Crystallography Open Database

Information card for entry 9000308

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Structure parameters

Mineral name	Pentagonite
Formula	Ca H8 O15 Si4 V
Calculated formula	Ca H8 O15 Si4 V
Title of publication	The crystal structures of cavansite and pentagonite
Authors of publication	Evans, H. T.
Journal of publication	American Mineralogist
Year of publication	1973
Journal volume	58
Pages of publication	412 - 424
a	10.386 Å
b	14.046 Å
c	8.975 Å
α	90°
β	90°
γ	90°
Cell volume	1309.29 Å³
Number of distinct elements	5
Space group number	36
Hermann-Mauguin space group symbol	C c m 21
Hall space group symbol	C 2c -2c
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

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