Information card for entry 7720909

Structure parameters

• Formula: Ca H8 N4 O11
• Calculated formula: Ca H8 N4 O11
• Title of publication: Synthesis and characterization of hydrated alkali metal calcium nitrates ACa(NO₃)₃·2H₂O (A = NH₄, Rb, Cs) as short ultraviolet birefringent materials.
• Authors of publication: Elkik, Hussin; Iqbal, Muhammad Mujahid; Munawar, Aqsa; Yang, Zhihua; Zhang, Fangfang; Pan, Shilie
• Journal of publication: Dalton transactions (Cambridge, England : 2003)
• Year of publication: 2026
• a: 6.4805 ± 0.0006 Å
• b: 7.453 ± 0.0007 Å
• c: 10.497 ± 0.001 Å
• α: 99.129 ± 0.004°
• β: 91.341 ± 0.004°
• γ: 91.711 ± 0.004°
• Cell volume: 500.15 ± 0.08 ų
• Cell temperature: 296.15 K
• Ambient diffraction temperature: 296.15 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0311
• Residual factor for significantly intense reflections: 0.0292
• Weighted residual factors for significantly intense reflections: 0.0769
• Weighted residual factors for all reflections included in the refinement: 0.0787
• Goodness-of-fit parameter for all reflections included in the refinement: 1.092
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No