Crystallography Open Database

Information card for entry 1007247

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Structure parameters

Chemical name	Dinickel diphosphate
Formula	Ni2 O7 P2
Calculated formula	Ni2 O7 P2
Title of publication	Structure cristalline d'une nouvelle variante de pyrophosphate de nickel Ni2 P2 O7
Authors of publication	Masse, R; Guitel, J C; Durif, A
Journal of publication	Materials Research Bulletin
Year of publication	1979
Journal volume	14
Pages of publication	337 - 341
a	5.212 ± 0.003 Å
b	9.913 ± 0.005 Å
c	4.475 ± 0.003 Å
α	90°
β	97.46 ± 0.1°
γ	90°
Cell volume	229.3 Å³
Number of distinct elements	3
Space group number	14
Hermann-Mauguin space group symbol	P 1 21/a 1
Hall space group symbol	-P 2yab
Residual factor for all reflections	0.041
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.	1007247.cif
120071	2014-07-11	Adding DOIs to range 1 structures.	1007247.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	1007247.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.	1007247.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/'	1007247.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	1007247.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.	1007247.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)	1007247.cif