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Attila G. Császár

Attila G. Császár

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Chemistry
Hungary
2026

D-Index & Metrics

Chemistry

D-Index
70
Citations
18125
World Ranking
5829
National Ranking
4

Research.com Recognitions

  • 2026 - Research.com Chemistry in Hungary Leader Award
  • 2025 - Research.com Chemistry in Hungary Leader Award
  • 2023 - Research.com Chemistry in Hungary Leader Award
  • 2022 - Research.com Chemistry in Hungary Leader Award

Overview

Attila G. Császár is affiliated with Eötvös Loránd University in Hungary. Their research spans multiple disciplines, prominently in Chemistry, Physics and Astronomy, and Earth and Planetary Sciences. The scientist's work primarily focuses on spectroscopy and related fields, including deep investigations in Spectroscopy, Atomic and Molecular Physics, and Optics as well as Atmospheric Science.

The main topics covered in their research include:

  • Spectroscopy and Laser Applications
  • Atmospheric Ozone and Climate
  • Advanced Chemical Physics Studies
  • Molecular Spectroscopy and Structure
  • Spectroscopy and Quantum Chemical Studies
  • Quantum, superfluid, helium dynamics
  • Atmospheric and Environmental Gas Dynamics

Attila G. Császár has published extensively in various scientific journals. Frequent publication venues include:

  • Journal of Quantitative Spectroscopy and Radiative Transfer
  • Physical Chemistry Chemical Physics
  • Journal of Physical and Chemical Reference Data
  • Journal of Computational Chemistry
  • The Journal of Chemical Physics

Recent notable papers authored or coauthored by Császár include:

  • The HITRAN2020 molecular spectroscopic database (2021), published in Journal of Quantitative Spectroscopy and Radiative Transfer
  • W2020: A Database of Validated Rovibrational Experimental Transitions and Empirical Energy Levels of H216O (2020), published in Journal of Physical and Chemical Reference Data
  • Spectroscopic-network-assisted precision spectroscopy and its application to water (2020), published in Nature Communications
  • The W2020 Database of Validated Rovibrational Experimental Transitions and Empirical Energy Levels of Water Isotopologues. II. H217O and H218O with an Update to H216O (2020), published in Journal of Physical and Chemical Reference Data
  • An update to the MARVEL data set and ExoMol line list for 12C2 (2020), published in Monthly Notices of the Royal Astronomical Society

Frequent collaborators in Császár's research include:

  • Tibor Furtenbacher
  • Roland Tóbiás
  • Jonathan Tennyson
  • Irén Simkó
  • S. N. Yurchenko

Best Publications

  • HEAT: High accuracy extrapolated ab initio thermochemistry.

    Attila Tajti;Péter G. Szalay;Péter G. Szalay;Attila G. Császár;Mihály Kállay

  • In pursuit of the ab initio limit for conformational energy prototypes

    Attila G. Császár;Wesley D. Allen;Henry F. Schaefer

  • A systematic study of molecular vibrational anharmonicity and vibration-rotation interaction by self-consistent-field higher-derivative methods. Linear polyatomic molecules

    Wesley D. Allen;Wesley D. Allen;Yukio Yamaguchi;Yukio Yamaguchi;Attila G. Császár;Attila G. Császár;D.Allen Clabo;D.Allen Clabo

  • High-accuracy extrapolated ab initio thermochemistry. II. Minor improvements to the protocol and a vital simplification.

    Yannick J. Bomble;Juana Vázquez;Mihály Kállay;Christine Michauk

  • Conformers of gaseous glycine

    Attila G. Csaszar

  • High-Accuracy ab Initio Rotation-Vibration Transitions for Water

    Oleg L. Polyansky;Attila G. Csaszar;Sergei V. Shirin;Nikolai F. Zobov

  • IUPAC Critical Evaluation of Thermochemical Properties of Selected Radicals. Part I

    Branko Ruscic;James E. Boggs;Alexander Burcat;Attila G. Császár

  • IUPAC Critical Evaluation of the Rotational-Vibrational Spectra of Water Vapor. Part II. Energy Levels and Transition Wavenumbers for HD16O, HD17O, and HD18O

    Jonathan Tennyson;Peter F. Bernath;Linda R. Brown;Alain Campargue

  • Capture of hydroxymethylene and its fast disappearance through tunnelling

    Peter R. Schreiner;Hans Peter Reisenauer;Frank C. Pickard;Andrew C. Simmonett

  • Recommended isolated-line profile for representing high-resolution spectroscopic transitions (IUPAC Technical Report)

    Jonathan Tennyson;Peter F. Bernath;Alain Campargue;Attila G. Császár

  • MARVEL: measured active rotational-vibrational energy levels

    Tibor Furtenbacher;Attila G. Császár;Jonathan Tennyson

  • IUPAC critical evaluation of the rotational-vibrational spectra of water vapor, Part III: Energy levels and transition wavenumbers for H216O

    Jonathan Tennyson;Peter F. Bernath;Linda R. Brown;Alain Campargue

  • The fourth age of quantum chemistry: molecules in motion

    Attila G. Császár;Csaba Fábri;Tamás Szidarovszky;Edit Mátyus

  • IUPAC critical evaluation of the rotational–vibrational spectra of water vapor. Part I—Energy levels and transition wavenumbers for H217O and H218O

    Jonathan Tennyson;Peter F. Bernath;Linda R. Brown;Alain Campargue

  • Toward black-box-type full- and reduced-dimensional variational (ro)vibrational computations

    Edit Mátyus;Gábor Czakó;Attila G. Császár

  • Definitive Ab Initio Studies of Model SN2 Reactions CH3X+F− (X=F, Cl, CN, OH, SH, NH2, PH2)

    Jason M. Gonzales;Chaeho Pak;R. Sidney Cox;Wesley D. Allen

  • Recommended isolated-line profile for representing high-resolution spectroscopic transitions (IUPAC Technical Report)

    Jonathan Tennyson;Peter F. Bernath;Alain Campargue;Attila G. Csaszar

  • Conformers of Gaseous α-Alanine

    Attila G. Császár

  • On equilibrium structures of the water molecule

    Attila G. Császár;Gábor Czakó;Tibor Furtenbacher;Jonathan Tennyson

  • On the ab initio determination of higher-order force constants at nonstationary reference geometries

    Wesley D. Allen;Attila G. Császár

Frequent Co-Authors

Jonathan Tennyson
Jonathan Tennyson University College London
Gábor Czakó
Gábor Czakó University of Szeged
Wesley D. Allen
Wesley D. Allen University of Georgia
Henry F. Schaefer
Henry F. Schaefer University of Georgia
Peter F. Bernath
Peter F. Bernath Old Dominion University
Péter G. Szalay
Péter G. Szalay Eötvös Loránd University
Wim Klopper
Wim Klopper Karlsruhe Institute of Technology
András Perczel
András Perczel Eötvös Loránd University
Ann Carine Vandaele
Ann Carine Vandaele Royal Belgian Institute for Space Aeronomy
Kenneth Hedberg
Kenneth Hedberg Oregon State University

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