The Lithium Fluoride Tetrafluoroborate Li 2 F[BF 4 ] | Zendy

Pilz Thomas | Zendy; Schleid Thomas | Zendy; Jansen Martin | Zendy

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The Lithium Fluoride Tetrafluoroborate Li 2 F[BF 4 ]

Author(s) -

Pilz Thomas,

Schleid Thomas,

Jansen Martin

Publication year - 2013

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.201300525

Subject(s) - tetragonal crystal system , boron , crystallography , lithium (medication) , lithium borate , chemistry , cationic polymerization , fluoride , tetrafluoroborate , tetrahedron , fluorine , inorganic chemistry , cristobalite , crystal structure , materials science , borate glass , medicine , ionic liquid , quartz , organic chemistry , catalysis , endocrinology , composite material , biochemistry

Colorless Li 2 BF 5 (better: Li 2 F[BF 4 ]) was obtained by partial decomposition of Li[BF 4 ] in a closed silica ampoule. It crystallizes in the tetragonal space group I 4 1 / amd with the lattice parameters a = 512.8(2) pm and c = 1326.6(4) pm ( c / a = 2.587). Lithium is sixfold and boron fourfold coordinated by fluorine at distances of about 210 pm (6 ×) and 139 pm (4 ×), respectively. A cristobalite ‐type cationic framework 3D‐{[(F1)Li 4/2 ] + } of vertex‐sharing [(F1)Li 4 ] 3+ tetrahedra embeds the isolated tetrahedral [B(F2) 4 ] – anions.

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