Cs 4 B 4 O 3 F 10 : First Fluorooxoborate with [BF 4 ] Involving Heteroanionic Units and Extremely Low Melting Point | Zendy

Xia Ming | Zendy; Mutailipu Miriding | Zendy; Li Fuming | Zendy; Yang Zhihua | Zendy; Pan Shilie | Zendy

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Cs 4 B 4 O 3 F 10 : First Fluorooxoborate with [BF 4 ] Involving Heteroanionic Units and Extremely Low Melting Point

Author(s) -

Xia Ming,

Mutailipu Miriding,

Li Fuming,

Yang Zhihua,

Pan Shilie

Publication year - 2021

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.202101321

Subject(s) - melting point , boron , crystallography , ion , materials science , chemistry , organic chemistry , composite material

Herein, a new congruently melting mixed‐anion compound Cs 4 B 4 O 3 F 10 has been characterized as the first fluorooxoborate with [BF 4 ] involving heteroanionic units. Compound Cs 4 B 4 O 3 F 10 possesses two highly fluorinated anionic clusters and therefore its formula can be expressed as Cs 3 (B 3 O 3 F 6 ) ⋅ Cs(BF 4 ). The influence of [BF 4 ] units on micro‐symmetry and structural evolution was discussed based on the parent compound. More importantly, Cs 4 B 4 O 3 F 10 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 [BF 4 ] units.

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