Crystallography Open Database

Information card for entry 1010017

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Structure parameters

Chemical name	Sodium 11-aluminium oxide
Formula	Al11 Na O17
Calculated formula	Al11 Na O17
Title of publication	The crystal structure of "β alumina" Na~2~O · 11(Al~2~O~3~)
Authors of publication	Beevers, C. A.; Ross, M. A. S.
Journal of publication	Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
Year of publication	1937
Journal volume	97
Journal issue	1-6
Pages of publication	59 - 66
a	5.584 Å
b	5.584 Å
c	22.45 Å
α	90°
β	90°
γ	120°
Cell volume	606.2 Å³
Number of distinct elements	3
Space group number	194
Hermann-Mauguin space group symbol	P 63/m m c
Hall space group symbol	-P 6c 2c
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
200083 (current)	2017-09-01	cif/1/01/00/ Updating bibliography in entry 1010017.	1010017.cif
130149	2015-01-27	cod/ (saulius@kolibris) Deriving Hall space group symbols for 12003 CIFs using the 'cif_filter --estimate-spacegroup' command.	1010017.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	1010017.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.	1010017.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/'	1010017.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	1010017.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.	1010017.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)	1010017.cif