List of Articles Open Access Article Abstract Page Full-Text 1 - Compare power links S=O and C=O Saccharin in complexes tetraaquabissaccharinato Copper(II) and tetraaquabissaccharinatozinc(II), Using density functional theory(DFT) and Natural bond orbital(NBO) masoud memar Open Access Article Abstract Page Full-Text 2 - A Review of the Jahn-Teller Effects (Jahn -Teller, Renner-Teller, and Pseudo Jahn -Teller): The main origin of instability and symmetry breaking of molecular systems Ghazaleh Kouchakzadeh Open Access Article Abstract Page Full-Text 3 - Investigation of the adsorption of copper (II) (soluble in water) on activated carbon produced from PET outflow bottles ali moghimi hossein anaraki Open Access Article Abstract Page Full-Text 4 - Chemical composition essential oil obtained from Fruit and stem of Drema ammoniacum D. Don. By spectroscopic manner GC and GC-MS Jafar Izadi Nia Aeyed Javad Hosseini farhad salmani محمدامین نوعی آقایی Open Access Article Abstract Page Full-Text 5 - Evaluation of antioxidant activity of water and ethanol extract of asgari grape residue Seyed Hashem Akhlaghi Open Access Article Abstract Page Full-Text 6 - The Study of absorption of drug anticancer Chlorambucil on Graphene: A DFT Study abolghasem shameli Ebrahim balali