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P. Jeffrey Hay

D-Index & Metrics

Chemistry

D-Index
62
Citations
40455
World Ranking
8674
National Ranking
2483

P. Jeffrey Hay 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 P. Jeffrey Hay 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+

This scientist: 109 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

P. Jeffrey Hay 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 P. Jeffrey Hay 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+

This scientist: 62 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2008 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

P. Jeffrey Hay is affiliated with Los Alamos National Laboratory in the United States. Their research spans multiple disciplines, including medicine, chemistry, and physics and astronomy. The scientist's work notably covers both broad and specialized topics within these fields.

Their publication record includes work in the following main fields of study:

  • Medicine
  • Chemistry
  • Physics and Astronomy

They have also contributed to several subfields, such as:

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Anesthesiology and Pain Medicine
  • Emergency Medicine
  • Cardiology and Cardiovascular Medicine

Topics addressed in their research include:

  • History and advancements in chemistry
  • Various Chemistry Research Topics
  • Advanced Chemical Physics Studies
  • Airway Management and Intubation Techniques
  • Cardiac Arrest and Resuscitation
  • Cardiac, Anesthesia and Surgical Outcomes

The scientist has published in at least one venue, contributing work to the Journal of Paramedic Practice.

The recent paper by P. Jeffrey Hay is:

  • Prehospital anaesthesia by a helicopter emergency medicine service: a review (2023), Journal of Paramedic Practice

P. Jeffrey Hay has collaborated with several co-authors across their publications, including:

  • Thom H. Dunning
  • Ronan O'Neill
  • Andrew Topping
  • Darren Monaghan
  • Glenn O'Rorke

The scientist has been recognized with professional honors and is a Fellow of the American Association for the Advancement of Science (AAAS), awarded in 2008.

Best Publications

  • <i>Ab initio</i> effective core potentials for molecular calculations. Potentials for K to Au including the outermost core orbitals

    Unknown

  • <i>Ab initio</i> effective core potentials for molecular calculations. Potentials for main group elements Na to Bi

    Unknown

  • Orbital interactions in metal dimer complexes

    P. Jeffrey Hay;Jack C. Thibeault;Roald Hoffmann

  • Revised Basis Sets for the LANL Effective Core Potentials.

    Lindsay E. Roy;P. Jeffrey Hay;Richard L. Martin

  • Theoretical Studies of the Ground and Excited Electronic States in Cyclometalated Phenylpyridine Ir(III) Complexes Using Density Functional Theory

    P. Jeffrey Hay

  • Gaussian Basis Sets for Molecular Calculations

    Unknown

  • Generalized valence bond description of bonding in low-lying states of molecules

    William A. Goddard;Thom H. Dunning;William J. Hunt;P. Jeffrey Hay

  • Hydrolysis of ferric ion in water and conformational equilibrium

    Richard L. Martin;P. Jeffrey Hay;Lawrence R. Pratt

  • Theoretical study of CeO2 and Ce2O3 using a screened hybrid density functional

    P. Jeffrey Hay;Richard L. Martin;Jamal Uddin;Gustavo E. Scuseria

  • Density functional calculations on first‐row transition metals

    Thomas V. Russo;Richard L. Martin;P. Jeffrey Hay

  • Theoretical Studies of the Properties and Solution Chemistry of AnO22+and AnO2+Aquo Complexes for An = U, Np, and Pu

    P. Jeffrey Hay;Richard L. Martin;Georg Schreckenbach

  • Configuration interaction studies of O3 and O+3. Ground and excited states

    P. Jeffrey Hay;Thom. H. Dunning;William A. Goddard

  • Geometries and energies of the excited states of O3 from ab initio potential energy surfaces

    P. Jeffrey Hay;Thom. H. Dunning

  • 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)

    Georg Schreckenbach;P. Jeffrey Hay;Richard L. Martin

  • Relativistic contributions to the low‐lying excitation energies and ionization potentials of the transition metals

    Richard L. Martin;P. Jeffrey Hay

  • Synthesis of imido analogs of the uranyl ion.

