James J. P. Stewart

40.2k total citations · 9 hit papers
99 papers, 34.6k citations indexed

About

James J. P. Stewart is a scholar working on Organic Chemistry, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, James J. P. Stewart has authored 99 papers receiving a total of 34.6k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Organic Chemistry, 30 papers in Atomic and Molecular Physics, and Optics and 30 papers in Materials Chemistry. Recurrent topics in James J. P. Stewart's work include Advanced Chemical Physics Studies (25 papers), Chemical Thermodynamics and Molecular Structure (12 papers) and Protein Structure and Dynamics (10 papers). James J. P. Stewart is often cited by papers focused on Advanced Chemical Physics Studies (25 papers), Chemical Thermodynamics and Molecular Structure (12 papers) and Protein Structure and Dynamics (10 papers). James J. P. Stewart collaborates with scholars based in United States, United Kingdom and Canada. James J. P. Stewart's co-authors include Michael J. S. Dewar, Eamonn F. Healy, Kenneth M. Dieter, Henry A. Kurtz, P. G. Perkins, Ricardo O. Freire, Alfredo M. Simas, Gerd B. Rocha, David R. Armstrong and Santiago Olivella and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and SHILAP Revista de lepidopterología.

In The Last Decade

James J. P. Stewart

99 papers receiving 32.8k citations

Hit Papers

Development and use of quantum mechanical molecular model... 1985 2026 1998 2012 1985 1989 1989 2007 1990 2.5k 5.0k 7.5k 10.0k
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. Development and use of quantum mechanical molecular models. 76. AM1: a new general purpose quantum mechanical molecular model
    1985 11.7k citations Michael J. S. Dewar, James J. P. Stewart et al. profile →
  2. Optimization of parameters for semiempirical methods I. Method
    1989 6.7k citations James J. P. Stewart Journal of Computational Chemistry profile →
  3. Optimization of parameters for semiempirical methods II. Applications
    1989 3.3k citations James J. P. Stewart Journal of Computational Chemistry profile →
  4. Optimization of parameters for semiempirical methods V: Modification of NDDO approximations and application to 70 elements
    2007 3.0k citations James J. P. Stewart Journal of Molecular Modeling profile →
  5. MOPAC: A semiempirical molecular orbital program
    1990 2.5k citations James J. P. Stewart Journal of Computer-Aided Molecular Design profile →
  6. Optimization of parameters for semiempirical methods VI: more modifications to the NDDO approximations and re-optimization of parameters
    2012 1.6k citations James J. P. Stewart Journal of Molecular Modeling profile →
  7. Calculation of the nonlinear optical properties of molecules
    1990 729 citations James J. P. Stewart et al. Journal of Computational Chemistry profile →
  8. RM1: A reparameterization of AM1 for H, C, N, O, P, S, F, Cl, Br, and I
    2006 589 citations Gerd B. Rocha, Ricardo O. Freire et al. Journal of Computational Chemistry profile →
  9. Optimization of parameters for semiempirical methods. III Extension of PM3 to Be, Mg, Zn, Ga, Ge, As, Se, Cd, In, Sn, Sb, Te, Hg, Tl, Pb, and Bi
    1991 584 citations James J. P. Stewart Journal of Computational Chemistry profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
James J. P. Stewart United States 38 14.2k 8.9k 7.6k 7.0k 6.5k 99 34.6k
Jerzy Leszczyński United States 83 8.3k 0.6× 8.8k 1.0× 8.0k 1.1× 9.8k 1.4× 7.5k 1.2× 1.1k 32.3k
Jacopo Tomasi Italy 56 17.9k 1.3× 9.7k 1.1× 11.4k 1.5× 6.0k 0.9× 11.3k 1.8× 193 40.5k
John A. Montgomery United States 56 12.6k 0.9× 7.6k 0.9× 12.6k 1.7× 8.0k 1.1× 6.0k 0.9× 467 36.5k
J. Tomasi Italy 38 12.4k 0.9× 5.9k 0.7× 8.0k 1.1× 4.3k 0.6× 8.3k 1.3× 94 26.9k
Jan H. Jensen Denmark 49 7.7k 0.5× 8.0k 0.9× 11.0k 1.4× 10.7k 1.5× 5.7k 0.9× 155 34.6k
Walter Thiel Germany 97 15.3k 1.1× 11.3k 1.3× 15.2k 2.0× 9.4k 1.3× 7.7k 1.2× 725 46.0k
Timothy Clark Germany 70 11.4k 0.8× 9.7k 1.1× 6.9k 0.9× 3.7k 0.5× 10.3k 1.6× 582 31.2k
Michael J. S. Dewar United States 83 21.8k 1.5× 8.6k 1.0× 11.8k 1.5× 5.5k 0.8× 10.2k 1.6× 496 42.2k
Roberto Cammi Italy 52 11.2k 0.8× 7.8k 0.9× 8.7k 1.1× 4.2k 0.6× 8.6k 1.3× 145 28.8k
Jayaraman Chandrasekhar India 44 9.1k 0.6× 9.2k 1.0× 11.8k 1.6× 21.9k 3.1× 5.0k 0.8× 181 47.2k

Countries citing papers authored by James J. P. Stewart

Since Specialization
Citations

This map shows the geographic impact of James J. P. Stewart'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 James J. P. Stewart with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James J. P. Stewart more than expected).

