World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
82
Citations
31408
World Ranking
3041
National Ranking
226

Physics

D-Index
82
Citations
31190
World Ranking
2827
National Ranking
261

Wim Klopper publication distribution in Physics in 2026

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

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 329 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Wim Klopper D-index placement in Physics in 2026

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

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 82 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Overview

Wim Klopper is affiliated with the Karlsruhe Institute of Technology in Germany, contributing extensively to research in materials science and chemistry. Their work primarily spans materials chemistry, organic chemistry, atomic and molecular physics, and optics, as well as inorganic chemistry and electrical and electronic engineering.

The main areas of research focus include crystallization and solubility studies, X-ray diffraction in crystallography, organometallic complex synthesis and catalysis, advanced chemical physics studies, spectroscopy and quantum chemical studies, organic light-emitting diodes research, and nanocluster synthesis and applications.

Frequent publication venues for Wim Klopper include:

  • The Cambridge Structural Database
  • Chemistry - A European Journal
  • The Journal of Chemical Physics
  • Molecular Physics
  • Angewandte Chemie International Edition

Their recent publications showcase a diverse range of topics, including molecular luminescence and nonlinear optical properties, core excitations modeling, microsolvation in furans, evaluation of electron integrals with London orbitals, and electromagnetic properties of molecular ensembles. Notable recent papers include:

  • 18-Crown-6 Coordinated Metal Halides with Bright Luminescence and Nonlinear Optical Effects, 2021, Journal of the American Chemical Society
  • Quasirelativistic two-component core excitations and polarisabilities from a damped-response formulation of the Bethe-Salpeter equation, 2020, Molecular Physics
  • The first microsolvation step for furans: New experiments and benchmarking strategies, 2020, The Journal of Chemical Physics
  • Efficient evaluation of three-centre two-electron integrals over London orbitals, 2020, Molecular Physics
  • Computation of Electromagnetic Properties of Molecular Ensembles, 2020, Repository KITopen (Karlsruhe Institute of Technology)

Wim Klopper collaborates frequently with several researchers, including Frank Breher, Manfred M. Kappes, Sergei Lebedkin, Christof Holzer, and Peter W. Roesky, indicating a broad network of co-authorship within their fields.

Best Publications

  • Basis-set convergence of correlated calculations on water

    Trygve Helgaker;Wim Klopper;Henrik Koch;Jozef Noga

  • Basis-set convergence in correlated calculations on Ne, N2, and H2O

    Asger Halkier;Trygve Helgaker;Poul Jørgensen;Wim Klopper

  • The Dalton quantum chemistry program system

    Kestutis Aidas;Celestino Angeli;Keld L. Bak;Vebjørn Bakken

  • Turbomole

    Filipp Furche;Reinhart Ahlrichs;Christof Hättig;Wim Klopper

  • Optimized accurate auxiliary basis sets for RI-MP2 and RI-CC2 calculations for the atoms Rb to Rn

    Arnim Hellweg;Christof Hättig;Sebastian Höfener;Wim Klopper

  • Basis-set convergence of the energy in molecular Hartree–Fock calculations

    Asger Halkier;Trygve Helgaker;Poul Jørgensen;Wim Klopper

  • Wave functions with terms linear in the interelectronic coordinates to take care of the correlation cusp. I. General theory

    Werner Kutzelnigg;Wim Klopper

  • Dalton, a molecular electronic structure program

    H. Agren;David John. Wilson;O. Vahtras;P. R. Taylor

  • Explicitly correlated electrons in molecules.

    Christof Hättig;Wim Klopper;Andreas Köhn;David P. Tew

  • R12 methods in explicitly correlated molecular electronic structure theory

    Wim Klopper;Frederick R. Manby;Seiichiro Ten-No;Edward F. Valeev

  • Basis set convergence of the interaction energy of hydrogen-bonded complexes

    Asger Halkier;Wim Klopper;Trygve Helgaker;Poul Jo

  • Explicitly correlated second-order Møller–Plesset methods with auxiliary basis sets

    Wim Klopper;Claire C. M. Samson

  • Synthesis, Structure, and Characterization of Dinuclear Copper(I) Halide Complexes with P^N Ligands Featuring Exciting Photoluminescence Properties

    Daniel M. Zink;Michael Bächle;Thomas Baumann;Martin Nieger

  • Møller-plesset calculations taking care of the correlation CUSP

    Wim Klopper;Werner Kutzelnigg

  • Computational determination of equilibrium geometry and dissociation energy of the water dimer

    W. Klopper;J. G. C. M. van Duijneveldt-van de Rijdt;F. B. van Duijneveldt

  • CC-R12, a correlation cusp corrected coupled-cluster method with a pilot application to the Be2 potential curve

    Josef Noga;Werner Kutzelnigg;Wim Klopper

  • Quintuple-ζ quality coupled-cluster correlation energies with triple-ζ basis sets

    David P. Tew;Wim Klopper;Christian Neiss;Christof Hättig

  • Quantitative quantum chemistry

    Trygve Helgaker;Wim Klopper;David P. Tew

  • New correlation factors for explicitly correlated electronic wave functions

    David P. Tew;Wim Klopper

  • Basis-set extrapolation techniques for the accurate calculation of molecular equilibrium geometries using coupled-cluster theory

    Miriam Heckert;Mihaly Kallay;David P Tew;Wim Klopper

Frequent Co-Authors

Trygve Helgaker
Trygve Helgaker University of Oslo
David P. Tew
David P. Tew University of Oxford
Christof Hättig
Christof Hättig Ruhr University Bochum
Frank Breher
Frank Breher Karlsruhe Institute of Technology
Werner Kutzelnigg
Werner Kutzelnigg Ruhr University Bochum
Manfred M. Kappes
Manfred M. Kappes Karlsruhe Institute of Technology
Poul Jørgensen
Poul Jørgensen Aarhus University
Stefan Bräse
Stefan Bräse Karlsruhe Institute of Technology
Jeppe Olsen
Jeppe Olsen Aarhus University
Samuel Leutwyler
Samuel Leutwyler University of Bern

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