    Trevor W. Hayton;James M. Boncella;Brian L. Scott;Phillip D. Palmer

  • Theoretical studies of the structures and vibrational frequencies of actinide compounds using relativistic effective core potentials with Hartree–Fock and density functional methods: UF6, NpF6, and PuF6

    P. Jeffrey Hay;Richard L. Martin

  • The A 2Π–X 2Σ+ red and B 2Σ+–X 2Σ+ violet systems of the CN radical: Accurate multireference configuration interaction calculations of the radiative transition probabilities

    Peter J. Knowles;Hans‐Joachim Werner;P. Jeffrey Hay;David C. Cartwright

  • Organometallic uranium(V)-imido halide complexes: from synthesis to electronic structure and bonding.

    Christopher R. Graves;Ping Yang;Stosh A. Kozimor;Anthony E. Vaughn

  • Quantum chemical studies of acid sites in zeolite ZSM-5

    Antonio Redondo;P. Jeffrey Hay

  • The covalent and ionic states of the rare gas monofluorides

    Thom H. Dunning;P. Jeffrey Hay

  • Effective Core Potentials for DFT Calculations

    Thomas V. Russo;Richard L. Martin;P. Jeffrey Hay

  • Polarization CI wavefunctions: the valence states of the NH radical

    P. Jeffrey Hay;Thom. H. Dunning

Frequent Co-Authors

Richard L. Martin
Richard L. Martin Los Alamos National Laboratory
Brian L. Scott
Brian L. Scott Los Alamos National Laboratory
David Clark
David Clark University of Glasgow
Jaqueline L. Kiplinger
Jaqueline L. Kiplinger Los Alamos National Laboratory
Rinaldo Poli
Rinaldo Poli Laboratoire de Chimie de Coordination
Bruce E. Bursten
Bruce E. Bursten University of Tennessee at Knoxville
Enrique R. Batista
Enrique R. Batista Los Alamos National Laboratory
David E. Morris
David E. Morris Los Alamos National Laboratory
Eric J. Schelter
Eric J. Schelter University of Pennsylvania
Georg Schreckenbach
Georg Schreckenbach University of Manitoba

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Related Online Degrees & Career Pathways

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Best Scientists Citing P. Jeffrey Hay

Brian L. Scott

Brian L. Scott

Los Alamos National Laboratory

Publications: 61

Laurent Maron

Laurent Maron

Federal University of Toulouse Midi-Pyrénées

Publications: 52

F. Matthias Bickelhaupt

F. Matthias Bickelhaupt

Vrije Universiteit Amsterdam

Publications: 45

Stephen T. Liddle

Stephen T. Liddle

University of Manchester

Publications: 44

Francesc Illas

Francesc Illas

University of Barcelona

Publications: 42

Enrique R. Batista

Enrique R. Batista

Los Alamos National Laboratory

Publications: 41

Georg Schreckenbach

Georg Schreckenbach

University of Manitoba

Publications: 40

Antonín Vlček

Antonín Vlček

Czech Academy of Sciences

Publications: 36

Jaqueline L. Kiplinger

Jaqueline L. Kiplinger

Los Alamos National Laboratory

Publications: 35

Trevor W. Hayton

Trevor W. Hayton

University of California, Santa Barbara

Publications: 35

Richard L. Martin

Richard L. Martin

Los Alamos National Laboratory

Publications: 34

Zhifang Chai

Zhifang Chai

Chinese Academy of Sciences

Publications: 34

Notker Rösch

Notker Rösch

Technical University of Munich

Publications: 31

Guofu Zi

Guofu Zi

Beijing Normal University

Publications: 31

Eric J. Schelter

Eric J. Schelter

University of Pennsylvania

Publications: 30

Alexander J. Blake

Alexander J. Blake

University of Nottingham

Publications: 29

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