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2005
Structure
D 2000
23- 007
Solvothermal Synthesis and Crystal Structure Determination of AgBiI4 and
Ag3BiI 6. — Single crystals of the title compounds are prepared by hydrothermal reaction of AgI and BiI3 in the ratios 0.8:2 (AgBiI4) and 1:1 (Ag3BiI6) in 20% aq. HI
(evacuated quartz tube, 160 °C, 2—3 d). AgBiI4 crystallizes in the cubic space group
Fd3m with Z = 8 and Ag3BiI 6 in the trigonal space group R3m with Z = 1. Both crystal
structures show stacking sequence -A-B-C-A-B-C- of hexagonal layers containing
iodine. Bismuth and silver occupy octahedral sites with different mass ratio in both
structures. The ionic conductivity of AgBiI4 is explored and the silver ion mobility in
the compounds is discussed. — (OLDAG, T.; AUSSIEKER, T.; KELLER*, H.-L.;
PREITSCHAFT, C.; PFITZNER, A.; Z. Anorg. Allg. Chem. 631 (2005) 4, 677-682;
Anorg. Chem., Univ. Dortmund, D-44227 Dortmund, Germany; Ger.,
Abstr. Eng.) — Schramke
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