Crystallography Open Database

Information card for entry 2228065

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Structure parameters

Chemical name	Strontium tetrapraseodymium tri(silicate) oxide
Formula	O13 Pr4 Si3 Sr
Calculated formula	O13 Pr3.9999 Si3 Sr0.9999
Title of publication	Apatite-type SrPr~4~(SiO~4~)~3~O
Authors of publication	Sakakura, Terutoshi; Kamoshita, Minami; Iguchi, Hironaga; Wang, Jun; Ishizawa, Nobuo
Journal of publication	Acta Crystallographica Section E
Year of publication	2010
Journal volume	66
Journal issue	9
Pages of publication	i68
a	9.5999 ± 0.0001 Å
b	9.5999 ± 0.0001 Å
c	7.1388 ± 0.0001 Å
α	90°
β	90°
γ	120°
Cell volume	569.756 ± 0.012 Å³
Cell temperature	296 ± 2 K
Ambient diffraction temperature	296 ± 2 K
Number of distinct elements	4
Space group number	176
Hermann-Mauguin space group symbol	P 63/m
Hall space group symbol	-P 6c
Residual factor for all reflections	0.0213
Residual factor for significantly intense reflections	0.0177
Weighted residual factors for significantly intense reflections	0.0454
Weighted residual factors for all reflections included in the refinement	0.0468
Goodness-of-fit parameter for all reflections included in the refinement	1.068
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	Yes

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