Crystallography Open Database

Information card for entry 1556750

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Coordinates	1556750.cif
Original paper (by DOI)	HTML

Structure parameters

Formula	Cu1.95 Se
Calculated formula	Cu1.937 Se
Title of publication	Crystal structure across the β to α phase transition in thermoelectric Cu<sub>2-<i>x</i></sub> Se.
Authors of publication	Eikeland, Espen; Blichfeld, Anders B.; Borup, Kasper A.; Zhao, Kunpeng; Overgaard, Jacob; Shi, Xun; Chen, Lidong; Iversen, Bo B.
Journal of publication	IUCrJ
Year of publication	2017
Journal volume	4
Journal issue	Pt 4
Pages of publication	476 - 485
a	4.1323 ± 0.001 Å
b	4.1323 ± 0.001 Å
c	20.358 ± 0.009 Å
α	90°
β	90°
γ	120°
Cell volume	301.06 ± 0.17 Å³
Cell temperature	364.97 ± 0.13 K
Ambient diffraction temperature	364.97 ± 0.13 K
Number of distinct elements	2
Space group number	166
Hermann-Mauguin space group symbol	R -3 m :H
Hall space group symbol	-R 3 2"
Residual factor for all reflections	0.1027
Residual factor for significantly intense reflections	0.1004
Weighted residual factors for significantly intense reflections	0.2758
Weighted residual factors for all reflections included in the refinement	0.2778
Goodness-of-fit parameter for all reflections included in the refinement	1.389
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	Yes
Has F_obs	No

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