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D-Index & Metrics

Chemistry

D-Index
56
Citations
9616
World Ranking
11814
National Ranking
3181

Research.com Recognitions

  • 1980 - Fellow of the Royal Society of Canada Academy of Science

Overview

Willem Siebrand is affiliated with the National Academies of Sciences, Engineering, and Medicine in the United States. Their academic profile reflects contributions recognized by the scientific community, including a notable award received in 1980: Fellowship of the Royal Society of Canada, designated by the Academy of Science. This distinction indicates a recognized standing within the broader field of scientific inquiry.

While there are no recorded recent papers, co-authors, or frequent publication venues associated with Willem Siebrand, the professional connection to the National Academies suggests engagement with interdisciplinary scientific collaboration and policy-oriented initiatives at a national level.

The specificity of fields of study, subfields, and main topics of research have not been documented in the available data, limiting detailed insight into the particular scientific domains of expertise. Similarly, there are no listed book publications that might provide additional perspective on the scholarly output or thematic focus areas.

The profile highlights the importance of institutional affiliation and an honorific distinction, which together imply a career involved with recognized scientific endeavors in North America within the institutional framework of the National Academies of Sciences, Engineering, and Medicine.

Best Publications

  • Laser Generation of Excitons and Fluorescence in Anthracene Crystals

    Unknown

  • Radiationless Transitions in Polyatomic Molecules. I. Calculation of Franck—Condon Factors

    Unknown

  • Radiationless Transitions in Polyatomic Molecules. II. Triplet-Ground-State Transitions in Aromatic Hydrocarbons

    Unknown

  • Spin–Orbit Coupling in Aromatic Hydrocarbons. Analysis of Nonradiative Transitions between Singlet and Triplet States in Benzene and Naphthalene

    Bryan R. Henry;Willem Siebrand

  • Model for the direct photo-isomerization of stilbene

    G. Orlandi;W. Siebrand

  • Theory of Intersystem Crossing in Aromatic Hydrocarbons

    V. Lawetz;G. Orlandi;W. Siebrand

  • Anharmonicity in Polyatomic Molecules. The CH‐Stretching Overtone Spectrum of Benzene

    Bryan R. Henry;Willem Siebrand

  • Radiationless Transitions in Polyatomic Molecules. III. Anharmonicity, Isotope Effects, and Singlet-to-Ground-State Transitions in Aromatic Hydrocarbons

    Unknown

  • Theory of vibronic intensity borrowing. Comparison of Herzberg‐Teller and Born‐Oppenheimer coupling

    Unknown

  • Franck–Condon effects in resonance Raman spectra and excitation profiles

    Willem Siebrand;Marek Z. Zgierski

  • Mechanism of Radiationless Triplet Decay in Aromatic Hydrocarbons and the Magnitude of the Franck—Condon Factors

    Unknown

  • Mode‐specific hydrogen tunneling in tropolone: An instanton approach

    Zorka Smedarchina;Willem Siebrand;Marek Z. Zgierski

  • Dispersive kinetics: a structural approach to nonexponential processes in disordered media

    Willem Siebrand;Timothy A. Wildman

  • An instanton approach to intramolecular hydrogen exchange: Tunneling splittings in malonaldehyde and the hydrogenoxalate anion

    Zorka Smedarchina;Willem Siebrand;Marek Z. Zgierski

  • Charge-transfer excitons in anthracene crystals and their role in optical charge carrier generation

    Pamela J. Bounds;Willem Siebrand

  • Nuclear Spin—Spin Coupling Involving Heavy Nuclei. The Coupling between Hg199 and H1 Nuclei in CH3HgX and CH3CH2HgX Compounds

    Unknown

  • Proton tunnelling in polyatomic molecules: A direct-dynamics instanton approach

    Willem Siebrand;Zorka Smedarchina;Marek Z. Zgierski;Antonio Fernandez-RAMOS

  • GOLDEN‐RULE TREATMENT OF HYDROGEN‐TRANSFER REACTIONS. 1. PRINCIPLES

    Willem Siebrand;Timothy A. Wildman;Marek Z. Zgierski

  • Charge-transfer excitons in anthracene crystals. A theoretical investigation of their optical absorption and thermal dissociation☆

    Pamela J. Bounds;Piotr Petelenz;Willem Siebrand

  • Exactly solvable models for vibronic coupling in molecular spectroscopy. I. Nontotally symmetric harmonic mode

    A. R. Gregory;W. H. Henneker;W. Siebrand;M. Z. Zgierski

  • Transport of Quasilocalized Excitons in Molecular Crystals

    R. W. Munn;W. Siebrand

  • Golden-rule treatment of hydrogen-transfer reactions. 2. Applications

    Willem Siebrand;Timothy A. Wildman;Marek Z. Zgierski

  • A direct-dynamics study of proton transfer through water bridges in guanine and 7-azaindole

    Zorka Smedarchina;Willem Siebrand;Antonio Fernández-Ramos;Leonid Gorb

  • A direct-dynamics study of the zwitterion-to-neutral interconversion of glycine in aqueous solution

    Antonio Fernández-Ramos;Zorka Smedarchina;Willem Siebrand;Marek Z. Zgierski

  • Theory of Charge Carrier Transport in Aromatic Hydrocarbon Crystals

    R. W. Munn;W. Siebrand

  • Calculation and spectroscopic assignment of charge-transfer states in solid anthracene, tetracene and pentacene

    P.J. Bounds;W. Siebrand;I. Eisenstein;R.W. Munn

  • Effect of line broadening mechanisms on resonance Raman excitation profiles: A possible method for measuring short lifetimes

    A.P. Penner;W. Siebrand

Frequent Co-Authors

Marek Z. Zgierski
Marek Z. Zgierski National Research Council Canada
Francesco Zerbetto
Francesco Zerbetto University of Bologna
Keith U. Ingold
Keith U. Ingold National Research Council Canada
Giorgio Orlandi
Giorgio Orlandi University of Bologna
Fabrizia Negri
Fabrizia Negri University of Bologna
Juan C. Scaiano
Juan C. Scaiano University of Ottawa
Marek Samoc
Marek Samoc Wrocław University of Science and Technology
Jerzy Leszczynski
Jerzy Leszczynski Jackson State University
David W. Pratt
David W. Pratt University of Vermont
Leonid Gorb
Leonid Gorb Jackson State University

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