Fields of papers citing papers by James J. P. Stewart

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James J. P. Stewart. 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 James J. P. Stewart. The network helps show where James J. P. Stewart may publish in the future.

Co-authorship network of co-authors of James J. P. Stewart

This figure shows the co-authorship network connecting the top 25 collaborators of James J. P. Stewart. A scholar is included among the top collaborators of James J. P. Stewart 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 James J. P. Stewart. James J. P. Stewart 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.
2.
Li, Wenbo, et al.. (2023). Experimental and computational snapshots of C-C bond formation in a C-nucleoside synthase. Open Biology. 13(1). 220287–220287. 6 indexed citations
3.
Stewart, James J. P., et al.. (2023). A semiempirical method optimized for modeling proteins. Journal of Molecular Modeling. 29(9). 284–284. 10 indexed citations
4.
Stewart, James J. P.. (2018). An examination of the nature of localized molecular orbitals and their value in understanding various phenomena that occur in organic chemistry. Journal of Molecular Modeling. 25(1). 7–7. 24 indexed citations
5.
Harvey, M J, et al.. (2015). Standards-based curation of a decade-old digital repository dataset of molecular information. Journal of Cheminformatics. 7(1). 43–43. 7 indexed citations
6.
Brandon, Christopher, et al.. (2015). An approach to creating a more realistic working model from a protein data bank entry. Journal of Molecular Modeling. 21(1). 3–3. 21 indexed citations
7.
Dutra, José Diogo L., et al.. (2013). Sparkle/PM7 Lanthanide Parameters for the Modeling of Complexes and Materials. Journal of Chemical Theory and Computation. 9(8). 3333–3341. 116 indexed citations
8.
Stewart, James J. P.. (2007). Optimization of parameters for semiempirical methods V: Modification of NDDO approximations and application to 70 elements. Journal of Molecular Modeling. 13(12). 1173–1213. 3018 indexed citations breakdown →
9.
Stewart, James J. P.. (2004). Optimization of parameters for semiempirical methods IV: extension of MNDO, AM1, and PM3 to more main group elements. Journal of Molecular Modeling. 10(2). 155–164. 238 indexed citations
10.
Stewart, James J. P.. (2004). Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation. Journal of Molecular Modeling. 10(1). 6–12. 90 indexed citations
11.
Stewart, James J. P., et al.. (1993). Postoperative pain management and Acute Pain Service activity in Canada. Canadian Journal of Anesthesia/Journal canadien d anesthésie. 40(6). 568–575. 58 indexed citations
12.
Truong, Thanh N., Gillian C. Lynch, Vasilios S. Melissas, et al.. (1993). MORATE: a program for direct dynamics calculations of chemical reaction rates by semiempirical molecular orbital theory. Computer Physics Communications. 75(1-2). 143–159. 103 indexed citations
13.
Stewart, James J. P.. (1990). MOPAC: A semiempirical molecular orbital program. Journal of Computer-Aided Molecular Design. 4(1). 1–103. 2453 indexed citations breakdown →
14.
Stewart, James J. P.. (1989). Optimization of parameters for semiempirical methods I. Method. Journal of Computational Chemistry. 10(2). 209–220. 6746 indexed citations breakdown →
15.
Stewart, James J. P., Larry P. Davis, & Larry W. Burggraf. (1987). Semi‐empirical calculations of molecular trajectories: Method and applications to some simple molecular systems. Journal of Computational Chemistry. 8(8). 1117–1123. 95 indexed citations
16.
Stewart, James J. P., et al.. (1986). Vibrational spectra of 2,4,6-trinitrotoluene and its isotopically substituted analogues. Spectrochimica Acta Part A Molecular Spectroscopy. 42(1). 13–21. 39 indexed citations
17.
Dewar, Michael J. S., Gilbert L. Grady, Kenneth M. Merz, & James J. P. Stewart. (1985). MNDO calculations for compounds containing mercury. Organometallics. 4(11). 1964–1966. 37 indexed citations
18.
Stewart, James J. P., Pál Császár, & Péter Pulay. (1982). Fast semiempirical calculations. Journal of Computational Chemistry. 3(2). 227–228. 62 indexed citations
19.
Perkins, P. G. & James J. P. Stewart. (1980). Cluster model for solids. Journal of the Chemical Society Faraday Transactions 2 Molecular and Chemical Physics. 76. 520–520. 27 indexed citations
20.
Armstrong, David R., P. G. Perkins, & James J. P. Stewart. (1973). Calculation of the electronic structure of boranes by the self-consistent molecular orbital method. Part II. Highly symmetrical cage anions. Journal of the Chemical Society Dalton Transactions. 627–627. 16 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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