Single crystal investigation
of the ht-U2Zn17 binary compound
Chem.
Met. Alloys 6
(2013) 20-27
https://doi.org/10.30970/cma6.0233
Yu. VERBOVYTSKYY, A.P. GONÇALVES
The high-temperature U2Zn17
phase (U1.71(1)Zn17(1))
has been obtained from a sample of nominal composition 10U:90Zn (at.%),
prepared by high-temperature (950ºC) synthesis. Its crystal structure was
determined from X-ray single crystal diffraction data: space group P63/mmc, a = 9.0304(16) Å, c = 8.817(4) Å,
V = 622.7(3) Å3, R1 =
0.0391, wR2 = 0.0830. The structure
is closely related to the Th2Ni17 and LuFe9.5
structure types. The analysis of the interatomic
distances indicates strong interactions between the Zn atoms.
Unit cells of the Th2Ni17
and ht-U2Zn17 structures.
Keywords
Binary phase / Crystal structure / X-ray
diffraction