Information card for entry 9011630

Structure parameters

• Common name: Helium
• Mineral name: Helium
• Formula: He
• Calculated formula: He
• SMILES: [He]
• Title of publication: Structure of solid helium by neutron diffraction Sample: at T = 1.1 K and P = .007 GPa
• Authors of publication: Henshaw, D. G.
• Journal of publication: Physical Review
• Year of publication: 1958
• Journal volume: 109
• Pages of publication: 328 - 330
• a: 3.53 Å
• b: 3.53 Å
• c: 5.76 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 62.159 ų
• Ambient diffraction temperature: 1.1 K
• Ambient diffracton pressure: 7000 kPa
• Number of distinct elements: 1
• Space group number: 194
• Hermann-Mauguin space group symbol: P 63/m m c
• Hall space group symbol: -P 6c 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No