Wim Klopper

26.7k total citations · 7 hit papers
320 papers, 21.0k citations indexed

About

Wim Klopper is a scholar working on Atomic and Molecular Physics, and Optics, Organic Chemistry and Inorganic Chemistry. According to data from OpenAlex, Wim Klopper has authored 320 papers receiving a total of 21.0k indexed citations (citations by other indexed papers that have themselves been cited), including 203 papers in Atomic and Molecular Physics, and Optics, 90 papers in Organic Chemistry and 82 papers in Inorganic Chemistry. Recurrent topics in Wim Klopper's work include Advanced Chemical Physics Studies (193 papers), Spectroscopy and Quantum Chemical Studies (89 papers) and Organometallic Complex Synthesis and Catalysis (38 papers). Wim Klopper is often cited by papers focused on Advanced Chemical Physics Studies (193 papers), Spectroscopy and Quantum Chemical Studies (89 papers) and Organometallic Complex Synthesis and Catalysis (38 papers). Wim Klopper collaborates with scholars based in Germany, Norway and Netherlands. Wim Klopper's co-authors include Trygve Helgaker, Henrik Koch, Jozef Noga, Werner Kutzelnigg, David P. Tew, Christof Hättig, Poul Jørgensen, Jeppe Olsen, Asger Halkier and Angela K. Wilson and has published in prestigious journals such as Chemical Reviews, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

Wim Klopper

314 papers receiving 20.6k citations

Hit Papers

Basis-set convergence of correlated calculations on water 1991 2026 2002 2014 1997 1998 2013 2007 1999 500 1000 1.5k 2.0k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Basis-set convergence of correlated calculations on water
    1997 2.2k citations Trygve Helgaker, Wim Klopper et al. The Journal of Chemical Physics profile →
  2. Basis-set convergence in correlated calculations on Ne, N2, and H2O
    1998 1.9k citations Trygve Helgaker, Wim Klopper et al. profile →
  3. Turbomole
    2013 796 citations Wim Klopper, Florian Weigend et al. profile →
  4. Optimized accurate auxiliary basis sets for RI-MP2 and RI-CC2 calculations for the atoms Rb to Rn
    2007 636 citations Sebastian Höfener, Wim Klopper et al. profile →
  5. Basis-set convergence of the energy in molecular Hartree–Fock calculations
    1999 588 citations Trygve Helgaker, Wim Klopper et al. profile →
  6. Wave functions with terms linear in the interelectronic coordinates to take care of the correlation cusp. I. General theory
    1991 471 citations Wim Klopper et al. The Journal of Chemical Physics profile →
  7. Explicitly Correlated Electrons in Molecules
    2011 416 citations Wim Klopper, Andreas Köhn et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Wim Klopper Germany 68 13.9k 5.5k 5.0k 4.5k 3.8k 320 21.0k
David E. Woon United States 35 14.6k 1.1× 4.2k 0.8× 6.3k 1.3× 4.0k 0.9× 4.1k 1.1× 84 20.8k
Jan M. L. Martin Israel 82 13.1k 0.9× 7.2k 1.3× 5.0k 1.0× 8.3k 1.8× 4.2k 1.1× 351 25.7k
Gary W. Trucks United States 28 11.6k 0.8× 4.6k 0.8× 4.5k 0.9× 4.6k 1.0× 2.9k 0.8× 47 18.3k
Jürgen Gauß Germany 78 18.1k 1.3× 4.5k 0.8× 9.6k 1.9× 4.7k 1.0× 3.6k 0.9× 351 24.9k
David Feller United States 64 10.8k 0.8× 4.1k 0.8× 4.5k 0.9× 4.2k 0.9× 3.0k 0.8× 186 16.9k
C. David Sherrill United States 73 10.2k 0.7× 5.3k 1.0× 4.1k 0.8× 5.0k 1.1× 2.5k 0.7× 218 20.1k
John F. Stanton United States 75 17.0k 1.2× 3.6k 0.7× 8.2k 1.7× 3.7k 0.8× 2.1k 0.6× 528 24.9k
Shiro Koseki Japan 28 9.4k 0.7× 5.8k 1.1× 3.7k 0.7× 5.9k 1.3× 2.6k 0.7× 113 20.8k
Nikita Matsunaga United States 21 8.6k 0.6× 5.2k 1.0× 3.4k 0.7× 5.9k 1.3× 2.4k 0.6× 45 19.2k
Jerry A. Boatz United States 42 9.0k 0.7× 6.7k 1.2× 3.6k 0.7× 7.3k 1.6× 4.0k 1.1× 164 23.0k

Countries citing papers authored by Wim Klopper

Since Specialization
Citations

This map shows the geographic impact of Wim Klopper's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Wim Klopper with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Wim Klopper more than expected).

Fields of papers citing papers by Wim Klopper

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Wim Klopper. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Wim Klopper. The network helps show where Wim Klopper may publish in the future.

