Information card for entry 1544721

Structure parameters

• Common name: (K1.21Na0.44Ba0.08)(Mn7.85Fe0.15)O16
• Mineral name: monoclinic cryptomelane
• Formula: Ba0.08 Fe0.15 K1.21 Mn7.85 Na0.44 O16
• Calculated formula: Ba0.06 Fe0.16 K1.21 Mn7.84 Na0.44 O16
• Title of publication: Tetragonal-monoclinic transformation of cryptomelane at high temperature
• Authors of publication: Kubo, H.; Miura, H.; Hariya, Y.
• Journal of publication: Mineralogical Journal
• Year of publication: 1990
• Journal volume: 15
• Pages of publication: 50 - 63
• a: 9.907 ± 0.007 Å
• b: 2.865 ± 0.001 Å
• c: 9.676 ± 0.008 Å
• α: 90°
• β: 90.52 ± 0.07°
• γ: 90°
• Cell volume: 274.6 ± 0.3 ų
• Number of distinct elements: 6
• Space group number: 12
• Hermann-Mauguin space group symbol: I 1 2/m 1
• Hall space group symbol: -I 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No