Information card for entry 2019431

Structure parameters

• Chemical name: Pentasamarium dilithium heptastannide
• Formula: Li2 Sm5 Sn7
• Calculated formula: Li2 Sm5 Sn7
• Title of publication: The series <i>RE</i>~5~Li~2~Sn~7~ (<i>RE</i> = Ce, Pr, Nd, Sm) revisited: crystal structure of <i>RE</i>~5~Li~2{-~<i>x</i>}Sn~7+<i>x~</i> [0 {łeq} <i>x</i> {łeq} 0.03(1)]
• Authors of publication: Makongo, Julien P. A.; Bobev, Svilen
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2014
• Journal volume: 70
• Journal issue: 1
• Pages of publication: 2 - 6
• a: 6.1666 ± 0.0019 Å
• b: 13.556 ± 0.004 Å
• c: 17.141 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1432.9 ± 0.7 ų
• Cell temperature: 200 ± 2 K
• Ambient diffraction temperature: 200 ± 2 K
• Number of distinct elements: 3
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0295
• Residual factor for significantly intense reflections: 0.0233
• Weighted residual factors for significantly intense reflections: 0.0396
• Weighted residual factors for all reflections included in the refinement: 0.0406
• Goodness-of-fit parameter for all reflections included in the refinement: 0.978
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No