Information card for entry 1564961

Structure parameters

• Common name: Fe3(AsO4)2 8H2O
• Mineral name: parasymplesite
• Formula: As2 Fe3 H16 O16
• Calculated formula: As Fe1.5 H8 O8
• Title of publication: Crystal structure refinement and crystal chemistry of parasymplesite and vivianite
• Authors of publication: Hongu, H.; Yoshiasa, A.; Kitahara, G.; Miyano, Y.; Han, K.; Momma, K.; Miyawaki, R.; Tokuda, M.; Sugiyama, K.
• Journal of publication: Journal of Mineralogical and Petrological Sciences
• Year of publication: 2021
• Journal volume: 116
• Pages of publication: 183 - 192
• a: 10.3519 ± 0.001 Å
• b: 13.6009 ± 0.0013 Å
• c: 4.7998 ± 0.0004 Å
• α: 90°
• β: 104.816 ± 0.002°
• γ: 90°
• Cell volume: 653.32 ± 0.1 ų
• Ambient diffraction temperature: 298 K
• Ambient diffracton pressure: 100 kPa
• Number of distinct elements: 4
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No