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Chemistry
USA
2026

D-Index & Metrics

Chemistry

D-Index
148
Citations
96225
World Ranking
147
National Ranking
75

Roald Hoffmann publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Roald Hoffmann sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 847 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Roald Hoffmann D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Roald Hoffmann sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 148 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Chemistry in United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award
  • 2017 - Polish Academy of Science
  • 2009 - Fellow of the American Chemical Society
  • 2009 - James T. Grady-James H. Stack Award for Interpreting Chemistry, American Chemical Society (ACS)
  • 2007 - Member of the European Academy of Sciences
  • 1998 - Kołos Medal (Medal im. Włodzimierza Kołosa), University of Warsaw and Polish Chemical Society
  • 1996 - George C. Pimentel Award in Chemical Education, American Chemical Society (ACS)
  • 1990 - Priestley Medal, American Chemical Society (ACS)
  • 1986 - NAS Award in Chemical Sciences, National Academy of Sciences (US) For his unifying contributions to chemistry, bringing together theory and experiment; quantum mechanics; and organic, inorganic, organometallic, and solid state chemistry.
  • 1984 - Fellow of the Royal Society, United Kingdom
  • 1983 - US President's National Medal of Science "His creative applications of theory to organic and inorganic chemistry have brought together the world community of chemists. The magnitude and uniqueness of his contributions to modern chemistry and the scientific process are contributing to an ever-improving understanding of chemistry.", Presented by President Reagan at a White House Ceremony on February 27, 1985.
  • 1982 - Fellow of American Physical Society (APS)
  • 1981 - Nobel Prize for their theories, developed independently, concerning the course of chemical reactions
  • 1981 - William H. Nichols Medal, American Chemical Society (ACS)
  • 1978 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1974 - Linus Pauling Award, American Chemical Society (ACS)
  • 1974 - Centenary Prize, Royal Society of Chemistry (UK)
  • 1973 - Arthur C. Cope Award, American Chemical Society (ACS)
  • 1972 - Member of the National Academy of Sciences
  • 1971 - Fellow of the American Academy of Arts and Sciences
  • 1966 - Fellow of Alfred P. Sloan Foundation

Overview

Roald Hoffmann is affiliated with Cornell University in the United States. Their research spans fields of Materials Science, with a particular emphasis on Materials Chemistry, Organic Chemistry, Atomic and Molecular Physics and Optics, Geophysics, and Mechanics of Materials.

Their scientific contributions cover a variety of main topics, including:

  • High-pressure geophysics and materials
  • Boron and Carbon Nanomaterials Research
  • Advanced Chemical Physics Studies
  • Molecular Junctions and Nanostructures
  • Energetic Materials and Combustion
  • Academic Freedom and Politics
  • Discourse Analysis in Language Studies

Recent publications by Hoffmann include:

  • Experimental observation of open structures in elemental magnesium at terapascal pressures, 2022, Nature Physics
  • Words Matter: On the Debate over Free Speech, Inclusivity, and Academic Excellence, 2022, The Journal of Physical Chemistry Letters
  • A 21st Century View of Allowed and Forbidden Electrocyclic Reactions, 2023, The Journal of Organic Chemistry
  • Varying Electronic Configurations in Compressed Atoms: From the Role of the Spatial Extension of Atomic Orbitals to the Change of Electronic Configuration as an Isobaric Transformation, 2020, Journal of Chemical Theory and Computation
  • Theoretical Studies of Furan and Thiophene Nanothreads: Structures, Cycloaddition Barriers, and Activation Volumes, 2022, Journal of the American Chemical Society

Hoffmann has published frequently in the following journals:

  • Journal of the American Chemical Society
  • Nature Physics
  • The Journal of Physical Chemistry Letters
  • The Journal of Organic Chemistry
  • Journal of Chemical Theory and Computation

The scientist's collaborative efforts include frequent work with coauthors such as:

  • N. W. Ashcroft
  • Sabri Elatresh
  • Stanimir Bonev
  • Carol A. Parish
  • Roberto Cammi

Roald Hoffmann's career has been recognized with multiple awards:

