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(OLi 2 Ca 4 ) 3 [ReN 4 ] 4 , ein Nitridorhenat(VI)‐Oxid
Author(s) -
Hochrein Oliver,
Kniep Rüdiger
Publication year - 2001
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 - 10.1002/1521-3749(200103)627:3<301::aid-zaac301>3.0.co;2-1
Subject(s) - tetragonal crystal system , crystal structure , chemistry , molar ratio , impurity , crystallography , oxide , oxygen , crystal (programming language) , nitrogen , inorganic chemistry , catalysis , organic chemistry , computer science , programming language
(OLi 2 Ca 4 ) 3 [ReN 4 ] 4 , a Nitridorhenate(VI) Oxide Black single crystals of (OLi 2 Ca 4 ) 3 [ReN 4 ] 4 were prepared from the elements (molar ratio Li : Ca : Re = 6 : 1 : 1) by reaction with molecular nitrogen at 900 °C; oxygen content results from a leak in the gas supply. The nitridorhenate(VI)‐oxide is an isotype of (OLi 2 Ca 4 ) 3 [MN 4 ] 4 (M = Mo VI , W VI ). These compounds are obtained under similar reaction conditions in the presence of small amounts of oxygen containing impurities (Li‐/Ca‐hydroxides). The crystal structure of (OLi 2 Ca 4 ) 3 [ReN 4 ] 4 was determined by single crystal methods (cubic; I43d (# 220); a = 1315.88(9) pm; Z = 4) and can be derived from the Th 3 P 4 type structure by hierarchical replacements: Th ≙ (OLi 2 Ca 4 ) 8+ ‐tetragonal bipyramids and P ≙ [Re VI N 4 ] 6– ‐tetrahedra.