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Jim Simpson

Jim Simpson 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 Jim Simpson 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+

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

Jim Simpson 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 Jim Simpson 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+

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

Overview

Jim Simpson is affiliated with the University of Otago in New Zealand and has a research focus primarily in Materials Science and Chemistry. Their work spans a number of subfields including Materials Chemistry, Organic Chemistry, Inorganic Chemistry, Physical and Theoretical Chemistry, and Oncology.

The core areas of their research involve crystallization and solubility studies, X-ray diffraction in crystallography, and crystallography and molecular interactions. They have also contributed to studies on crystal structures of chemical compounds, synthesis and biological activity, structural and chemical analysis of organic and inorganic compounds, and synthesis and characterization of heterocyclic compounds.

Simpson has published extensively in several academic venues. Most notably, these include:

  • The Cambridge Structural Database
  • Journal of Molecular Structure
  • SSRN Electronic Journal
  • Heliyon
  • Inorganic Chemistry Communications

Their recent papers illustrate ongoing investigations into the molecular and structural aspects of chemical compounds, often combining experimental crystallography with theoretical and computational methods. Key recent publications include:

  • "Theoretical and computational insight into the supramolecular assemblies of Schiff bases involving hydrogen bonding and C H...π interactions: Synthesis, X-ray characterization, Hirshfeld surface analysis, anticancer activity and molecular docking analysis" (2021, Journal of Molecular Structure)
  • "Unraveling the impact of hydrogen bonding and C-H...π(CN) interactions in crystal engineering of cyclic aminobenzonitriles: A combined X-ray crystallographic and computational investigation" (2022, Journal of Molecular Structure)
  • "Identification of two novel thiazolidin-2-imines as tyrosinase inhibitors: synthesis, crystal structure, molecular docking and DFT studies" (2022, Heliyon)
  • "Structural, spectral studies and antimicrobial activity of Zinc(II), Cadmium(II) and Nickel(II) complexes of 2-acetylbenzothiophene-3-thiosemicarbazone and 2-acetylbenzothiophene-4-ethyl-3-thiosemicarbazone" (2022, Inorganic Chemistry Communications)
  • "Synthesis, single crystal structure determinations, Hirshfeld surface analysis, crystal voids, interaction energies, and density functional theory studies of functionalized 1,3-thiazoles" (2023, Journal of Molecular Structure)

Simpson has collaborated frequently with several researchers, including:

  • C. John McAdam
  • Imtiaz Khan
  • Antonio Frontera
  • Tuncer Hökelek
  • Aamer Saeed

This network of coauthors reflects interdisciplinary collaboration in structural chemistry and molecular interaction studies.

Best Publications

  • Paramagnetic organometallic molecules. 13. Electron-transfer-catalyzed reactions of polynuclear metal carbonyls: reactions of R2C2Co2 (CO)6

    Malini Arewgoda;Brian H. Robinson;Jim Simpson

  • Krafft Temperature Depression in Quaternary Ammonium Bromide Surfactants

    Tim W. Davey;William A. Ducker;and Alan R. Hayman;Jim Simpson

  • Paramagnetic organometallic molecules. 12. Electrochemical studies of reactions with Lewis bases following metal-metal bond cleavage in R2C2Co2(CO)6 radical anions

    Malini Arewgoda;Philip H. Rieger;Brian H. Robinson;Jim Simpson

  • Bonding studies of compounds of boron and the group IV element

    M.F. Lappert;J.B. Pedley;J. Simpson;T.R. Spalding

  • Exploiting the Role of Molecular Electrostatic Potential, Deformation Density, Topology, and Energetics in the Characterization of S···N and Cl···N Supramolecular Motifs in Crystalline Triazolothiadiazoles

    Imtiaz Khan;Piyush Panini;Salah Ud-Din Khan;Usman Ali Rana

  • Synthesis, crystal structure and biological evaluation of some novel 1,2,4-triazolo[3,4-b]-1,3,4-thiadiazoles and 1,2,4-triazolo[3,4-b]-1,3,4-thiadiazines

    Imtiaz Khan;Sumera Zaib;Aliya Ibrar;Nasim Hasan Rama

  • Synthesis, Structure, and Redox Chemistry of Ethenyl and Ethynyl Ferrocene Polyaromatic Dyads

    Laurence Cuffe;Richard D. A. Hudson;John F. Gallagher;Sarah Jennings

  • A limonoid from Xylocarpus granatum

    Udom Kokpol;Warinthorn Chavasiri;Santi Tip-pyang;Gaysorn Veerachato

  • Ferrocenylamine complexes of platinum(II) including cycloplatinated derivatives

