Li 2 B 12 C 2  and LiB 13 C 2 : Colorless Boron‐Rich Boride Carbides of Lithium | Zendy

Vojteer Natascha | Zendy; Hillebrecht Harald | Zendy

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Li 2 B 12 C 2 and LiB 13 C 2 : Colorless Boron‐Rich Boride Carbides of Lithium

Author(s) -

Vojteer Natascha,

Hillebrecht Harald

Publication year - 2005

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200502325

Subject(s) - lithium (medication) , boride , boron , carbide , stoichiometry , crystal structure , materials science , boron carbide , crystallography , inorganic chemistry , mineralogy , metallurgy , chemistry , medicine , organic chemistry , endocrinology

Wade was right : Li 2 B 12 C 2 and LiB 13 C 2 , the first boron‐rich boride carbides of lithium, are (nearly) colorless and stoichiometrically composed. Their crystal structures are characterized by B 12 icosahedra and C 2 and CBC units, respectively, forming a three‐dimensional framework with Li cations in the voids. The charge distribution can be described by Wade's rules: (Li + ) 2 B 12 2− C 2 and (Li + )B 12 2− (CBC + ). The synthesis succeeded in molten metals at high temperatures.

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