Crystallography Open Database

Information card for entry 2002181

2002180 << 2002181 >> 2002182

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Coordinates	2002181.cif

Structure parameters

Chemical name	Calcium holmium oxide (1/1/2.5)
Formula	Ca Ho O2.5
Calculated formula	Ca Ho O2.4999
Title of publication	Ein Beitrag zur Kristallchemie dreiwertiger Seltenerdoxide. Zur Stabilisierung der monoklinen b-Form
Authors of publication	Muschick, W; Mueller-Buschbaum, Hk
Journal of publication	Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (2,1947-32,1977)
Year of publication	1977
Journal volume	32
Pages of publication	495 - 498
a	6.566 Å
b	3.567 Å
c	5.894 Å
α	90°
β	92.3°
γ	90°
Cell volume	137.9 Å³
Number of distinct elements	3
Space group number	11
Hermann-Mauguin space group symbol	P 1 21/m 1
Hall space group symbol	-P 2yb
Residual factor for all reflections	0.099
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
130149 (current)	2015-01-27	cod/ (saulius@kolibris) Deriving Hall space group symbols for 12003 CIFs using the 'cif_filter --estimate-spacegroup' command.	2002181.cif
26848	2011-09-28	cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree.	2002181.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.	2002181.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/'	2002181.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	2002181.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.	2002181.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)	2002181.cif