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Abstract
The molecule of the title compound, C24H24O5, has crystallographic twofold symmetry, with the central O atom lying on the rotation axis. The dihedral angle between the best planes of the benzene rings fused to the oxepine fragment is 38.5 (1)°. The dioxine ring adopts a twist form with the ethylene group C atoms deviating by 0.472 (5) and −0.248 (6) Å from the plane defined by the remaining ring atoms.
Highlights
The molecule of the title compound, C24H24O5, has crystallographic twofold symmetry, with the central O atom lying on the rotation axis
The dihedral angle between the best planes of the benzene rings fused to the oxepine fragment is 38.5 (1)
Atoms deviating by 0.472 (5) and 0.248 (6) Å from the plane defined by the remaining ring atoms
Summary
R factor = 0.062; wR factor = 0.170; data-to-parameter ratio = 13.9. The molecule of the title compound, C24H24O5, has crystallographic twofold symmetry, with the central O atom lying on the rotation axis. The dihedral angle between the best planes of the benzene rings fused to the oxepine fragment is 38.5 (1). The dioxine ring adopts a twist form with the ethylene group C atoms deviating by 0.472 (5) and 0.248 (6) Å from the plane defined by the remaining ring atoms. Data collection: CAD-4 Software (Enraf–Nonius, 1989); cell refinement: CAD-4 Software; data reduction: XCAD4 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2000); software used to prepare material for publication: WinGX (Farrugia, 1999). Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: GK2364)
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