10.6084/m9.figshare.6959018 Ramzan Ullah Ramzan Ullah BPAF_B3LYP_1189.63 cm-1.gif Optica Publishing Group 2018 Molecular Vibration Spectroscopy Studies 2018-10-09 21:41:10 Media https://opticapublishing.figshare.com/articles/media/BPAF_B3LYP_1189_63_cm-1_gif/6959018 BPAF_B3LYP_1189.63 cm-1