    P. Ramani R. Ranatunge-Bandarage;Brian H. Robinson;Jim Simpson

  • Electron transfer in organometallic clusters. 8. Electron-transfer-catalyzed and thermal reactions of polydentate ligands with RCCo3(CO)9

    Alison J. Downard;Brian H. Robinson;Jim. Simpson

  • A water-soluble Pd(II) complex with a terpyridine ligand: experimental and molecular modeling studies of the interaction with DNA and BSA; and in vitro cytotoxicity investigations against five human cancer cell lines

    Farivash Darabi;Hassan Hadadzadeh;Jim Simpson;Azar Shahpiri

  • Intramolecular redox chemistry of molecules with alkyne and CCo3 cluster functionalities: electronic interaction and structural isomerism in reduced clusters with multiple redox centers

    Gillian H. Worth;Brian H. Robinson;Jim Simpson

  • A mononuclear copper(II) complex based on the polypyridyl ligand 2,4,6-tris(2-pyridyl)-1,3,5-triazine (tptz), [Cu(tptz)2]2+: X-ray crystal structure, DNA binding and in vitro cell cytotoxicity

    Khatereh Abdi;Hassan Hadadzadeh;Mona Salimi;Jim Simpson

  • Electron transfer in organometallic clusters. 2. Ferrocene-tricobalt carbon cluster compounds with multiple redox sites

    Stephen B. Colbran;Brian H. Robinson;Jim Simpson

  • Synthesis and Characterization of Chitosan/ Dextran‐Based Hydrogels for Surgical Use

    G. Liu;Z. Shi;T. Kuriger;L.R. Hanton

  • Solvent assisted synthesis, structural characterization and biological evaluation of cobalt(II) and nickel(II) complexes of Schiff bases generated from benzyl carbazate and cyclic ketones

    Palanivelu Nithya;Ramar Rajamanikandan;Jim Simpson;Malaichamy Ilanchelian

  • Paramagnetic organometallic molecules. 1. Radical anions based on the tricobalt carbon cluster

    Barrie M. Peake;Brian H. Robinson;Jim. Simpson;Douglas J. Watson

  • Synthesis and stereochemistry of bis(platinum) complexes of ferrocenylamines

    P. Ramani R. Ranatunge-Bandarage;Jim Simpson;Noel W. Duffy;S. Margaret Johnston

  • Paramagnetic organometallic molecules. 9. Metal-metal interaction in X2Co2(CO)6. Analysis of the ESR spectra of [RC2R']Co2(CO)6-.cntdot.

    Barrie M. Peake;Philip H. Rieger;Brian H. Robinson;Jim Simpson

  • A heteronuclear .mu.-alkyne complex, [.mu.-(CF3)2C2]CoMo(CO)5(.eta.-C5H5)

    Simon D. Jensen;Brian H. Robinson;Jim. Simpson

Frequent Co-Authors

Brian H. Robinson
Brian H. Robinson University of Otago
Stephen C. Moratti
Stephen C. Moratti University of Otago
Aamer Saeed
Aamer Saeed Quaid-i-Azam University
Noel W. Duffy
Noel W. Duffy Commonwealth Scientific and Industrial Research Organisation
Antonio Frontera
Antonio Frontera University of the Balearic Islands
Alan M. Bond
Alan M. Bond Monash University
Henrik G. Kjaergaard
Henrik G. Kjaergaard University of Copenhagen
Keith C. Gordon
Keith C. Gordon University of Otago
Amar H. Flood
Amar H. Flood Indiana University
Helge Müller-Bunz
Helge Müller-Bunz University College Dublin

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Best Scientists Citing Jim Simpson

Michael I. Bruce

Michael I. Bruce

Stanford University

Publications: 23

Aamer Saeed

Aamer Saeed

Quaid-i-Azam University

Publications: 22

Paul J. Low

Paul J. Low

University of Western Australia

Publications: 21

Mercè Font-Bardia

Mercè Font-Bardia

University of Barcelona

Publications: 19

Brian W. Skelton

Brian W. Skelton

University of Western Australia

Publications: 16

Heinrich Lang

Heinrich Lang

Chemnitz University of Technology

Publications: 15

František Hartl

František Hartl

University of Reading

Publications: 14

Xavier Solans

Xavier Solans

University of Barcelona

Publications: 13

Allan H. White

Allan H. White

University of Western Australia

Publications: 13

Stephen C. Moratti

Stephen C. Moratti

University of Otago

Publications: 13

Jean Sévigny

Jean Sévigny

Université Laval

Publications: 12

Michal Dušek

Michal Dušek

Czech Academy of Sciences

Publications: 10

James D. Crowley

James D. Crowley

University of Otago

Publications: 9

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Domenico Osella

University of Eastern Piedmont Amadeo Avogadro

Publications: 9

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Publications: 8

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