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Pb3Ba3Zn6(BO3)8 and α-BaZn2(BO3)2: new members of the zincoborates containing two different dimensional Zn–O units

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Abstract

Two new zincoborates, namely, Pb3Ba3Zn6(BO3)8 and α-BaZn2(BO3)2, were synthesized by the high-temperature solution method and their structures were determined by single-crystal X-ray diffraction for the first time. The structure of Pb3Ba3Zn6(BO3)8 can be described as a three-dimensional framework consisting of [Zn4B2O15] chains and isolated ZnO4 tetrahedra and BO3 triangles, which contains three different types of tunnels with Pb2+ and Ba2+ cations residing among them. α-BaZn2(BO3)2 exhibits a two-dimensional layered structure with a [Zn2B2O6] layer, which is formed by [ZnBO4] chains and [Zn2B2O8] chains. Interestingly, both Pb3Ba3Zn6(BO3)8 and α-BaZn2(BO3)2 both contain two different dimensional Zn–O configurations in their structures, which has not been found in other zincoborates. In addition, thermal property analysis, and UV-vis-NIR diffuse reflectance and infrared spectroscopy were also performed. First-principles theoretical studies were also conducted to aid the understanding of their band structures and densities of states.

Graphical abstract: Pb3Ba3Zn6(BO3)8 and α-BaZn2(BO3)2: new members of the zincoborates containing two different dimensional Zn–O units

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Publication details

The article was received on 01 Sep 2019, accepted on 06 Oct 2019 and first published on 10 Oct 2019


Article type: Research Article
DOI: 10.1039/C9QI01122F
Inorg. Chem. Front., 2019, Advance Article

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    Pb3Ba3Zn6(BO3)8 and α-BaZn2(BO3)2: new members of the zincoborates containing two different dimensional Zn–O units

    X. Pan, H. Wu, S. Cheng and Z. Wang, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QI01122F

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