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James H. Espenson

D-Index & Metrics

Chemistry

D-Index
60
Citations
13250
World Ranking
9672
National Ranking
2716

James H. Espenson 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 James H. Espenson 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: 451 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

James H. Espenson 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 James H. Espenson 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: 60 D-Index — 47th percentile

47% 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

  • 1981 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1968 - Fellow of Alfred P. Sloan Foundation

Overview

James H. Espenson was affiliated with Iowa State University in the United States during their academic career. The scientist was recognized by notable organizations for contributions to science, receiving fellowships such as the Fellow of the American Association for the Advancement of Science (AAAS) in 1981 and the Fellow of the Alfred P. Sloan Foundation in 1968.

The data available does not list specific research papers, co-authors, or publication venues directly attributed to James H. Espenson. Likewise, there is no detailed information on particular fields or subfields of study, topics covered, or book publications associated with this scientist.

Throughout their career, the scientist's work was associated with formal recognition from prestigious scientific communities, reflecting a level of involvement in research and academic activities. The absence of explicit publication or topic data in the record limits the ability to describe their research focus in more detail.

Best Publications

  • Spectroscopic parameters, electrode potentials, acid ionization constants, and electron exchange rates of the 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) radicals and ions

    Susannah L. Scott;Wen Jang Chen;Andreja Bakac;James H. Espenson

  • Cobalt-catalyzed evolution of molecular hydrogen

    Philip Connolly;James H. Espenson

  • Reactions of low-valent transition-metal complexes with hydrogen peroxide. Are they "Fenton-like" or not? 1. The case of Cu+aq and Cr2+aq

    Mohamed. Masarwa;Haim. Cohen;Dan. Meyerstein;David L. Hickman

  • Epoxidation of Styrenes by Hydrogen Peroxide As Catalyzed by Methylrhenium Trioxide

    Ahmad M. Al-Ajlouni;James H. Espenson

  • Unimolecular and bimolecular homolytic reactions of organochromium and organocobalt complexes. Kinetics and equilibria

    Andreja Bakac;James H. Espenson

  • Characterization of the structure, properties, and reactivity of a cobalt(II) macrocyclic complex

    Andreja Bakac;Mark E. Brynildson;James H. Espenson

  • Bromide Ions and Methyltrioxorhenium as Cocatalysts for Hydrogen Peroxide Oxidations and Brominations

    James H. Espenson;Zuolin Zhu;Timothy H. Zauche

  • Kinetics and Mechanism of Oxidation of Anilines by Hydrogen Peroxide As Catalyzed by Methylrhenium Trioxide

    Zuolin Zhu;James H. Espenson

  • OXIDATION OF ORGANIC SULFIDES BY ELECTROPHILICALLY-ACTIVATED HYDROGEN PEROXIDE : THE CATALYTIC ABILITY OF METHYLRHENIUM TRIOXIDE

    Karlene A. Vassell;James H. Espenson

  • Organic Reactions Catalyzed by Methylrhenium Trioxide: Dehydration, Amination, and Disproportionation of Alcohols

    Zuolin Zhu;James H. Espenson

  • Deactivation of Methylrhenium Trioxide−Peroxide Catalysts by Diverse and Competing Pathways

    Mahdi M. Abu-Omar;Peter J. Hansen;James H. Espenson

  • Kinetics and Mechanism of the Epoxidation of Alkyl-Substituted Alkenes by Hydrogen Peroxide, Catalyzed by Methylrhenium Trioxide

    Ahmad M. Al-Ajlouni;James H. Espenson

  • Mechanism of hydrogen evolution from hydridocobaloxime

    Tai-Hsiang Chao;James H. Espenson

  • Atom-transfer reactions catalyzed by methyltrioxorhenium(VII)—mechanisms and applications

    James H. Espenson

  • Kinetic study of the phthalimide N-oxyl radical in acetic acid. Hydrogen abstraction from substituted toluenes, benzaldehydes, and benzyl alcohols

    Nobuyoshi Koshino;Basudeb Saha;James H. Espenson

  • Oxidation of alcohols, aldehydes, and carboxylates by the aquachromium(IV) ion

    Susannah L. Scott;Andreja Bakac;James H. Espenson

  • Kinetics and Mechanism of the Alkylnickel Formation in One-Electron Reductions of Alkyl Halides and Hydroperoxides by a Macrocyclic Nickel(I) Complex

    A. Bakac;J. H. Espenson

  • Oxidation of Alkynes by Hydrogen Peroxide Catalyzed by Methylrhenium Trioxide

    Zuolin Zhu;James H. Espenson

  • Organic Reactions Catalyzed by Methylrhenium Trioxide: Reactions of Ethyl Diazoacetate and Organic Azides

    Zuolin Zhu;James H. Espenson

  • Uranium(VI)-Catalyzed Photooxidation of Hydrocarbons with Molecular Oxygen

    Wei-Dong Wang;Andreja Bakac;James H. Espenson

  • Oxidations of ER3 (E = P, As, or Sb) by Hydrogen Peroxide: Methylrhenium Trioxide as Catalyst

    Mahdi M. Abu-Omar;James H. Espenson

Frequent Co-Authors

Susannah L. Scott
Susannah L. Scott University of California, Santa Barbara
Ilia A. Guzei
Ilia A. Guzei University of Wisconsin–Madison
Dan Meyerstein
Dan Meyerstein Ariel University
Mahdi M. Abu-Omar
Mahdi M. Abu-Omar University of California, Santa Barbara
Basudeb Saha
Basudeb Saha University of Delaware
Dan Meisel
Dan Meisel University of Notre Dame
Mark S. Gordon
Mark S. Gordon Iowa State University
Jan H. Jensen
Jan H. Jensen University of Copenhagen
Alan M. Sargeson
Alan M. Sargeson Australian National University
Roger Alberto
Roger Alberto University of Zurich

External Links

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Related Online Degrees & Career Pathways

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For those exploring initial steps into this area, accredited criminal justice associate programs online offer flexible and affordable pathways to start a career connected to forensic applications, complementing a strong background in Chemistry.

Best Scientists Citing James H. Espenson

Fritz E. Kühn

Fritz E. Kühn

Technical University of Munich

Publications: 66

Dan Meyerstein

Dan Meyerstein

Ariel University

Publications: 58

Wolfgang A. Herrmann

Wolfgang A. Herrmann

Technical University of Munich

Publications: 35

Shunichi Fukuzumi

Shunichi Fukuzumi

Osaka University

Publications: 33

Raffaele Saladino

Raffaele Saladino

Tuscia University

Publications: 22

Mahdi M. Abu-Omar

Mahdi M. Abu-Omar

University of California, Santa Barbara

Publications: 20

Wonwoo Nam

Wonwoo Nam

Ewha Womans University

Publications: 19

Harry B. Gray

Harry B. Gray

California Institute of Technology

Publications: 17

Mirza Cokoja

Mirza Cokoja

Technical University of Munich

Publications: 17

Carlos C. Romão

Carlos C. Romão

Universidade Nova de Lisboa

Publications: 16

Vincent Artero

Vincent Artero

Grenoble Alpes University

Publications: 16

Thomas P. Davis

Thomas P. Davis

University of Queensland

Publications: 16

Jeffrey R. Long

Jeffrey R. Long

Lawrence Berkeley National Laboratory

Publications: 15

Licheng Sun

Licheng Sun

Royal Institute of Technology

Publications: 15

Suman L. Jain

Suman L. Jain

Indian Institute of Petroleum

Publications: 15

David M. Haddleton

David M. Haddleton

University of Warwick

Publications: 15

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