Crystallography Open Database

Information card for entry 9006693

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Structure parameters

Formula	Al4 Ca O11 Si2
Calculated formula	Al3.99999 Ca O11 Si2.00001
Title of publication	Structural characterisation of the high-pressure phase CaAl4Si2O11 Note: Biso values altered to agree with the anisotropic values, as indicated by Ross Angel, March 2004
Authors of publication	Gautron, L.; Angel, R. J.; Miletich, R.
Journal of publication	Physics and Chemistry of Minerals
Year of publication	1999
Journal volume	27
Pages of publication	47 - 51
a	5.4223 Å
b	5.4223 Å
c	12.7041 Å
α	90°
β	90°
γ	120°
Cell volume	323.476 Å³
Number of distinct elements	4
Space group number	194
Hermann-Mauguin space group symbol	P 63/m m c
Hall space group symbol	-P 6c 2c
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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