期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 27, 期 38, 页码 9753-9757出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202101321
关键词
Borates; congruently melting; fluorooxoborates; heteroanionic units; micro-symmetry
资金
- Xinjiang Key Laboratory of Electronic Information Materials and Devices [2020D04013]
- National Natural Science Foundation of China [52002397]
- Xinjiang Tianshan Youth Program-Outstanding Young Science and Technology Talents [2019Q026]
- International Partnership Program of CAS [1A1365KYSB20200008]
- CAS President's International Fellowship Initiative [2020DC0006]
- Science and Technology Service Network Initiative of CAS [KFJ-STS-QYZD-130]
- Western Light Foundation of CAS [Y92S191301]
A new congruently melting mixed-anion compound Cs4B4O3F10 with [BF4] involving heteroanionic units has been characterized. It shows the lowest melting point among all available borates, setting a new record for such systems. This work enriches and tailors the structure of borate using perfluorinated [BF4] units.
Herein, a new congruently melting mixed-anion compound Cs4B4O3F10 has been characterized as the first fluorooxoborate with [BF4] involving heteroanionic units. Compound Cs4B4O3F10 possesses two highly fluorinated anionic clusters and therefore its formula can be expressed as Cs-3(B3O3F6) . Cs(BF4). The influence of [BF4] units on micro-symmetry and structural evolution was discussed based on the parent compound. More importantly, Cs4B4O3F10 shows the lowest melting point among all the available borates and thus sets a new record for such system. This work is of great significance to enrich and tailor the structure of borates using perfluorinated [BF4] units.
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