World's Best Scientists 2026 revealed!
Robert J. Le Roy

Robert J. Le Roy

D-Index & Metrics

Chemistry

D-Index
56
Citations
16224
World Ranking
11452
National Ranking
313

Research.com Recognitions

  • 1979 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1974 - Fellow of Alfred P. Sloan Foundation

Overview

Robert J. Le Roy was affiliated with the University of Waterloo in Canada. Their research focus spanned the fields of veterinary science and medicine, with specific attention to small animals and public health, environmental, and occupational health as subfields.

The scientist contributed to topics including animal testing and alternatives as well as health and medical research impacts. Their publication record featured work published in the International Journal of Toxicology.

  • Recent papers: "I Wish I Had Known That! Impactful Guidance and Perspectives for a Fulfilling Career in Toxicology," 2025, International Journal of Toxicology

Coauthors who frequently collaborated with Robert J. Le Roy included Jessica Graham, Joel P. Bercu, Marie Fortin, Andy Kiorpes, and Sunjay Sethi.

  • Jessica Graham
  • Joel P. Bercu
  • Marie Fortin
  • Andy Kiorpes
  • Sunjay Sethi

  • International Journal of Toxicology

During their career, Robert J. Le Roy received recognition through fellowships awarded by prominent foundations. These include the Fellow of the Alfred P. Sloan Foundation in 1974 and the Fellow of the John Simon Guggenheim Memorial Foundation in 1979.

Best Publications

  • The HITRAN 2008 molecular spectroscopic database

    L.S. Rothman;I.E. Gordon;Y. Babikov;A. Barbe

  • An accurate analytic potential function for ground-state N2 from a direct-potential-fit analysis of spectroscopic data.

    Robert J. Le Roy;Yiye Huang;Calvin Jary

  • Spectroscopy and Potential Energy Surfaces of Vander Waals Molecules

    Robert J. Le Roy;J. Scott Carley

  • Improved potential energy surfaces for the interaction of H2 with Ar, Kr, and Xe

    Robert J. Le Roy;Jeremy M. Hutson

  • Anisotropic intermolecular potentials from an analysis of spectra of H2‐ and D2‐inert gas complexes

    Robert J. Le Roy;J. Van Kranendonk

  • Nonadiabatic eigenvalues and adiabatic matrix elements for all isotopes of diatomic hydrogen

    Carey Schwartz;Robert J. Le Roy

  • Shape Resonances and Rotationally Predissociating Levels: The Atomic Collision Time‐Delay Functions and Quasibound Level Properties of H2(X 1Σg+)

    Robert J. Le Roy;Richard B. Bernstein

  • Direct potential fit analysis of the X 1Σg+ state of Rb2: Nothing else will do!

    Jenning Y. Seto;Robert J. Le Roy;Jean Vergès;Claude Amiot

  • dPotFit: A computer program to fit diatomic molecule spectral data to potential energy functions

    Robert J. Le Roy

  • Infrared spectrum and potential energy surface of He–CO

    Claudio E. Chuaqui;Robert J. Le Roy;A. R. W. McKellar

  • Improved Parameterization for Combined Isotopomer Analysis of Diatomic Spectra and Its Application to HF and DF.

    Robert J. Le Roy

  • Energies and widths of quasibound levels (orbiting resonances) for spherical potentials

    Robert J. Le Roy;Wing‐Ki Liu

  • Diatom potential curves and transition moment functions from continuum absorption coefficients: Br2

    Robert J. Le Roy;R. Glen Macdonald;George Burns

  • A new potential function form incorporating extended long-range behaviour: application to ground-state Ca2

    Robert J. Le Roy;Robert D. E. Henderson

  • Accurate analytic potentials for Li2(X Σ1g+) and Li2(A Σ1u+) from 2 to 90 Å, and the radiative lifetime of Li(2p)

    Robert J. Le Roy;Nikesh S. Dattani;John A. Coxon;Amanda J. Ross

  • Monte Carlo simulations of structural properties and infrared spectra of SF6–(Ar)n clusters

    Dieter Eichenauer;Robert J. Le Roy

  • Near-dissociation expansions in the spectroscopic determination of diatom dissociation energies: method, and application to BeAr+

    Robert J. Le Roy;Wai-Ha Lam

  • Tunneling model for hydrogen abstraction reactions in low-temperature solids. Application to reactions in alcohol glasses and acetonitrile crystals

    Robert J. Le Roy;Hisao Murai;Ffrancon Williams

  • Dissociation energies and long-range potentials of diatomic molecules from vibrational spacings: The halogens

    Robert J Le Roy;Richard B Bernstein

  • Bound → continuum intensities — A computer program for calculating absorption coefficients, emission intensities or (golden rule) predissociation rates

    Robert J. Le Roy

  • Vibration-rotation emission spectra and combined isotopomer analyses for the coinage metal hydrides: CuH & CuD, AgH & AgD, and AuH & AuD

    Jenning Y. Seto;Zulfikar Morbi;Frank Charron;Sang K. Lee

  • A “modified Lennard-Jones oscillator” model for diatom potential functions

    Photos G. Hajigeorgiou;Robert J. Le Roy

  • Long-range damping functions improve the short-range behaviour of ‘MLR’ potential energy functions

    Robert J. Le Roy;Carl C. Haugen;Jason Tao;Hui Li

  • Ground State Potential Energy Curve and Dissociation Energy of MgH

    Alireza Shayesteh;Robert D. E. Henderson;Robert J. Le Roy;Peter F. Bernath

Frequent Co-Authors

Peter F. Bernath
Peter F. Bernath Old Dominion University
A. R. W. McKellar
A. R. W. McKellar National Academies of Sciences, Engineering, and Medicine
Jeremy M. Hutson
Jeremy M. Hutson Durham University
William J. Meath
William J. Meath University of Western Ontario
Benoit Simard
Benoit Simard National Research Council Canada
Erin R. Johnson
Erin R. Johnson Dalhousie University
Richard B. Bernstein
Richard B. Bernstein University of Wisconsin–Madison
Richard N. Zare
Richard N. Zare Stanford University
Marcel Nooijen
Marcel Nooijen University of Waterloo
Jonathan Tennyson
Jonathan Tennyson University College London

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens up diverse career opportunities across science, healthcare, and legal fields. Many aspiring professionals choose specialized online degrees to enhance their career prospects. For example, if you're interested in legal aspects related to chemical patents or regulatory affairs, exploring degrees for paralegals can provide valuable insights and skills.

Another promising path is pharmaceutical sales, where a strong chemistry background is crucial. Understanding drug composition and efficacy is essential to excel in this field. Those curious about entering this sector should check out the detailed guide on how to get into pharmaceutical sales, including salary expectations and career growth.

For students aiming for a more hands-on healthcare role, becoming a pharmacist is a rewarding but challenging journey. The degree demands rigorous study and training, as outlined in the resource on is it hard to become a pharmacist. This path offers strong job security and impactful work in patient care.

Alternatively, those interested in forensic science and medical investigation might consider careers such as autopsy technicians. These roles combine chemistry knowledge with anatomy and pathology. To understand the educational requirements and financial outlook, explore the article about autopsy tech salary.

Overall, pursuing online chemistry degrees can be the first step toward these dynamic and rewarding career pathways. Each role benefits from a solid foundation in chemistry, paired with specialized knowledge gained through focused education and training.

Best Scientists Citing Robert J. Le Roy

Recently Published Articles