Information card for entry 2103726

Structure parameters

• Common name: maleic hydrazide
• Chemical name: 1,2-dihydropyridazine-3,6-dione; 6-hydroxy-3-pyridazinone
• Formula: C4 H4 N2 O2
• Calculated formula: C4 H4 N2 O2
• SMILES: n1[nH]c(=O)ccc1O
• Title of publication: Polymorphism of maleic hydrazide. I
• Authors of publication: Katrusiak, Andrzej
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2001
• Journal volume: 57
• Journal issue: 5
• Pages of publication: 697 - 704
• a: 5.8181 ± 0.001 Å
• b: 5.8 ± 0.001 Å
• c: 7.309 ± 0.001 Å
• α: 78.8 ± 0.03°
• β: 99.36 ± 0.03°
• γ: 107.13 ± 0.03°
• Cell volume: 229.75 ± 0.08 ų
• Cell temperature: 300 ± 1 K
• Ambient diffraction temperature: 300 ± 1 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: 0.0869
• Residual factor for significantly intense reflections: 0.0535
• Weighted residual factors for all reflections included in the refinement: 0.0882
• Goodness-of-fit parameter for all reflections included in the refinement: 1.01
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes