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Infinite, Linear, Unbranched Borynide Chains in LiB x —Isoelectronic to Polyyne and Polycumulene
Author(s) -
Wörle Michael,
Nesper Reinhard
Publication year - 2000
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 - 10.1002/1521-3773(20000703)39:13<2349::aid-anie2349>3.0.co;2-u
Subject(s) - boron , lithium (medication) , chemistry , atom (system on chip) , carbon atom , carbon fibers , charge (physics) , matrix (chemical analysis) , lithium atom , polymer , crystallography , materials science , ion , ring (chemistry) , physics , organic chemistry , quantum mechanics , ionization , medicine , chromatography , composite number , computer science , composite material , embedded system , endocrinology
The thinnest possible boron polymer strand is found in LiB x (0.82< x <1.0, see picture) and can be described by the two mesomeric forms =[B − =] n B − = or −[B − . The compound LiB x consists of an aligned array of such boron wires embedded in a lithium matrix. Furthermore, each boron atom yields one negative charge and, thus, becomes isoelectronic to carbon.