Ullah, Ramzan BPAF_B3LYP_545.17cm-1.gif BPAF_B3LYP_545.17cm-1 Molecular Vibration Spectroscopy Studies 2018-10-09
    https://opticapublishing.figshare.com/articles/media/BPAF_B3LYP_545_17cm-1_gif/6958934
10.6084/m9.figshare.6958934.v1