Renato Lemus has been a Researcher at the Department of Structure of Matter, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México (UNAM) since 1984. He obtained the title of Chemical Metallurgical Engineer at the Faculty of Engineering of UNAM (1982), as well as a master’s degree and doctorate in Chemical Sciences (Physicochemistry) at the Faculty of Chemistry, UNAM (1984 and 1988). He is a member of the National System of Researchers Level III (CONACyT 2014). His research interests include Symmetry and Quantum Mechanics, Group Theoretical techniques, and Vibrational spectroscopy.