@article{paperid:1055690, author = {Azizi Toupkanloo, Hossein and Tayyari, Sayyed Faramarz}, title = {Density functional efficiency in the calculations of vibrational frequencies and molecular structure of β- diketones}, journal = {Journal of Structural Chemistry}, year = {2016}, volume = {57}, number = {1}, month = {January}, issn = {0022-4766}, pages = {65--75}, numpages = {10}, keywords = {density functional theory; vibrational frequencies; geometrical parameters; regression parameters.}, }