Information card for entry 2000603

Structure parameters

• Formula: C20 H16 O4
• Calculated formula: C20 H16 O4
• Title of publication: Structure of racemic (±)-6,8-dimethyl-6,12-methano-6<i>H</i>,12<i>H</i>,13<i>H</i>-[1]benzopyran[4,3-<i>d</i>][1,3]benzodioxocin-13-one
• Authors of publication: Valente, E. J.; Ruggiero, G.; Eggleston, D. S.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1992
• Journal volume: 48
• Journal issue: 9
• Pages of publication: 1635 - 1637
• a: 10.482 ± 0.003 Å
• b: 8.084 ± 0.001 Å
• c: 18.081 ± 0.004 Å
• α: 90°
• β: 92.59 ± 0.02°
• γ: 90°
• Cell volume: 1530.6 ± 0.6 ų
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Diffraction radiation wavelength: 0.7093 Å
• Diffraction radiation type: Mo
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No