Crystallography Open Database

Information card for entry 2238938

Preview

Coordinates	2238938.cif
Original IUCr paper	HTML

Structure parameters

Common name	Sr2As2O7
Chemical name	Strontium diarsenate
Formula	As2 O7 Sr2
Calculated formula	As2 O7 Sr2
Title of publication	The <i>P</i>4~3~ enantiomorph of Sr~2~As~2~O~7~
Authors of publication	Mbarek, Aicha; Edhokkar, Fadhila
Journal of publication	Acta Crystallographica Section E
Year of publication	2013
Journal volume	69
Journal issue	12
Pages of publication	i84
a	7.1089 ± 0.0001 Å
b	7.1089 ± 0.0001 Å
c	25.616 ± 0.0004 Å
α	90°
β	90°
γ	90°
Cell volume	1294.54 ± 0.03 Å³
Cell temperature	296 ± 2 K
Ambient diffraction temperature	296 ± 2 K
Number of distinct elements	3
Space group number	78
Hermann-Mauguin space group symbol	P 43
Hall space group symbol	P 4cw
Residual factor for all reflections	0.0254
Residual factor for significantly intense reflections	0.0218
Weighted residual factors for significantly intense reflections	0.0427
Weighted residual factors for all reflections included in the refinement	0.0437
Goodness-of-fit parameter for all reflections included in the refinement	1.014
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
176798 (current)	2016-02-21	cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/23.	2238938.cif
92376	2014-01-12	cif/ Adding structures of 2238938 via cif-deposit CGI script.	2238938.cif