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B.Sc.: Science of Chemistry/ Chemistry Dept., College of Science/ University of Baghdad/ Iraq/ 2000.

M.Sc: Physical of Chemistry (Quantum)/ Chemistry Dept., College of Science/ University of Baghdad/ Iraq/ 2003.

Ph.D: Physical of Chemistry (Quantum)/ Chemistry Dept., College of Science/ University of Baghdad/ Iraq/ 2007.

Theoretical Chemistry, Molecular Simulation, Physical Chemistry, Molecular Modelling

Ahmed A. Al-Amiery, Huda Dhia Jaffar, Hasan R. Obayes, Ahmed Y. Musa , Abdul Amir Hassan Kadhum and Abu Bakar Mohamad. Thermodynamic Studies on 4-Aminocoumarin tautomers, Int. J. Electrochem. Sci., 7 8468- 8472 (2012). (IF=3.729).

Hasan R. Obayes, Theoretical Study of Vibration Frequencies of Fullerene Molecule (C 60 ) by Using Density Function Theory (DFT), Eng. & Tech. Journal, 30 (15) 2694-2700 (2012).

Jasim Hilo Naama, Ghadah H. Alwan, Hasan R. Obayes, Ahmed A. Al-Amiery, Ali A. Al-Temimi, Abdul Amir H. Kadhum, Abu Bakar Mohamad, Curcuminoids as antioxidants and theoretical study of stability of curcumin isomers in gaseous state, Research on Chemical Intermediates, 39 4047- 4059 (2013). (IF=0.880)

Hasan R. Obayes, Theoretical Study for the Preparation of New Buckyballs from the Cyclic Dimerization Reaction of Two Molecules Corannulene, Coronene and Circulene Aromatic Compounds, Eng. & Tech. Journal, 31 B(5) 594-602 (2013).

Hasan R. Obayes, Ahmed A. Al-Amiery, Huda Dhia Jaffar, Ahmed Y. Musa, Abdul Amir Hassan Kadhum, and Abu Bakar Mohamad, Theoretical Study for the Preparation of Sub-Carbon Nano Tubes from the Cyclic Polymerization Reaction of Two Molecules from Corannulene, Coronene and Circulene Aromatic Compounds, J. Comput. Theor. Nanosci. 10, 2459- 2463 (2013). (IF=0.673).

Abdulnasser M. AL-Gebori, Samah S. Adeeb, Ghadah H. Alwan, Hasan R. Obayes, Rashed Taleb Rasheed, Nidal Al Derzi and Abbas A. Mohammed, Correlation of Total Cholesterol and Glucose in Serum of Iraqi Patients with Atherosclerosis and Diabetes Mellitus Type 2, Eng. & Tech. Journal, 31 B(6) 801-808 (2013).

Ahmed A. Al-Amiery, Abdul Amir H. Kadhum, Hasan R. Obayes, and Abu Bakar Mohamad, Synthesis and Antioxidant Activities of Novel 5- Chlorocurcumin, Complemented by Semiempirical Calculations, Bioinorganic Chemistry and Applications, 2013, Article ID 354982, 7 pages (2013). (IF=1.165).

Hasan R. Obayes, Ghadah H. Alwan, Ahmed A. Al-Amiery, Abdul Amir H. Kadhum and Abu Bakar Mohamad, Thermodynamic and Theoretical Study of the Preparation of New Buckyballs from Corannulene, Coronene, and Circulene, Journal of Nanomaterials, 2013, Article ID 451920, 8 pages (2013). (IF=1.547).

Ahmed A. Al-Amiery, Hasan R. Obayes, Ghadah H. Alwan, Abdul Amir H. Kadhum and Abu Bakar Mohamad, Synthesis and Theoretical Studies of Methyl 2-[(2-oxo-2H-chromen-4-yl)oxy] acetate, Asian Journal of Chemistry, 25, (18) 10357- 10359 (2013). (IF=0.253).

Hasan R. Obayes, Ghadah H. Alwan, Abdulnasser M. AL-Gebori, Samah S. Adeeb, Rashed Taleb Rasheed, Nidal Al Derzi and Abbas A. Mohammed, Theoretical Study for the Preparation of Sub-Carbon Nanotubes from the Cyclic Polymerization of Three Molecules from (Corannulene, Coronene and Circulene) Aromatic Compounds, Eng. & Tech. Journal, 32 B(2) 238-250 (2014).

