title: 4,4'-(Propane-1,3-diyldi-oxy)dibenz-aldehyde.
abstract: The title compound, C(17)H(16)O(4), is a dialdehyde in which two formyl-phen-oxy units are linked by a -CH(2)CH(2)CH(2)- chain; the mol-ecule is V-shaped with the middle methyl-ene C atom as the apex. The two benzene rings are aligned at 77.4 (1)°. In the crystal, mol-ecules are linked into centrosymmetric dimers by pairs of non-classical C-H⋯O hydrogen bonds.
authors.forename: Qamar
authors.initials: Q
authors.lastname: Ali
authors.forename: Muhammad
authors.initials: M
authors.lastname: Raza Shah
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng