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Synthesis and Structure of the Ordered Modification of Ba 6 EuF 12 Cl 2
Author(s) -
Kubel F.,
Bill H.,
Hagemann H.
Publication year - 2000
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(200008)626:8<1721::aid-zaac1721>3.0.co;2-d
Subject(s) - crystal structure , crystallography , ion , hexagonal crystal system , fluorine , lattice (music) , metal , group (periodic table) , materials science , chemistry , physics , metallurgy , organic chemistry , acoustics
Crystals of ordered Ba 6 EuF 12 Cl 2 were found to form during high temperature flux growth. The structure was refined in the hexagonal space group P 6 to R F (R $^F_w$ ) = 0.024(0.024) for 326 reflections and 46 parameters. Lattice parameters are a = b = 1059.27(8) pm and c = 416.36(2) pm; Z = 1. The structure is isotypic to Ba 7 F 12 Cl 2 . No solid solution of Ba/Eu was observed, the Eu 2+ ions are located in the channels formed by 3 + 6 fluorine ions, occupying only one of the three metal sites of the Ba 7 F 12 Cl 2 structure.