List of Articles Intramolecular hydrogen bond Open Access Article Abstract Page Full-Text 1 - Intramolecular Hydrogen Bonding of (E)-N'-(n-Fluoro-2-hydroxybenzylidene) Nicotinohydrazide: A DFT study Zainab Moosavi-Tekyeh Open Access Article Abstract Page Full-Text 2 - Investigation of intramolecular hydrogen bond in Anthranilic acid derivatives Mansoureh Zahedi-Tabrizi Maryam Bargi Open Access Article Abstract Page Full-Text 3 - Tautomerization and Intramolecular Hydrogen bond Strength of para Chlorine-Benzoylacetone by Quantum Computation and Spectrometry Results Vahidreza Darugar Mohammad Vakili Hosein Eshghi Open Access Article Abstract Page Full-Text 4 - Theoretical and experimental tautomerism study of para-Trifluorobenzoylacetone halogen derivatives using DFT and vibrational spectroscopy Vahidreza Darugar Mohammad Vakili Sayyed Faramarz Tayyari Open Access Article Abstract Page Full-Text 5 - Theoretical study of 2-selenoformyl-3-thioxo-propionaldehyde (STP) in the exited states ramin rafat alireza nowroozi Open Access Article Abstract Page Full-Text 6 - Investigation of the IntraMolecular Hydrogen Bonding in Halo, Methoxy, and Cyano-Malonealdehyde Derivatives Hadi Zare yousefkhani mohammad vakili vahidreza darugar Open Access Article Abstract Page Full-Text 7 - Tautomeric behaviors of 5-arylazobarbituric acids in different concentrations Nader Noroozi Pesyan Jabbar Khalafy Karim Akbari Dilmaghani, Saeed Rastgar, Zahra Malekpoor, Mina Mohammadzadeh