Information card for entry 2001355

Structure parameters

• Mineral name: Poldervaartite
• Formula: Ca2 H2 O5 Si
• Calculated formula: Ca2 O5 Si
• Title of publication: Structure of α-dicalcium silicate hydrate
• Authors of publication: Yano, T.; Urabe, K.; Ikawa, H.; Teraushi, T.; Ishizawa, N.; Udagawa, S.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1993
• Journal volume: 49
• Journal issue: 9
• Pages of publication: 1555 - 1559
• a: 9.487 ± 0.004 Å
• b: 9.179 ± 0.004 Å
• c: 10.666 ± 0.007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 928.8 ± 0.8 ų
• Number of distinct elements: 4
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: Mo
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No