%0 Journal Article %T Molecular structure, intramolecular hydrogen bond strength, vibrational assignment, and spectroscopic insight of 4-phenylamino-3-penten-2-one and its derivatives: A theoretical and experimental study %A Darugar, Vahidreza %A Vakili, Mohamad %A Tayyari, Sayyed Faramarz %J Journal of Molecular Liquids %@ 0167-7322 %D 2021