IR Spectra of Entrance and Exit Channels of Methane Molecule and Oxygen Atom Reaction at MP2 Theory. Iraqi Journal of Science [Internet]. 2023 Jul. 30 [cited 2025 Jul. 29];64(7):3349-55. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6125