Rubrene endoperoxide acetone monosolvate

Rubrene endoperoxide acetone monosolvate

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The title acetone solvate, C42H28O2·C3H6O [systematic name: 1,3,10,12-tetraphenyl-19,20-dioxapentacyclo[10.6.2.02,11.

04,9.013,18]icosa-2(11),3,5,7,9,13,15,17-octaene acetone monosolvate], is a photooxygenation product of rubrene (systematic name: 5,6,11,12-tetraphenyltetracene).The molecule bends at the bridgehead atoms, which are linked by the O—O transannular bond, with a dihedral angle of 49.21 (6)° between the benzene ring and the read more naphthalene ring system of the tetracene unit.

In the crystal, the rubrene molecules are linked by C—H.O hydrogen bonds into a column along the c axis.The acetone solvent molecules form read more a dimer around a crystallographic inversion centre through a carbonyl–carbonyl dipolar interaction.A C—H.

O hydrogen bond between the rubrene and acetone molecules is also observed.