Mg, Ca) Containing Flexible Two-Dimensional [Be3B3O6F3]∞ Single Layers without Structural Instability Problems

Structural Design of Two Fluorine–Beryllium Borates BaMBe2(BO3)2F2 (M = Mg, Ca) Containing Flexible Two-Dimensional [Be3B3O6F3]∞ Single Layers without Structural Instability Problems
Shu Guo, Xiaoyang Wang, Xingxing Jiang, Zhi Fang, Mingjun Xia, Chuangtian Chen, Ruofei Wu, Lijuan Liu, Qian Huang, Zheshuai Lin
Two fluorine−beryllium borates, BaMBe2(BO3)2F2 (M = Mg, Ca), have been rationally designed to overcome the structural instability problems of Sr2Be2B2O7 (SBBO). The crystal structures of both materials exhibit flexible two-dimensional [Be3B3O6F3] single layers, which are derived from the [Be6B6O15] double layers of SBBO. By introducing the relatively larger Ba atoms into the spaces of [Be3B3O6F3] single layers, we successfully broke the space-limited double layers of SBBO and resolved its structural instability problems.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01627

DOI: 10.1021/acs.inorgchem.7b01627

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