Information card for entry 9012101

Structure parameters

• Mineral name: Pararealgar
• Formula: As S
• Calculated formula: As16 S16
• SMILES: [As]12[As]3S[As](S1)[As](S2)S3
• Title of publication: Crystal structure of a new crystalline modification of tetra-arsenic tetrasuphide (2,3,4,8-tetrathia1,2,3,7-tetra-arsatricyclo[3,3,0,0]-octane)
• Authors of publication: Porter, E. J.; Sheldrick, G. M.
• Journal of publication: Dalton Transactions
• Year of publication: 1972
• Journal volume: 1972
• Pages of publication: 1347 - 1349
• a: 9.957 Å
• b: 9.335 Å
• c: 8.889 Å
• α: 90°
• β: 102.48°
• γ: 90°
• Cell volume: 806.698 ų
• Number of distinct elements: 2
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No