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La 3 Br 3 Ni: Jahn–Teller Distortion in the Reduced Rare Earth Metal Halide
Author(s) -
Zheng Chong,
Mattausch Hansjürgen,
Hoch Constantin,
Simon Arndt
Publication year - 2009
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.200900151
Subject(s) - tetragonal crystal system , lanthanum , nickel , halide , octahedron , crystallography , ternary operation , jahn–teller effect , metal , crystal structure , materials science , inorganic chemistry , chemistry , ion , metallurgy , organic chemistry , computer science , programming language
A ternary lanthanum bromide La 3 Br 3 Ni was synthesized from lanthanum, LaBr 3 and nickel under argon at 800 °C. It crystallizes in the tetragonal space group I 4 1 22 (No. 98) with lattice constants a = 12.1758(9) Å and c = 11.744(2) Å. The structure is derived from the cubic Gd 3 I 3 C type of space group I 4 1 32 through a tetragonal distortion resulting in a squeezed nickel‐centered La 6 octahedron. Electronic structure and bonding of the compound have been investigated.
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