Sabry El-Taher Ahmed
Professor of Computational Quantum Chemistry
Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
(email)
Publications
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2022
Elgengehi, S. M., S. El-Taher, and K. E. El-Kelany,
"
Adsorption of chlorine oxyanions, as water disinfectant by-products, on graphene flakes: A quantum chemical investigation
",
Surfaces and Interfaces
, vol. 28, issue 101601, 2022.
paper2022.pdf
2021
Ibrahim, M. A. A., O. A. M. Ahmed, S. El-Taher, J. H. Al-Fahemi, N. A. M. Moussa, and H. Moustafa,
"
Cospatial σ‑Hole and Lone Pair Interactions of Square-Pyramidal Pentavalent Halogen Compounds with π‑Systems: A Quantum Mechanical Study
",
ACS Omega
, issue 6, pp. 3319−3329, 2021.
paper2021_1.pdf
Elgengehi, S. M., K. E. El-Kelany, and S. El-Taher,
"
A DFT investigation of anion-π interactions between halogen oxyanions (XO3‾, X = Cl, Br, I) and aromatic pi-systems (benzene and coronene)
",
5th International conference on advanced sciences ICAS5
: IOP Conf. Series: Materials Science and Engineering, pp. 1046 (012017), 2021.
paper2021_3.pdf
Elgengehi, S. M., S. El-Taher, M. A. A. Ibrahim, and K. E. El-Kelany,
"
Unexpected favourable noncovalent interaction between chlorine oxyanions (ClOx- ; x = 1–4) and benzene: Benchmarking DFT and SAPT methods with respect to CCSD(T)
",
Computational and Theoretical Chemistry
, vol. 1199, issue 113214, 2021.
paper2021_2.pdf
2020
Elgengehi, S. M., S. El-Taher, M. A. A. Ibrahim, J. K. Desmarais, and K. E. El-Kelany,
"
Graphene and graphene oxide as adsorbents for cadmium and lead heavy metals: A theoretical investigation
",
Applied Surface Science
, vol. 507, pp. 145038, 2020.
paper2020.pdf
2019
Ibrahim, M. A. A., O. A. M. Ahmed, N. A. M. Moussa, S. El-Taher, and H. Moustafa,
"
Comparative investigation of interactions of hydrogen, halogen and tetrel bond donors with electron-rich and electron-deficient π-systems
",
RSC Advances
, vol. 9, issue 56, pp. 32811-32820, 2019.
paper2019.pdf
2017
El-Taher, S., and M. Metwaly,
"
DFT and PCM-TD-DFT investigation of the electronic structures and spectra of 5-(3-phenyl-2-propenylidene)-2-thioxo-4-thiazolidinone derivatives
",
Journal of Molecular Structure
, vol. 1134: Elsevier, pp. 840-850, 2017.
Abstract
n/a
2015
Abu-Eittah, R. H., S. El-Taher, W. Hassan, and M. Noamaan,
"
A study on the electronic spectra of some 2-azidobenzothiazoles, TD–DFT treatment
",
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
, vol. 151: Elsevier, pp. 916-925, 2015.
Abstract
n/a
2014
Abu-Eittah, R. H., S. El-Taher, W. M. I. Hassan, and M. A. Noamaan,
"
A structural study on the azide–tetrazole equilibrium in the azidobenzothiazole system. DFT-treatment
",
Computational and Theoretical Chemistry
, vol. 1033: Elsevier, pp. 52-59, 2014.
Abstract
n/a
2013
Hassan, W. M. I., S. El-Taher, and M. A. Noamaan,
"
Theoretical Study of the Substituent and Solvent Effects on Azide-Tetrazole Equilibrium of 2-Azido-1, 3-benzothiazoles
",
International Conference on Chemical, Agricultural and Medical Sciences (CAMS-2013)
, Kuala Lumpur (Malaysia)., Dec. 29-30, 2013.
Abstract
n/a
2012
Kodlaa, A., and S. El-Taher,
"
A DFT study on the structures and stabilities of As-doped Sin− 1 (n= 2–15) clusters
",
Computational and Theoretical Chemistry
, vol. 992: Elsevier, pp. 134-141, 2012.
Abstract
n/a
2011
Metwally, N. H., and S. El-Taher,
"
Synthesis, theoretical study, and antimicrobial activity of novel polysubstituted thiazoles
",
Heterocycles
, vol. 83, issue 5: Japan Institute of Heterocyclic Chemistry, pp. 1029-1040, 2011.
Abstract
n/a
2009
El-Taher, S.,
"
Theoretical investigation of the oxidation pathways of HO•-initiated reactions of acrolein, methacrolein, and trans-crotonaldehyde
",
Canadian Journal of Chemistry
, vol. 87, issue 12, pp. 1716-1726, 2009.
Abstract
n/a
2006
El-Taher, S.,
"
Ab initio and DFT investigation of fluorinated methyl hydroperoxides: Structures, rotational barriers, and thermochemical properties
",
Journal of fluorine chemistry
, vol. 127, issue 1: Elsevier, pp. 54-62, 2006.
Abstract
n/a
2005
El‐Taher, S.,
"
Ab initio and DFT investigation of the structures and properties of chloromethyl and chlorofluoromethyl peroxyl radicals
",
International journal of quantum chemistry
, vol. 102, issue 2: Wiley Online Library, pp. 178-188, 2005.
Abstract
n/a
2004
El‐Taher, S., and A. A. El‐Azhary,
"
Theoretical investigation of the structures and properties of fluoromethyl peroxyl radicals
",
International journal of quantum chemistry
, vol. 98, issue 6: Wiley Online Library, pp. 502-514, 2004.
