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Li 4 [FeN 2 ]: A Nitridoferrate( II ) with Anions Isosteric with CO 2 . A Defect Variant of the Li 3 N Type Structure.
Author(s) -
Gudat Axel,
Kniep Rüdiger,
Rabenau Albrecht
Publication year - 1991
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199101991
Subject(s) - metastability , crystallography , chemistry , type (biology) , ion , composition (language) , crystal structure , crystal (programming language) , stereochemistry , geology , paleontology , linguistics , philosophy , organic chemistry , computer science , programming language
The continual place‐changing of iron atoms in the mixed crystal phases of composition Li 4 Fe 1.04 N 2 , during which the slightly corrigated Li 2 N layers are maintained, leads in a topotactic reaction to the formation of Li 4 [FeN 2 ]. This presumably metastable nitridoferrate( II ) is one of the lesser known nitridoferrates. Li 4 [FeN 2 ] crystallizes in a defect variant of the Li 3 N structure (Li 2 Fe 0.5 □ 0.5 N), in which Li 2 N layers are bound by linearly coordinated Fe II centers.

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