Crystallography Open Database

Information card for entry 9017723

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Coordinates	9017723.cif
External links	AMCSD

Structure parameters

Mineral name	Alstonite
Formula	C2 Ba Ca O6
Calculated formula	C24 Ba12 Ca12 O72
Title of publication	The crystal structure of alstonite, BaCa(CO3)2: an extraordinary example of 'hidden' complex twinning in large single crystals
Authors of publication	Bindi, L.; Roberts, A. C.; Biagioni, C.
Journal of publication	Mineralogical Magazine
Year of publication	2020
Journal volume	84
Pages of publication	699 - 704
a	17.436 Å
b	17.436 Å
c	6.1295 Å
α	90°
β	90°
γ	120°
Cell volume	1613.8 Å³
Number of distinct elements	4
Space group number	157
Hermann-Mauguin space group symbol	P 3 1 m
Hall space group symbol	P 3 -2
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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