  • Polish Academy of Science, 2017
  • Fellow of the American Chemical Society, 2009
  • James T. Grady-James H. Stack Award for Interpreting Chemistry, ACS, 2009
  • Member of the European Academy of Sciences, 2007
  • Kołos Medal, University of Warsaw and Polish Chemical Society, 1998
  • George C. Pimentel Award in Chemical Education, ACS, 1996
  • Priestley Medal, ACS, 1990
  • NAS Award in Chemical Sciences, National Academy of Sciences, 1986
  • Fellow of the Royal Society, United Kingdom, 1984
  • US President's National Medal of Science, 1983
  • Fellow of American Physical Society, 1982
  • William H. Nichols Medal, ACS, 1981
  • Nobel Prize, 1981
  • Fellow of John Simon Guggenheim Memorial Foundation, 1978
  • Centenary Prize, Royal Society of Chemistry, 1974
  • Linus Pauling Award, ACS, 1974
  • Arthur C. Cope Award, ACS, 1973
  • Member of the National Academy of Sciences, 1972
  • Fellow of the American Academy of Arts and Sciences, 1971
  • Fellow of Alfred P. Sloan Foundation, 1966

Best Publications

  • An Extended Hückel Theory. I. Hydrocarbons

    Ronald Hoffmann

  • The Conservation of Orbital Symmetry

    R. B. Woodward;Roald Hoffmann

  • Interaction of orbitals through space and through bonds

    Roald Hoffmann

  • Stereochemistry of Electrocyclic Reactions

    R. B. Woodward;Roald Hoffmann

  • Orbital interactions in metal dimer complexes

    P. Jeffrey Hay;Jack C. Thibeault;Roald Hoffmann

  • Building Bridges Between Inorganic and Organic Chemistry (Nobel Lecture)

    Roald Hoffmann

  • Structure and chemistry of bis(cyclopentadienyl)-MLn complexes

    Joseph W. Lauher;Roald Hoffmann

  • Counterintuitive Orbital Mixing in Semiempirical and ab Initio Molecular Orbital Calculations

    J. H. Ammeter;H. B. Buergi;J. C. Thibeault;R. Hoffmann

  • Die Erhaltung der Orbitalsymmetrie

    R. B. Woodward;R. Hoffmann

  • Theory of Polyhedral Molecules. I. Physical Factorizations of the Secular Equation

    Roald Hoffmann;William N. Lipscomb

  • The band structure of the tetracyanoplatinate chain

    Myung-Hwan Whangbo;Roald Hoffmann

  • A Chemical and Theoretical Way to Look at Bonding on Surfaces.

    Roald Hoffmann

  • Transition metal pentacoordination

    Angelo R. Rossi;Roald. Hoffmann

  • Potential high-Tc superconducting lanthanum and yttrium hydrides at high pressure.

    Hanyu Liu;Ivan I. Naumov;Roald Hoffmann;N. W. Ashcroft

  • What Do the Kohn−Sham Orbitals and Eigenvalues Mean?

    Ralf Stowasser;Roald Hoffmann

  • Benzynes, dehydroconjugated molecules, and the interaction of orbitals separated by a number of intervening sigma bonds

    Roald Hoffmann;Akira Imamura;Warren J. Hehre

  • Selection Rules for Concerted Cycloaddition Reactions

    Roald Hoffmann;R. B. Woodward

  • Bonding capabilities of transition metal carbonyl fragments

    Mihai. Elian;Roald. Hoffmann

  • How Chemistry and Physics Meet in the Solid State

    Roald Hoffmann

  • Planar tetracoordinate carbon

    Roald Hoffmann;Roger W. Alder;Charles F. Wilcox

  • Conservation of Orbital Symmetry

    Roald Hoffmann;Robert B. Woodward

Frequent Co-Authors

N. W. Ashcroft
N. W. Ashcroft Cornell University
Xiaodong Wen
Xiaodong Wen Chinese Academy of Sciences
Rolf Gleiter
Rolf Gleiter Heidelberg University
Dean J. Tantillo
Dean J. Tantillo University of California, Davis
Santiago Alvarez
Santiago Alvarez University of Barcelona
Sason Shaik
Sason Shaik Hebrew University of Jerusalem
Kazunari Yoshizawa
Kazunari Yoshizawa Kyushu University
Robert Burns Woodward
Robert Burns Woodward Novartis (Switzerland)
Francis J. DiSalvo
Francis J. DiSalvo Cornell University
Davide M. Proserpio
Davide M. Proserpio University of Milan

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