P. Jeffrey Hay

55.5k total citations · 8 hit papers
127 papers, 50.0k citations indexed

About

P. Jeffrey Hay is a scholar working on Atomic and Molecular Physics, and Optics, Inorganic Chemistry and Materials Chemistry. According to data from OpenAlex, P. Jeffrey Hay has authored 127 papers receiving a total of 50.0k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Atomic and Molecular Physics, and Optics, 57 papers in Inorganic Chemistry and 39 papers in Materials Chemistry. Recurrent topics in P. Jeffrey Hay's work include Advanced Chemical Physics Studies (72 papers), Atomic and Molecular Physics (25 papers) and Radioactive element chemistry and processing (23 papers). P. Jeffrey Hay is often cited by papers focused on Advanced Chemical Physics Studies (72 papers), Atomic and Molecular Physics (25 papers) and Radioactive element chemistry and processing (23 papers). P. Jeffrey Hay collaborates with scholars based in United States, France and Canada. P. Jeffrey Hay's co-authors include Willard R. Wadt, Richard L. Martin, Thom H. Dunning, Lindsay E. Roy, Jack C. Thibeault, Roald Hoffmann, Georg Schreckenbach, William A. Goddard, Luis R. Kahn and Brian L. Scott and has published in prestigious journals such as Science, Journal of the American Chemical Society and The Journal of Chemical Physics.

In The Last Decade

P. Jeffrey Hay

127 papers receiving 49.0k citations

Hit Papers

Ab initio effective core ... 1973 2026 1990 2008 1985 1985 1985 1977 2008 4.0k 8.0k 12.0k
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. Ab initio effective core potentials for molecular calculations. Potentials for K to Au including the outermost core orbitals
    1985 14.3k citations P. Jeffrey Hay, Willard R. Wadt The Journal of Chemical Physics profile →
  2. Ab initio effective core potentials for molecular calculations. Potentials for the transition metal atoms Sc to Hg
    1985 12.6k citations P. Jeffrey Hay, Willard R. Wadt The Journal of Chemical Physics profile →
  3. Ab initio effective core potentials for molecular calculations. Potentials for main group elements Na to Bi
    1985 9.2k citations Willard R. Wadt, P. Jeffrey Hay The Journal of Chemical Physics profile →
  4. Gaussian basis sets for molecular calculations. The representation of 3d orbitals in transition-metal atoms
    1977 1.9k citations P. Jeffrey Hay The Journal of Chemical Physics profile →
  5. Revised Basis Sets for the LANL Effective Core Potentials
    2008 1.2k citations P. Jeffrey Hay, Richard L. Martin et al. profile →
  6. Orbital interactions in metal dimer complexes
    1975 1.2k citations P. Jeffrey Hay, Jack C. Thibeault et al. Journal of the American Chemical Society profile →
  7. Theoretical Studies of the Ground and Excited Electronic States in Cyclometalated Phenylpyridine Ir(III) Complexes Using Density Functional Theory
    2002 654 citations P. Jeffrey Hay profile →
  8. Generalized valence bond description of bonding in low-lying states of molecules
    1973 395 citations William A. Goddard, Thom H. Dunning 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
P. Jeffrey Hay United States 61 19.0k 18.1k 15.9k 11.8k 7.8k 127 50.0k
Roald Hoffmann United States 119 24.4k 1.3× 18.0k 1.0× 15.2k 1.0× 11.1k 0.9× 7.0k 0.9× 701 55.0k
Willard R. Wadt United States 30 15.6k 0.8× 13.3k 0.7× 11.1k 0.7× 7.8k 0.7× 6.3k 0.8× 38 38.1k
Evert Jan Baerends Netherlands 93 16.8k 0.9× 20.2k 1.1× 16.2k 1.0× 23.0k 1.9× 7.2k 0.9× 368 57.5k
Tom Ziegler Canada 87 21.2k 1.1× 12.6k 0.7× 15.4k 1.0× 13.6k 1.1× 4.4k 0.6× 456 45.6k
Christopher J. Cramer United States 99 25.0k 1.3× 16.8k 0.9× 16.9k 1.1× 11.7k 1.0× 5.1k 0.7× 545 60.8k
Harry B. Gray United States 112 11.0k 0.6× 18.7k 1.0× 12.4k 0.8× 4.4k 0.4× 12.3k 1.6× 850 53.1k
Michael Dolg Germany 66 13.0k 0.7× 15.2k 0.8× 16.7k 1.1× 13.8k 1.2× 3.3k 0.4× 254 39.4k
J. G. Snijders Netherlands 58 10.4k 0.5× 11.2k 0.6× 10.0k 0.6× 11.5k 1.0× 4.2k 0.5× 136 32.8k
Florian Weigend Germany 49 18.0k 0.9× 16.5k 0.9× 14.1k 0.9× 14.0k 1.2× 6.3k 0.8× 205 50.3k
Sason Shaik Israel 101 14.4k 0.8× 12.1k 0.7× 19.6k 1.2× 8.4k 0.7× 3.7k 0.5× 614 42.3k

Countries citing papers authored by P. Jeffrey Hay

Since Specialization
Citations

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

Fields of papers citing papers by P. Jeffrey Hay

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. Jeffrey Hay. 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 P. Jeffrey Hay. The network helps show where P. Jeffrey Hay may publish in the future.

