Crystallography Open Database

Information card for entry 1008922

Preview

Coordinates	1008922.cif
External links	AMCSD

Structure parameters

Chemical name	Chromium selenide (7/8)
Formula	Cr7 Se8
Calculated formula	Cr7 Se8
Title of publication	Etude de seleniures de chrome.
Authors of publication	Chevreton, M; Bertaut, F
Journal of publication	Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences (1884 - 1965)
Year of publication	1961
Journal volume	253
Pages of publication	145 - 147
a	12.664 ± 0.01 Å
b	7.374 ± 0.008 Å
c	11.979 ± 0.006 Å
α	90°
β	91.25 ± 0.03°
γ	90°
Cell volume	1118.4 Å³
Number of distinct elements	2
Space group number	12
Hermann-Mauguin space group symbol	C 1 2/m 1 (a,b,a+2*c)
Hall space group symbol	-C 2y (x-1/2z,y,1/2z)
Residual factor for all reflections	0.18
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
208309 (current)	2018-06-13	cif/ Updating space group information in entries 1008922, 9001863, 9001864.	1008922.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	1008922.cif
966	2010-01-30	cif/ Adding _cod_database_code tags to all COD entries. Adding tag description to the cif_cod.dic dictionary so that COD entries can be validated.	1008922.cif
19	2008-01-26	Changing all end-of-line codes from DOS style to UNIX style in all COD CIF files, for more convenient processing: In the cod/cif/ directory: ff \*.cif \| xargs perl -i -pe 's/\r\n/\n/'	1008922.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	1008922.cif
13	2008-01-13	Setting the svn:keywords property to "Author Date Revision URL Id" for all CIF files in the cod/cif directory.	1008922.cif
1	2007-11-30	Adding all .cif files from the COD, downloaded in a Cod.zip file on 2007.02.07 (and the same Cod.zip is downloadable today, on 2007.11.29)	1008922.cif