%0 Journal Article %T Molecular structure, spectroscopic studies, and coppereoxygen bond strength of a-methyl and a-ethyl derivatives of copper (II) acetylacetonate; Experimental and theoretical approach %A Vakili, Mohamad %A Tayyari, Sayyed Faramarz %A Raheleh Afzali %J Journal of Molecular Structure %@ 0022-2860 %D 2018