Hasan R Obayes, Ghadah H Alwan, Abdul Hameed MJ Alobaidy, Ahmed A Al-Amiery, Abdul Amir H Kadhum and Abu Bakar Mohamad, Quantum chemical assessment of benzimidazole derivatives as corrosion Inhibitors, Chemistry Central Journal 8:21 1-8 (2014). (IF=1.312).

Hasan R Obayes, Abdul Hameed Alobaidy, Ghadah H Alwan, Ahmed A Al- Amiery, Molecular simulation for novel carbon buckyball materials, Cogent Chemistry, 1: 1-8 pages, 1026638 (2015).

Rashed Taleb Rasheed, Mahammed Shamil Ali, Hadeel Salah Mansoor, Hasan R. Obayes and Abdulnasser M. AL-Gebori, Synthesis and Theoretical Study of Some 2,4,6-Trihydroxyacetophenone Schiff base Ligandes, Eng. & Tech. Journal, 33 B(1) 45-51 (2015).

Hasan R. Obayes, Abdulnasser M. AL-Gebori, Shaymaa H. Khazaal, Amer J. Jarad, Ghadah H. Alwan, and Ahmed A. Al-Amiery, Hypothetical Design of Carbon Nanotube Materials Based on [8]Circulene, Journal of Nanoelectronics and Optoelectronics, 10, 711-716 (2015). (IF=0.479).

Thamer Adnan Abdullah, Fanar Ganem Hashem, Qusay J. Rasheed, Abdulnasser M. AL-gebori, Hasan R. Obayes, Study the Effect of Added 4wt% of Nickel Oxide, Ammonium Oxide and Cobalt Oxide over HZSM-5 Catalyst for the Catalytic reaction of Bio-Ethanol into Hydrocarbons, International Conference on Chemical, Agricultural and Biological Sciences (CABS-2015) Sept. 4-5, 2015 Istanbul (Turkey). (132-136).

Hasan R. Obayes, Khalida F. Al.Azawi, Shaymaa H. Khazaal, Ghadah H. Alwan, Abdulnasser M. AL-Gebori, AliH. Al-Hamadani, Ahmed A. Al-Amiery, Theoretical Studies on Electrophilic Aromatic Substitution Reaction for 8- Hydroxyquinoline, ORIENTAL JOURNAL OF CHEMISTRY, Vol. 32(1), 253-260 (2016).

Hasan R. Obayes, Ahmed A. Al‐Amiery, Mohammed S. Ali, Ghadah H. Alwan, Thermodynamic and Theoretical Studies of the Imide Derivatives, Preprints, Posted: 11 May 2016. (1-5).

Taghried A. Salman, Khalida F. Al.Azawi, Shaymaa S. H. Al-Hashimi, Hasan R. Obayes, Shaimaa B. Al-Baghdadi, Abdulnasser M. AL-Gebori, Salam A. Mohammed, Ahmed Al-Amiery, Comparison and Evaluation studies for corrosion inhibition of mild steel in hydrochloric acid solution by some thiadiazole derivatives, Wulfenia journal, Vol 23, No. 5;May (2016). (46-58).

Hasan R. Obayes, Ahmed A. Al-Amiery, Ghadah H. Alwan, Thamer Adnan Abdullah, Abdul Amir H. Kadhum, Abu Bakar Mohamad, Sulphonamides as corrosion inhibitor: Experimental and DFT studies, Journal of Molecular Structure 1138 27-34 (2017). (IF=2.120).

Shaymaa H. Khazaal, Khalida F. Al-Azawi, Hamsa A. Eessa, Abdulnasser M. AL-Gebori, Hasan R. Obayes, Abeer H. Khasraghi, Levels of Lead and Chromium Ions in Different Brands of Lipstick Sold at Local Markets in Iraq, Engineering and Technology Journal, Vol. 36, Part A, No. 2, 147-151 (2018).

Ali Abdullah Issa and Hasan R. Obayes. Capture carcinogenic aromatic compounds by the design of new tweezer compounds: a theoretical study. Journal of Molecular Modeling (2020) 26 (10): 292 1-6. (IF= 1.335)

Undergraduate :-

- Physical Chemistry/ second stage.

- Quantum and Spectroscopy/ fourth stage.

Postgraduates Courses :-

Advance Physical Chemistry.

Quantum Chemistry.