Information card for entry 9013901

Structure parameters

• Formula: As2 Ca2.5 H8 O10.5
• Calculated formula: As2 Ca2.5 H5 O10.5
• Title of publication: Mechanism of the reaction Ca5H2(AsO4)4*9H2O (ferrarisite) -> Ca5H2(AsO4)4*5H2O) (dimorph of vladimirite), and structure of the latter phase Note: formed by dehydrating ferrarisite at 60 C Locality: Sainte-Marie-aux-Mines (Alsace), France
• Authors of publication: Catti, M.; Ivaldi, G.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1981
• Journal volume: 157
• Pages of publication: 119 - 130
• a: 8.286 Å
• b: 6.673 Å
• c: 9.743 Å
• α: 86.58°
• β: 111.1°
• γ: 99.74°
• Cell volume: 495.351 ų
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No