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Gilles Ohanessian

Gilles Ohanessian

D-Index & Metrics

Chemistry

D-Index
44
Citations
6542
World Ranking
16929
National Ranking
747

Overview

Gilles Ohanessian is a researcher affiliated with École Polytechnique in France. Their work spans multiple fields including Physics and Astronomy, Environmental Science, and Earth and Planetary Sciences. Within these fields, Ohanessian focuses on subfields such as Atomic and Molecular Physics, and Optics, Ecology, and Atmospheric Science.

The research topics covered by Ohanessian include Spectroscopy and Quantum Chemical Studies, Isotope Analysis in Ecology, and Atmospheric Chemistry and Aerosols. This interdisciplinary approach reflects a blend of physical science methodologies applied to environmental and planetary questions.

Ohanessian has published research in the journal Physical Chemistry Chemical Physics. A notable recent paper is titled "Manifolds of low energy structures for a magic number of hydrated sulfate: SO42−(H2O)24", published in 2021. This work pertains to the structural chemistry of hydrated sulfate clusters, potentially relevant for atmospheric and physical chemistry contexts.

Frequent collaborators of Ohanessian include Carine Clavaguéra and Florian Thaunay. Collaborative publications suggest active engagement with researchers specialized in related chemical and physical sciences.

  • Carine Clavaguéra
  • Florian Thaunay

  • Physical Chemistry Chemical Physics

  • Spectroscopy and Quantum Chemical Studies
  • Isotope Analysis in Ecology
  • Atmospheric chemistry and aerosols

  • Physics and Astronomy
  • Environmental Science
  • Earth and Planetary Sciences

  • Atomic and Molecular Physics, and Optics
  • Ecology
  • Atmospheric Science

Best Publications

  • A Quantitative Basis for a Scale of Na+ Affinities of Organic and Small Biological Molecules in the Gas Phase

    S. Hoyau;K. Norrman;T. B. Mcmahon;Gilles Ohanessian

  • Is delocalization a driving force in chemistry? Benzene, allyl radical, cyclobutadiene, and their isoelectronic species

    Sason S. Shaik;Philippe C. Hiberty;Jean Michel Lefour;Gilles Ohanessian

  • Vibrational signature of charge solvation vs salt bridge isomers of sodiated amino acids in the gas phase.

    Catherine Kapota;Joël Lemaire;Philippe Maître;Gilles Ohanessian

  • Na+ Binding to Cyclic and Linear Dipeptides. Bond Energies, Entropies of Na+ Complexation, and Attachment Sites from the Dissociation of Na+-Bound Heterodimers and ab Initio Calculations

    Blas A. Cerda;Sophie Hoyau;Gilles Ohanessian;Chrys Wesdemiotis

  • Interaction of Alkali Metal Cations (Li+–Cs+) with Glycine in the Gas Phase: A Theoretical Study

    Sophie Hoyau;Gilles Ohanessian

  • Absolute Affinities of α-Amino Acids for Cu+ in the Gas Phase. A Theoretical Study

    S. Hoyau;Gilles Ohanessian

  • Fragmentation mechanisms of α-amino acids protonated under electrospray ionization: a collisional activation and ab initio theoretical study

    Françoise Rogalewicz;Yannick Hoppilliard;Gilles Ohanessian

  • The Na+ affinities of α-amino acids: side-chain substituent effects

    Michelle M. Kish;Gilles Ohanessian;Chrys Wesdemiotis

  • When does electronic delocalization become a driving force of chemical bonding

    Sason S. Shaik;Philippe C. Hiberty;Gilles Ohanessian;Jean Michel Lefour

  • An experimental and Ab initio study of the nature of the binding in gas-phase complexes of sodium ions

    T. B. McMahon;Gilles Ohanessian

  • Valence-bond concepts in transition metals: metal hydride diatomic cations

    Gilles Ohanessian;William A. Goddard

  • Comparison of minimal and extended basis sets in terms of resonant formulas. Application to 1,3 dipoles

    P. C. Hiberty;G. Ohanessian

  • Alkali metal ion binding to amino acids versus their methyl esters: affinity trends and structural changes in the gas phase.

    Jody M. Talley;Blas A. Cerda;Gilles Ohanessian;Chrys Wesdemiotis

  • Is the delocalized π-system of benzene a stable electronic system?

    Philippe C. Hiberty;Sason S. Shaik;Jean Michel Lefour;Gilles Ohanessian

  • Theoretical study of transition-metal hydrides. 5. Hafnium to mercury (HfH+ through HgH+), barium and lanthanum (BaH+ and LaH+)

    Gilles Ohanessian;Mark J. Brusich;William A. Goddard

  • Molecular complexes of small alkanes with cobalt(1

    Jason K. Perry;Gilles Ohanessian;William A. Goddard

  • Vibrational signatures of protonated, phosphorylated amino acids in the gas phase.

    Catarina F Correia;Petru O Balaj;Debora Scuderi;Philippe Maitre

  • Complexation of small organic molecules by Cu

    Sophie Hoyau;Gilles Ohanessian

  • Interaction of neutral and zwitterionic glycine with Zn2+ in gas phase: ab initio and SIBFA molecular mechanics calculations

    Francoise Rogalewicz;Gilles Ohanessian;Nohad Gresh

  • VALENCE-BOND DESCRIPTION OF CONJUGATED MOLECULES. 3. THE THROUGH-RESONANCE CONCEPT IN PARA-SUBSTITUTED NITROBENZENES

    P. C. Hiberty;G. Ohanessian

Frequent Co-Authors

Philippe C. Hiberty
Philippe C. Hiberty University of Paris-Saclay
Sason Shaik
Sason Shaik Hebrew University of Jerusalem
Philippe Maître
Philippe Maître University of Paris-Saclay
Chrys Wesdemiotis
Chrys Wesdemiotis University of Akron
William A. Goddard
William A. Goddard California Institute of Technology
Odile Eisenstein
Odile Eisenstein University of Montpellier
Enric Canadell
Enric Canadell Institut de Ciència de Materials de Barcelona
Josep M. Poblet
Josep M. Poblet Rovira i Virgili University
Patrick M. Dansette
Patrick M. Dansette Université Paris Cité
Gerard Meijer
Gerard Meijer Fritz Haber Institute of the Max Planck Society

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