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Na3B7O11F2: a new sodium-rich fluorooxoborate with a unique [B14O24F4] ring and a short ultraviolet absorption edge

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Abstract

A new sodium-rich fluorooxoborate Na3B7O11F2 features a novel large [B14O24F4] ring formed by two corner-shared [B7O13F2] groups, each containing two [B3O7] anionic units linked by a [BO2F2] group. The band gap of the title compound calculated by using first-principles calculations is 7.69 eV (∼161 nm) and the birefringence refractive index is 0.083 at 193 nm. The results show that it is potentially an excellent deep-ultraviolet (DUV) birefringence crystal.

Graphical abstract: Na3B7O11F2: a new sodium-rich fluorooxoborate with a unique [B14O24F4] ring and a short ultraviolet absorption edge

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Publication details

The article was received on 16 Aug 2018, accepted on 18 Oct 2018 and first published on 18 Oct 2018


Article type: Communication
DOI: 10.1039/C8DT03348J
Citation: Dalton Trans., 2019, Advance Article
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    Na3B7O11F2: a new sodium-rich fluorooxoborate with a unique [B14O24F4] ring and a short ultraviolet absorption edge

    C. Tang, X. Jiang, W. Yin, L. Liu, M. Xia, Q. Huang, G. Song, X. Wang, Z. Lin and C. Chen, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C8DT03348J

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