Co-authorship network of co-authors of P. Jeffrey Hay

This figure shows the co-authorship network connecting the top 25 collaborators of P. Jeffrey Hay. A scholar is included among the top collaborators of P. Jeffrey Hay 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 P. Jeffrey Hay. P. Jeffrey Hay 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.
O’Neill, Ronan, et al.. (2023). Prehospital anaesthesia by a helicopter emergency medicine service: a review. Journal of Paramedic Practice. 15(7). 280–284. 1 indexed citations
2.
Bianco, Roberto, P. Jeffrey Hay, & James T. Hynes. (2012). Proton relay and electron flow in the O–O single bond formation in water oxidation by the ruthenium blue dimer. Energy & Environmental Science. 5(7). 7741–7741. 14 indexed citations
3.
Cantat, Thibault, Christopher R. Graves, K.C. Jantunen, et al.. (2008). Evidence for the Involvement of 5f Orbitals in the Bonding and Reactivity of Organometallic Actinide Compounds: Thorium(IV) and Uranium(IV) Bis(hydrazonato) Complexes. Journal of the American Chemical Society. 130(51). 17537–17551. 114 indexed citations
4.
Schelter, Eric J., Ping Yang, Brian L. Scott, et al.. (2007). Systematic Studies of Early Actinide Complexes:  Uranium(IV) Fluoroketimides. Inorganic Chemistry. 46(18). 7477–7488. 92 indexed citations
5.
Hayton, Trevor W., James M. Boncella, Brian L. Scott, Enrique R. Batista, & P. Jeffrey Hay. (2006). Synthesis and Reactivity of the Imido Analogues of the Uranyl Ion. Journal of the American Chemical Society. 128(32). 10549–10559. 118 indexed citations
6.
Jantunen, K.C., Brian L. Scott, P. Jeffrey Hay, John C. Gordon, & Jaqueline L. Kiplinger. (2006). Dearomatization and Functionalization of Terpyridine by Lutetium(III) Alkyl Complexes. Journal of the American Chemical Society. 128(19). 6322–6323. 60 indexed citations
7.
Schwarz, Daniel E., T.M. Cameron, P. Jeffrey Hay, et al.. (2005). Hydrogen evolution from organic “hydrides”. Chemical Communications. 5919–5919. 79 indexed citations
8.
Hay, P. Jeffrey. (2003). Theoretical studies of organometallic complexes of uranium involving nitrogen ligands using density functional approaches. Faraday Discussions. 124. 69–69. 13 indexed citations
9.
Gordon, John C., G.R. Giesbrecht, David L. Clark, et al.. (2002). The First Example of a μ2-Imido Functionality Bound to a Lanthanide Metal Center:  X-ray Crystal Structure and DFT Study of [(μ-ArN)Sm(μ-NHAr)(μ-Me)AlMe2]2 (Ar = 2,6-iPr2C6H3)1. Organometallics. 21(22). 4726–4734. 78 indexed citations
10.
Schreckenbach, Georg, P. Jeffrey Hay, & Richard L. Martin. (1999). Density functional calculations on actinide compounds: Survey of recent progress and application to [UO2X4]2? (X=F, Cl, OH) and AnF6 (An=U, Np, Pu). Journal of Computational Chemistry. 20(1). 70–90. 217 indexed citations
11.
Martin, Richard L. & P. Jeffrey Hay. (1993). Cluster studies of La2CuO4: CuO6. The Journal of Chemical Physics. 98(11). 8680–8690. 35 indexed citations
12.
Cartwright, D. C. & P. Jeffrey Hay. (1987). Potential energy curves and spectral properties for electronic states of F2 and F+2. Chemical Physics. 114(3). 305–320. 41 indexed citations
13.
Hay, P. Jeffrey & Willard R. Wadt. (1985). Ab initio effective core potentials for molecular calculations. Potentials for K to Au including the outermost core orbitals. The Journal of Chemical Physics. 82(1). 299–310. 14328 indexed citations breakdown →
14.
Eberhardt, James J., et al.. (1985). Materials by Design – a Hierarchical Approach to the Design of New Materials. MRS Proceedings. 63. 3 indexed citations
15.
Hay, P. Jeffrey. (1982). Electronic states of the quadruply bonded Re2Cl82- species: an ab initio theoretical study. Journal of the American Chemical Society. 104(25). 7007–7017. 54 indexed citations
16.
Noell, J. Oakey, Marshall D. Newton, P. Jeffrey Hay, Richard L. Martin, & Frank W. Bobrowicz. (1980). An a b i n i t i o study of the bonding in diatomic nickel. The Journal of Chemical Physics. 73(5). 2360–2371. 73 indexed citations
17.
Hay, P. Jeffrey & Thom H. Dunning. (1976). Polarization CI wavefunctions: the valence states of the NH radical. The Journal of Chemical Physics. 64(12). 5077–5087. 119 indexed citations
18.
Hay, P. Jeffrey, Thom H. Dunning, & William A. Goddard. (1975). Configuration interaction studies of O3 and O+3. Ground and excited states. The Journal of Chemical Physics. 62(10). 3912–3924. 187 indexed citations
19.
Hay, P. Jeffrey, Jack C. Thibeault, & Roald Hoffmann. (1975). Orbital interactions in metal dimer complexes. Journal of the American Chemical Society. 97(17). 4884–4899. 1161 indexed citations breakdown →
20.
Hay, P. Jeffrey & William A. Goddard. (1971). The effect of symmetry restrictions upon the hyperfine properties. Chemical Physics Letters. 9(4). 356–361. 20 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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