Information card for entry 4123710

Structure parameters

• Common name: Cesium_Germanium_Iodide
• Formula: Cs Ge I3
• Calculated formula: Cs Ge I3
• SMILES: I[Ge](I)[I-].[Cs+]
• Title of publication: Hybrid germanium iodide perovskite semiconductors: active lone pairs, structural distortions, direct and indirect energy gaps, and strong nonlinear optical properties.
• Authors of publication: Stoumpos, Constantinos C.; Frazer, Laszlo; Clark, Daniel J.; Kim, Yong Soo; Rhim, Sonny H.; Freeman, Arthur J.; Ketterson, John B.; Jang, Joon I.; Kanatzidis, Mercouri G.
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2015
• Journal volume: 137
• Journal issue: 21
• Pages of publication: 6804 - 6819
• a: 8.3582 ± 0.0011 Å
• b: 8.3582 ± 0.0011 Å
• c: 10.6098 ± 0.0015 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 641.89 ± 0.15 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Residual factor for all reflections: 0.0278
• Residual factor for significantly intense reflections: 0.0273
• Weighted residual factors for significantly intense reflections: 0.0586
• Weighted residual factors for all reflections included in the refinement: 0.0587
• Goodness-of-fit parameter for all reflections included in the refinement: 1.232
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No