Information card for entry 9005312

Structure parameters

• Mineral name: Hemimorphite
• Formula: H2 O9 Si2 Zn4
• Calculated formula: H2 O9 Si2 Zn4
• Title of publication: Proton disorder in dehydrated hemimorphite - IR spectroscopy and X-ray structure refinement at low and ambient temperatures T = 293 K
• Authors of publication: Libowitzky, E.; Kohler, T.; Armbruster, T.; Rossman, G. R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1997
• Journal volume: 9
• Pages of publication: 803 - 810
• a: 8.191 Å
• b: 10.824 Å
• c: 5.088 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 451.099 ų
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 4
• Space group number: 44
• Hermann-Mauguin space group symbol: I m m 2
• Hall space group symbol: I 2 -2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No