Crystallography Open Database

Information card for entry 1101039

Preview

Coordinates	1101039.cif
External links	ChemSpider

Structure parameters

Chemical name	Strontium peroxide
Formula	O2 Sr
Calculated formula	O2 Sr
SMILES	[Sr+2].[O-][O-]
Title of publication	The Structure of Strontium and Barium Peroxides, Sr O~2~ and Ba O~2~
Authors of publication	Bernal, J. D.; Djatlowa, E.; Kasarnowsky, I.; Reichstein, S.; Ward, A. G.
Journal of publication	Zeitschrift für Kristallographie
Year of publication	1935
Journal volume	92
Pages of publication	344 - 354
a	3.55 Å
b	3.55 Å
c	6.55 Å
α	90°
β	90°
γ	90°
Cell volume	82.5 Å³
Number of distinct elements	2
Space group number	139
Hermann-Mauguin space group symbol	I 4/m m m
Hall space group symbol	-I 4 2
Duplicate of	1010114
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
287519 (current)	2023-11-10	cod/ (saulius@tasmanijos-velnias) Marking up COD duplicates based on automatic matching in: Path: outputs/cod-new-duplicates-expanded.tsv Name: cod-new-duplicates-expanded.tsv Working Copy Root Path: /home/saulius/struct/COD-crude-data URL: svn+ssh://www.crystallography.net/home/coder/svn-repositories/COD-crude-data/archives/2021/COD/outputs/cod-new-duplicates-expanded.tsv Relative URL: ^/archives/2021/COD/outputs/cod-new-duplicates-expanded.tsv Repository Root: svn+ssh://www.crystallography.net/home/coder/svn-repositories/COD-crude-data Repository UUID: f03e6fd5-de02-4a89-aa47-d94ad8425ebd Revision: 7431 Node Kind: file Schedule: normal Last Changed Author: saulius Last Changed Rev: 7431 Last Changed Date: 2023-11-10 16:55:42 +0200 (Fri, 10 Nov 2023) Text Last Updated: 2023-11-10 16:31:20 +0200 (Fri, 10 Nov 2023) Checksum: 0c965281867bf38581b3e32df20963a23950bd46	1101039.cif
201954	2017-10-13	cif/ Marking COD entries in range 1 that are known to be related to ChemSpider entries using the _cod_related_entry data loop.	1101039.cif
130149	2015-01-27	cod/ (saulius@kolibris) Deriving Hall space group symbols for 12003 CIFs using the 'cif_filter --estimate-spacegroup' command.	1101039.cif
79219	2013-04-04	cod/ (inesa@sabalas) The _journal_name_full tag was restored consulting three souces containing references to the original paper.	1101039.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	1101039.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.	1101039.cif
260	2008-03-11	Five structures with multiple bibliographic information. Bibliographic data closer to the crystal data (further away from the begging of the file) have been kept. The rest has been commented out with '##'. Files listed at data-problems.txt	1101039.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/'	1101039.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	1101039.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.	1101039.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)	1101039.cif