Journal of Physical and Theoretical Chemistry of Islamic Azad University of Iran (J. Phys. Theor. Chem. IAU, Iran) is a quarterly peer reviewed journal which publishes papers in all aspects of physical and theoretical chemistry, such as quantum chemistry, nano chemistry, thermodynamics, kinetics, surface chemistry, spectroscopy, solution chemistry, electrochemistry, coordination chemistry, molecular liquids, interdisciplinary and other related areas. The emphasis will be on studies aimed to develop new insights and promote new research activity.