Crystallography Open Database

Information card for entry 8102990

Preview

Coordinates	8102990.cif

Structure parameters

Chemical name	tetrasodium tetrasilicide
Formula	Na4 Si4
Calculated formula	Na4 Si4
Title of publication	Refinement of the crystal structure of tetrasodium tetrasilicide, Na4Si4
Authors of publication	Thorsten Goebel; Yurii Prots; Frank Haarmann
Journal of publication	Zeitschrift für Kristallographie - New Crystal Structures
Year of publication	2008
Journal volume	223
Journal issue	3
Pages of publication	187
a	12.1536 ± 0.0005 Å
b	6.5452 ± 0.0005 Å
c	11.1323 ± 0.0006 Å
α	90°
β	118.9 ± 0.1°
γ	90°
Cell volume	775.3 ± 0.8 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	2
Space group number	15
Hermann-Mauguin space group symbol	C 1 2/c 1
Hall space group symbol	-C 2yc
Residual factor for all reflections	0.03
Residual factor for significantly intense reflections	0.028
Weighted residual factors for significantly intense reflections	0.063
Weighted residual factors for all reflections included in the refinement	0.064
Goodness-of-fit parameter for all reflections included in the refinement	1.149
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
291193 (current)	2024-04-15	cif/8: Fixing Z values and formulae	8102990.cif
176728	2016-02-18	cif/ (antanas@echidna.ibt.lt) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 8.	8102990.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	8102990.cif
13729	2011-03-06	../uploads/cif-deposit/cod/cif Adding structures of 8102990 via cif-deposit CGI script.	8102990.cif