Abstract
n/a
2002
El-Taher, S., K. M. El-Sawy, and R. Hilal,
"
Electronic structure of some adenosine receptor antagonists. VQSAR investigation
",
Journal of chemical information and computer sciences
, vol. 42, issue 2: ACS Publications, pp. 386-392, 2002.
Abstract
n/a
Moustafa, H., S. El‐Taher, M. F. Shibl, and R. Hilal,
"
Equilibrium geometry and gas‐phase proton affinity of 2‐thiouracil derivatives
",
International journal of quantum chemistry
, vol. 87, issue 6: Wiley Online Library, pp. 378-388, 2002.
Abstract
n/a
2001
El‐Taher, S.,
"
Ab initio study of reactions of hydroxyl radicals with chloro‐and fluoro‐substituted methanes
",
International Journal of Quantum Chemistry
, vol. 84, issue 4: Wiley Online Library, pp. 426-440, 2001.
Abstract
n/a
El‐Taher, S., R. H. Hilal, and T. A. Albright,
"
An ab initio study of the structures and energetics of the planar ground and 90°‐twisted excited states of substituted ethylenes
",
International Journal of Quantum Chemistry
, vol. 82, issue 5: Wiley Online Library, pp. 242-254, 2001.
Abstract
n/a
2000
El‐Taher, S., and A. A. Mohamed,
"
Theoretical study on peroxyl radical additions to methyl‐substituted ethenes
",
International Journal of Quantum Chemistry
, vol. 77, issue 4: Wiley Online Library, pp. 761-771, 2000.
Abstract
n/a
1999
El-Taher, S.,
"
Properties, Dynamics, and Electronic Structure of Atoms and Molecules-Theoretical Study on the Gas-Phase Reactivity of Halogenated Alkylperoxyl Radicals Toward Alkenes
",
International Journal of Quantum Chemistry
, vol. 71, issue 3: [New York]: Wiley., pp. 273-284, 1999.
Abstract
n/a
El‐Taher, S.,
"
Theoretical study on the gas‐phase reactivity of halogenated alkylperoxyl radicals toward alkenes
",
International journal of quantum chemistry
, vol. 71, issue 3: Wiley Online Library, pp. 273-283, 1999.
Abstract
n/a
1998
El-Taher, S., and A. A. Salem,
"
Molecular Orbital Calculations on the Electronic Structures of Some Arylhydrazones
",
Structural Chemistry
, vol. 9, issue 3: Kluwer Academic Publishers-Plenum Publishers, pp. 169-177, 1998.
Abstract
n/a
1997
El‐Taher, S., and M. H. Elnagdi,
"
AM1 calculations of parts of the enthalpy surfaces for additions of active methylene nitriles to α β‐unsaturated nitriles
",
Heteroatom Chemistry
, vol. 8, issue 4: Wiley Online Library, pp. 299-307, 1997.
Abstract
n/a
El‐Taher, S.,
"
A theoretical study of malononitrile addition to carbonyl compounds
",
International journal of quantum chemistry
, vol. 62, issue 4: Wiley Online Library, pp. 419-426, 1997.
Abstract
n/a
1994
Moustafa, H., S. El‐Taher, M. M. Hamed, and R. Hilal,
"
Equilibrium geometry and electronic structure of benzylidene, arylethylidene, and heterocyclic arylidene malononitriles
",
International journal of quantum chemistry
, vol. 49, issue 6: Wiley Online Library, pp. 805-816, 1994.
Abstract
n/a
Moustafa, H., M. M. Hamed, S. El‐Taher, and R. Hilal,
"
Investigation of the electronic spectra of arylidene‐, arylethylidene‐and heterocyclicmethylene‐malononitriles. MNDO‐CI treatment
",
Berichte der Bunsengesellschaft für physikalische Chemie
, vol. 98, issue 8: Wiley Online Library, pp. 1015-1021, 1994.
Abstract
n/a
1990
Ammar, I. A., S. Darwish, M. W. Khalil, and S. El-Taher,
"
Anodic oxide film formation on Tin
",
Corrosion
, vol. 46, issue 3, pp. 197-202, 1990.
Abstract
n/a
1989
Ammar, I. A., S. Darwish, M. W. Khalil, and S. El-Taher,
"
A review on the electrochemistry of tin
",
Materials chemistry and physics
, vol. 21, issue 1: Elsevier, pp. 1-47, 1989.
Abstract
n/a
1988
and Ammar, I. A., D. K. E. - T. S. M. W. S.,
"
Electrochemical Studies on the passive behaviour of tin in different buffer solutions
",
Materialwissenschaft und Werkstofftechnik
, vol. 19, issue 8, pp. 271–279, 1988.
Abstract
n/a
Ammar, I. A., S. A. Darwish, M. W. Khalil, and S. El-Taher,
"
Kinetics of the ferro—ferricyanide electron transfer reaction on anodically formed tin oxide
",
Electrochimica acta
, vol. 33, issue 2: Elsevier, pp. 231-238, 1988.
Abstract
n/a
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Recent Publications
Adsorption of chlorine oxyanions, as water disinfectant by-products, on graphene flakes: A quantum chemical investigation
A DFT investigation of anion-π interactions between halogen oxyanions (XO3‾, X = Cl, Br, I) and aromatic pi-systems (benzene and coronene)
Unexpected favourable noncovalent interaction between chlorine oxyanions (ClOx- ; x = 1–4) and benzene: Benchmarking DFT and SAPT methods with respect to CCSD(T)
Cospatial σ‑Hole and Lone Pair Interactions of Square-Pyramidal Pentavalent Halogen Compounds with π‑Systems: A Quantum Mechanical Study
Graphene and graphene oxide as adsorbents for cadmium and lead heavy metals: A theoretical investigation
more