Information card for entry 8101125

Structure parameters

• Common name: Sigma-2
• Formula: C32 H60 N4 O128 Si64
• Calculated formula: C47.04 O128 Si64
• Title of publication: Crystal structure of clathrasil sigma-2 containing 3-azabicyclo[3.2.2] nonan as the guest molecule, ABN-sigma-2, (C~8~H~15~N)~4~[Si~64~O~128~]
• Authors of publication: Grünewald-Lüke, Antje; Marler, Bernd; Gies, Hermann
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2001
• Journal volume: 216
• Journal issue: 4
• Pages of publication: 655 - 656
• a: 10.227 ± 0.005 Å
• b: 10.227 ± 0.005 Å
• c: 34.145 ± 0.015 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3571 ± 3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 141
• Hermann-Mauguin space group symbol: I 41/a m d :2
• Hall space group symbol: -I 4bd 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No