National Autonomous University of Mexico (UNAM) - Facultad de Química, National Autonomous University of Mexico (UNAM) - Institute of Physics, National Autonomous University of Mexico (UNAM) - Facultad de Química, National Autonomous University of Mexico (UNAM) - Facultad de Química, National Autonomous University of Mexico (UNAM) - Facultad de Química and National Autonomous University of Mexico (UNAM) - Facultad de Química