Information card for entry 8103803

Structure parameters

• Chemical name: Na K (Si2 O5)
• Formula: K Na O5 Si2
• Calculated formula: K Na O5 Si2
• Title of publication: High pressure mixed alkali disilicates in the system Na2-x Kx Si2 O5: hydrothermal synthesis and crystal structures of Na K Si2 O5 - II and Na0.67 K1.33 Si2 O5
• Authors of publication: Rakic, S.; Kahlenberg, V.; Schmidt, B.C.
• Journal of publication: Zeitschrift fuer Kristallographie (149,1979-)
• Year of publication: 2003
• Journal volume: 218
• Pages of publication: 413 - 420
• a: 4.852 Å
• b: 13.594 Å
• c: 7.463 Å
• α: 90°
• β: 91.2°
• γ: 90°
• Cell volume: 492.137 ų
• Number of distinct elements: 4
• 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