A. Bohnsack et al., TERNARY HALIDES OF THE A(3)MX(6)TYPE .7. THE BROMIDES LI3MBR6 (M = SM-LU, Y) - SYNTHESIS, CRYSTAL-STRUCTURE, AND IONIC MOBILITY, Zeitschrift fur anorganische und allgemeine Chemie, 623(9), 1997, pp. 1352-1356
Citations number
19
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Zeitschrift fur anorganische und allgemeine Chemie
The bromides Li3MBr6 (M=Sm-Lu, Y) are obtained from the binary compone
nts LiBr and MBr3. They crystallize with a substitution/addition varia
nt of the AlCl3-type of structure as was established from single cryst
al X-ray diffraction data for Li3ErBr6 (monoclinic, C2/m, Z=2, a=689.0
(3), b=1191.6(9), c=684.2(6)pm, beta=109.77(6)degrees) and by powder X
-ray diffraction for the remaining bromides. They are isotypic with Na
3GdI6 and Li3ScCl6, respectively. Impedance spectroscopy and Li-7-NMR
spectroscopy show that the lithium ions are highly mobile.