ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, cilt.63, 2007 (SCI İndekslerine Giren Dergi)
In the nonplanar title compound, C18H14O4, the dihedral angle between the isochromene and benzene ring systems is 83.32(6)degrees. The crystal structure is stabilized by intra- and intermolecular C-H center dot center dot center dot O interactions, the latter resulting in centrosymmetric dimers.