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In the cation of the title molecular salt, C21H17N2O+·PF6−, the pyridine ring and benzoxazole ring system are twisted with respect to the central benzene ring at dihedral angles of 23.75 (18) and 5.53 (16)°. In the crystal, the hexafluoridophosphate anion accepts a weak C—H...F hydrogen bond from the cation to form an ion-pair

(E)-3-[4-(Benzo[d]oxazol-2-yl)styryl]-1-methylpyridin-1-ium hexafluoridophosphate