Crystallography Open Database

Information card for entry 1001302

Preview

Coordinates	1001302.cif
External links	AMCSD

Structure parameters

Chemical name	Hexapotassium hexaniobium tetragermanium oxide
Formula	Ge4 K6 Nb6 O26
Calculated formula	Ge4 K6 Nb6 O26
Title of publication	Etude du comportement du germanium dans les structures a tunnels de section pentagonale: Les silicogermanates K~6~ Nb~6~ Ge~x~ Si~4-x~ O~26~
Authors of publication	Choisnet, J; Nguyen, N; Raveau, B
Journal of publication	Revue de Chimie Minerale
Year of publication	1977
Journal volume	14
Pages of publication	311 - 317
a	9.188 Å
b	9.188 Å
c	8.123 Å
α	90°
β	90°
γ	120°
Cell volume	593.9 Å³
Number of distinct elements	4
Space group number	189
Hermann-Mauguin space group symbol	P -6 2 m
Hall space group symbol	P -6 -2
Residual factor for all reflections	0.088
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.	1001302.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	1001302.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.	1001302.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/'	1001302.cif
14	2008-01-14	Appending a header with SVN keywords, COD URL and copying policy to all COD CIF files.	1001302.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.	1001302.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)	1001302.cif