“IR Spectra of Entrance and Exit Channels of Methane Molecule and Oxygen Atom Reaction at MP2 Theory”. Iraqi Journal of Science 64, no. 7 (July 30, 2023): 3349–3355. Accessed November 21, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6125.