Co-authorship network of co-authors of Wim Klopper

This figure shows the co-authorship network connecting the top 25 collaborators of Wim Klopper. A scholar is included among the top collaborators of Wim Klopper based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Wim Klopper. Wim Klopper is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Baur, J., Radian Popescu, Stefanie Dehnen, et al.. (2025). Terbium and Vanadium Metal Nanoparticles Reactive Starting Materials for Liquid‐Phase Syntheses. Small. 21(31). e2503498–e2503498.
2.
Klopper, Wim, et al.. (2024). Non-linear light–matter interactions from the Bethe–Salpeter equation. The Journal of Chemical Physics. 160(6). 9 indexed citations
3.
4.
Fuhr, Olaf, et al.. (2024). Dual Role of a Novel Heteroleptic Cu(I) Complex in Visible‐Light‐Driven CO2 Reduction. Chemistry - A European Journal. 30(44). e202400765–e202400765. 4 indexed citations
5.
Wolf, Silke, Ralf Köppe, Frank Breher, et al.. (2024). [GeRu6(CO)18HI]: A Germanium‐Centered Ruthenium Carbonyl Cluster with Aromatic Ring Current. Advanced Science. 11(21). e2309043–e2309043. 1 indexed citations
6.
Holzer, Christof, et al.. (2023). Natural virtual orbitals for the GW method in the random-phase approximation and beyond. The Journal of Chemical Physics. 158(14). 144102–144102. 5 indexed citations
7.
Kehry, Max, Wim Klopper, & Christof Holzer. (2023). Robust relativistic many-body Green’s function based approaches for assessing core ionized and excited states. The Journal of Chemical Physics. 159(4). 16 indexed citations
8.
Hou, Peng, Angela Bihlmeier, Ivo Krummenacher, et al.. (2022). Impact of Heterocycle Annulation on NIR Absorbance in Quinoid Thioacene Derivatives. Chemistry - A European Journal. 28(23). e202200478–e202200478. 8 indexed citations
9.
Greisch, Jean‐François, et al.. (2022). A litmus test for the balanced description of dispersion interactions and coordination chemistry of lanthanoids. Physical Chemistry Chemical Physics. 24(41). 25106–25117. 2 indexed citations
10.
Boden, Pit, Martin Nieger, Markus Gerhards, et al.. (2021). Time‐Resolved Spectroscopy and Electronic Structure of Mono‐and Dinuclear Pyridyl‐Triazole/DPEPhos‐Based Cu(I) Complexes. Chemistry - A European Journal. 27(61). 15252–15271. 15 indexed citations
11.
Wolf, Silke, Sergei Lebedkin, Lkhamsuren Bayarjargal, et al.. (2021). 18-Crown-6 Coordinated Metal Halides with Bright Luminescence and Nonlinear Optical Effects. Journal of the American Chemical Society. 143(2). 798–804. 67 indexed citations
12.
Holzer, Christof, et al.. (2020). Synthesis of New Donor‐Substituted Biphenyls: Pre‐ligands for Highly Luminescent (C^C^D) Gold(III) Pincer Complexes. Chemistry - A European Journal. 26(71). 17156–17164. 22 indexed citations
13.
Kehry, Max, Yannick J. Franzke, Christof Holzer, & Wim Klopper. (2020). Quasirelativistic two-component core excitations and polarisabilities from a damped-response formulation of the Bethe–Salpeter equation. Molecular Physics. 118(21-22). e1755064–e1755064. 48 indexed citations
14.
Höfener, Sebastian, et al.. (2019). The extended explicitly-correlated second-order approximate coupled-cluster singles and doubles ansatz suitable for response theory. The Journal of Chemical Physics. 150(18). 184110–184110. 2 indexed citations
15.
Holzer, Christof, et al.. (2019). Explicitly Correlated Dispersion and Exchange Dispersion Energies in Symmetry-Adapted Perturbation Theory. Journal of Chemical Theory and Computation. 15(11). 5965–5986. 12 indexed citations
16.
Holzer, Christof & Wim Klopper. (2019). Ionized, electron-attached, and excited states of molecular systems with spin–orbit coupling: Two-component GW and Bethe–Salpeter implementations. The Journal of Chemical Physics. 150(20). 204116–204116. 62 indexed citations
17.
Holzer, Christof & Wim Klopper. (2018). Communication: A hybrid Bethe–Salpeter/time-dependent density-functional-theory approach for excitation energies. The Journal of Chemical Physics. 149(10). 101101–101101. 29 indexed citations
18.
Holzer, Christof, et al.. (2018). Bethe–Salpeter correlation energies of atoms and molecules. The Journal of Chemical Physics. 149(14). 24 indexed citations
19.
Klopper, Wim, Frederick R. Manby, Seiichiro Ten‐no, & Edward F. Valeev. (2006). R12 methods in explicitly correlated molecular electronic structure theory. International Reviews in Physical Chemistry. 25(3). 427–468. 339 indexed citations
20.
Dijkstra, Harm P., Martijn Q. Slagt, Aidan R. McDonald, et al.. (2003). para‐Functionalized NCN‐Pincer Palladium(II) Complexes: Synthesis, Catalysis and DFT Calculations. European Journal of Inorganic Chemistry. 2003(5). 830–838. 49 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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