Crystallography Open Database

Information card for entry 9015837

Preview

Coordinates	9015837.cif
External links	AMCSD

Structure parameters

Mineral name	Combeite
Formula	Ca3.5 Na4.5 O18 Si6
Calculated formula	Ca3.5 Na4.5 O18 Si6
SMILES	[Na+].[Ca+2].[O-][Si](O1)([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])(O[Si]1([O-])[O-])[O-].[Ca+2].[Na+].[Na+].[Ca+2].[Na+].[Ca+2].[Na+]
Title of publication	Die Kristallstrukturen von naturlichem Na2Ca2Si3O9 vom Mt.Shaheru (Zaire) und aus dem Mayener Feld (Eifel) Note: this is the low-temperature form of combeite
Authors of publication	Fischer, R. X.; Tillmanns, E.
Journal of publication	Neues Jahrbuch fur Mineralogie, Monatshefte
Year of publication	1983
Journal volume	1983
Pages of publication	49 - 59
a	10.464 Å
b	10.464 Å
c	13.176 Å
α	90°
β	90°
γ	120°
Cell volume	1249.42 Å³
Number of distinct elements	4
Space group number	145
Hermann-Mauguin space group symbol	P 32
Hall space group symbol	P 32
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
292100 (current)	2024-05-29	Inserting Z values into entries of range 9 that miss it	9015837.cif
201816	2017-10-06	cod/ Enhancement: marking COD entries that are known to be related to the AMCSD entries using the _cod_related_entry data loop.	9015837.cif
176465	2016-02-16	cif/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 9.	9015837.cif
86000	2013-05-09	cif/ (saulius@koala.ibt.lt) Adding new mineral structures from AMCSD.	9015837.cif