Information card for entry 7215140

Structure parameters

• Common name: germanium antimony telluride
• Formula: Ge2 Sb2 Te5
• Calculated formula: Ge2.0002 Sb1.9998 Te5
• Title of publication: Temperature dependent resonant X-ray diffraction of single-crystalline Ge2Sb2Te5
• Authors of publication: Urban, Philipp; Schneider, Matthias N.; Erra, Loredana; Welzmiller, Simon; Fahrnbauer, Felix; Oeckler, Oliver
• Journal of publication: CrystEngComm
• Year of publication: 2013
• Journal volume: 15
• Journal issue: 24
• Pages of publication: 4823
• a: 4.2257 ± 0.0002 Å
• b: 4.2257 ± 0.0002 Å
• c: 17.281 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 267.24 ± 0.04 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 164
• Hermann-Mauguin space group symbol: P -3 m 1
• Hall space group symbol: -P 3 2"
• Residual factor for all reflections: 0.0558
• Residual factor for significantly intense reflections: 0.035
• Weighted residual factors for significantly intense reflections: 0.0399
• Weighted residual factors for all reflections included in the refinement: 0.0417
• Goodness-of-fit parameter for significantly intense reflections: 1.91
• Goodness-of-fit parameter for all reflections included in the refinement: 1.63
• Diffraction radiation wavelength: 0.56085 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No