World's Best Scientists 2026 revealed!
Ronald J. Gillespie

Ronald J. Gillespie

D-Index & Metrics

Chemistry

D-Index
62
Citations
14457
World Ranking
8780
National Ranking
226

Ronald J. Gillespie 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 Ronald J. Gillespie 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: 440 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Ronald J. Gillespie 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 Ronald J. Gillespie 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: 62 D-Index — 52nd percentile

52% 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

  • 1977 - Chemical Institute of Canada Medal
  • 1977 - Fellow of the Royal Society, United Kingdom
  • 1965 - Fellow of the Royal Society of Canada Academy of Science
  • 1953 - Edward Harrison Memorial Prize, Royal Society of Chemistry (UK)

Overview

Ronald J. Gillespie was a scientist affiliated with McMaster University in Canada. Over the course of their career, Gillespie contributed to the field of chemistry, receiving multiple recognitions for their work. The scientist was awarded the Chemical Institute of Canada Medal in 1977 and was made a Fellow of the Royal Society, United Kingdom, in the same year. Additionally, Gillespie was honored as a Fellow of the Royal Society of Canada in 1965 within the Academy of Science and received the Edward Harrison Memorial Prize from the Royal Society of Chemistry (UK) in 1953.

Throughout their academic tenure, Gillespie's work was primarily situated within scientific research related to chemistry, given the awards and affiliations. The absence of specific publication titles, coauthors, or detailed subfields and topics in the available data limits direct reference to particular contributions or extensive collaborations.

Gillespie's connection to McMaster University positioned them within a research environment known for advancing scientific knowledge in various disciplines. The scientist's recognitions reflect engagement with communities and institutions focused on chemical sciences.

The legacy of Ronald J. Gillespie is marked by distinctions from major scientific societies and contributions acknowledged through prestigious medals and fellowships. These honors indicate an impact on their field through research, though detailed records of individual papers, co-authorships, or publication venues are not present in the available information.

Best Publications

  • Chemical bonding and molecular geometry

    Ronald J. Gillespie;Paul L.A. Popelier

  • Chemical Bonding and Molecular Geometry : From Lewis to Electron Densities

    Ronald J. Gillespie;Paul L. A. Popelier;Petr C. Ford

  • A physical basis for the VSEPR model of molecular geometry

    Richard F. W. Bader;Ronald J. Gillespie;Preston J. MacDougall

  • The electron-pair repulsion model for molecular geometry

    R. J. Gillespie

  • Electron Domains and the VSEPR Model of Molecular Geometry

    Ronald J. Gillespie;Edward A. Robinson

  • The VSEPR model revisited

    Ronald J. Gillespie

  • Fifty years of the VSEPR model

    R.J. Gillespie

  • Chemical Bonding in Hypervalent Molecules: Is the Octet Rule Relevant?

    Stéphane Noury;Bernard Silvi;Ronald J. Gillespie

  • The octet rule and hypervalence: two misunderstood concepts

    R Gillespie

  • Elektronenpaar‐Abstoßung und Molekülgestalt

    R. J. Gillespie

  • Core Distortions and Geometries of the Difluorides and Dihydrides of Ca, Sr, and Ba

    Ian Bytheway;Ronald J. Gillespie;Ting-Hua Tang;Richard F. W. Bader

  • Electron‐Pair Repulsions and Molecular Shape

    R. J. Gillespie

  • Understanding and Interpreting Molecular Electron Density Distributions

    C. F. Matta;R. J. Gillespie

  • Hammett acidity function for some super acid systems. I. Systems H2SO4-SO3, H2SO4-HSO3F, H2SO4-HSO3Cl, and H2SO4-HB(HSO4)4

    Unknown

  • THE SULPHUR–OXYGEN BOND IN SULPHURYL AND THIONYL COMPOUNDS: CORRELATION OF STRETCHING FREQUENCIES AND FORCE CONSTANTS WITH BOND LENGTHS, BOND ANGLES, AND BOND ORDERS

    Unknown

  • Study of Bond Angles and Bond Lengths in Disiloxane and Related Molecules in Terms of the Topology of the Electron Density and Its Laplacian

    Ronald J. Gillespie;Samuel A. Johnson

  • Geometry of the Fluorides, Oxofluorides, Hydrides, and Methanides of Vanadium(V), Chromium(VI), and Molybdenum(VI): Understanding the Geometry of Non-VSEPR Molecules in Terms of Core Distortion.

    Ronald J. Gillespie;Ian Bytheway;Ting-Hua Tang;Richard F. W. Bader

  • Models of molecular geometry

    Ronald J. Gillespie;Edward A. Robinson

  • THE RAMAN SPECTRA OF SULPHURIC, DEUTEROSULPHURIC, FLUOROSULPHURIC, CHLOROSULPHURIC, AND METHANESULPHONIC ACIDS AND THEIR ANIONS

    Unknown

  • Alchemists' Gold, Hg2.86 Asf6; An X-Ray Crystallographic Study of A Novel Disordered Mercury Compound Containing Metallically Bonded Infinite Cations

    I. David Brown;Brent D. Cutforth;Colin G. Davies;Ronald J. Gillespie

  • Polyatomic cations of sulfur. II. Crystal structure of octasulfur bis(hexafluoroarsenate), S8(AsF6)2

    C. G. Davies;R. J. Gillespie;J. J. Park;J. Passmore

  • Superacid solutions in hydrogen fluoride

    Ronald J. Gillespie;Jack. Liang

  • Polyatomic cations of sulfur. I. Preparation and properties of S162+, S82+, and S42+

    R. J. Gillespie;J. Passmore;P. K. Ummat;O. C. Vaidya

Frequent Co-Authors

Gary J. Schrobilgen
Gary J. Schrobilgen McMaster University
Richard F. W. Bader
Richard F. W. Bader McMaster University
Paul L. A. Popelier
Paul L. A. Popelier University of Manchester
Joseph W. Kolis
Joseph W. Kolis Clemson University
Chérif F. Matta
Chérif F. Matta Mount Saint Vincent University
Michael J. McGlinchey
Michael J. McGlinchey University College Dublin
Bernard Silvi
Bernard Silvi Sorbonne University
James Alexis Platts
James Alexis Platts Cardiff University

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