Information card for entry 8100155

Structure parameters

• Common name: ammonium scandium arsenate
• Formula: As2 H4 N O7 Sc
• Calculated formula: As2 H4 N O7 Sc
• Title of publication: Crystal structure of ammonium scandium diarsenate(V), (NH~4~)ScAs~2~O~7~, the second KAlP~2~O~7~-type diarsenate
• Authors of publication: Kolitsch, Uwe
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2004
• Journal volume: 219
• Journal issue: 3
• Pages of publication: 207 - 208
• a: 7.842 ± 0.002 Å
• b: 10.656 ± 0.002 Å
• c: 8.765 ± 0.002 Å
• α: 90°
• β: 106.81 ± 0.03°
• γ: 90°
• Cell volume: 701.1 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No