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. 2023 Jan 6;13(3):1497–1515. doi: 10.1039/d2ra06967a

Rietveld refinement parameter obtained for ZnO NPs.

Sample ZnO
Cell parameter
Crystal structure Hexagonal
Space group P63mc
Point group 6 mm or C6v
a (Å) 3.25
b (Å) 3.25
c (Å) 5.21
α 90
β 90
ϒ 120
Volume (Å3) 47.61
Density (g cm−3) 5.68
Positional parameter
Zn x 0.3333
Zn y 0.6667
Zn z 0.0024
O x 0.3333
O y 0.6667
O z 0.3814
Site occupation
Zn 1.0
O 1.0
Agreement factors
R WP 15.8
R P 11.7
R EXP 12.0
χ 2 1.74