Information card for entry 9006568

Structure parameters

• Formula: Ca O5 Si2
• Calculated formula: Ca O5 Si2
• Title of publication: Crystal chemical characteristics of alpha-CaSi2O5, a new high pressure calcium silicate with five-coordinated silicon synthesized at 1500 C and 10 GPa
• Authors of publication: Kudoh, Y.; Kanzaki, M.
• Journal of publication: Physics and Chemistry of Minerals
• Year of publication: 1998
• Journal volume: 25
• Pages of publication: 429 - 433
• a: 7.243 Å
• b: 7.546 Å
• c: 6.501 Å
• α: 81.43°
• β: 84.82°
• γ: 69.6°
• Cell volume: 329.031 ų
• Sample thermal history: synthesized at 1500 C
• Sample pressure history: synthesized at 1500 C and 10 GPa
• Number of distinct elements: 3
• 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