Crystallography Open Database

Information card for entry 8102921

Preview

Coordinates	8102921.cif

Structure parameters

Chemical name	tetrapotassium tetrahedro-tetrasilicide
Formula	K4 Si4
Calculated formula	K4 Si4
Title of publication	Refinement of the crystal structures of the tetrahedro-tetrasilicides K~4~Si~4~, Rb~4~Si~4~ and Cs~4~Si~4~
Authors of publication	von Schnering, H. G.; Schwarz, M.; Chang, J.-H.; Peters, K.; Peters, E.-M.; Nesper, R.
Journal of publication	Zeitschrift für Kristallographie - New Crystal Structures
Year of publication	2005
Journal volume	220
Journal issue	4
Pages of publication	525 - 527
a	12.62 ± 0.001 Å
b	12.62 ± 0.001 Å
c	12.62 ± 0.001 Å
α	90°
β	90°
γ	90°
Cell volume	2009.9 ± 0.3 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	2
Space group number	218
Hermann-Mauguin space group symbol	P -4 3 n
Hall space group symbol	P -4n 2 3
Residual factor for all reflections	0.0209
Residual factor for significantly intense reflections	0.0172
Weighted residual factors for significantly intense reflections	0.0401
Weighted residual factors for all reflections included in the refinement	0.0414
Goodness-of-fit parameter for all reflections included in the refinement	0.999
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
176728 (current)	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.	8102921.cif
107934	2014-03-24	cif/8/ (antanas@lokys.ibt.lt) Adding and updating bibliographic information: volume, authors, issue, first page, last page.	8102921.cif
35911	2012-02-28	cif/ Reorganising ranges 1, 3, 5, 6 and 8 into a prefix-directory tree.	8102921.cif
13660	2011-03-06	../uploads/cif-deposit/cod/cif Adding structures of 8102921 via cif-deposit CGI script.	8102921.cif