Haider, H. M. J. (2017) “Calculated of vibrational frequencies for molecular system from sulphur-halides in the infrared region by using the semi empirical programs”, Al-Qadisiyah Journal of Pure Science, 20(1), pp. 146-158. Available at: https://journalsc.qu.edu.iq/index.php/JOPS/article/view/440 (Accessed: 3May2024).