%0 Conference Proceedings %T Vibrational assignment and the effect of -methyl and ethyl substitutions on the Cu-O strength in bis-(3-alkylpentane-2,4-dionato)copper(II); An experimental and DFT study %A Seyedkatouli, Seyedabdollah %A Vakili, Mohamad %A Tayyari, Sayyed Faramarz %J XIVth International Conference on Molecular Spectroscopy %D 2017