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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 76 4156 3773 1310 1097 230 51625

Philip J. Stephens publications per year

The chart shows the history of publications by Philip J. Stephens between 1957 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Philip J. Stephens published across 67 years, from 1957 to 2023, averaging 6.7 papers a year. Output peaked at 180 publications in 2023. 180 of the 446 publications appeared in the last two years.

No. of publications
50 100 150
Bar chart. Horizontal axis: year, 1957 to 2023. Vertical axis: number of publications, 0 to 180. Peak 180 publications in 2023. 1957: 1 publication 1958: 1 publication 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 3 publications 1965: 2 publications 1966: 6 publications 1967: 3 publications 1968: 7 publications 1969: 4 publications 1970: 1 publication 1971: 4 publications 1972: 5 publications 1973: 3 publications 1974: 4 publications 1975: 7 publications 1976: 5 publications 1977: 4 publications 1978: 6 publications 1979: 8 publications 1980: 2 publications 1981: 6 publications 1982: 6 publications 1983: 3 publications 1984: 5 publications 1985: 8 publications 1986: 4 publications 1987: 7 publications 1988: 10 publications 1989: 12 publications 1990: 6 publications 1991: 14 publications 1992: 4 publications 1993: 6 publications 1994: 8 publications 1995: 6 publications 1996: 6 publications 1997: 2 publications 1998: 2 publications 1999: 6 publications 2000: 6 publications 2001: 5 publications 2002: 8 publications 2003: 3 publications 2004: 3 publications 2005: 7 publications 2006: 4 publications 2007: 8 publications 2008: 13 publications 2009: 3 publications 2010: 3 publications 2011: 1 publication 2012: 3 publications 2013: 0 publications 2014: 0 publications 2015: 1 publication 2016: 0 publications 2017: 1 publication 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 180 publications
1957 2023

446 publications in total across all disciplines

View publications per year as a table
Philip J. Stephens: publications per year, 1957 to 2023
Year Publications
1957 1
1958 1
1959 0
1960 0
1961 0
1962 0
1963 0
1964 3
1965 2
1966 6
1967 3
1968 7
1969 4
1970 1
1971 4
1972 5
1973 3
1974 4
1975 7
1976 5
1977 4
1978 6
1979 8
1980 2
1981 6
1982 6
1983 3
1984 5
1985 8
1986 4
1987 7
1988 10
1989 12
1990 6
1991 14
1992 4
1993 6
1994 8
1995 6
1996 6
1997 2
1998 2
1999 6
2000 6
2001 5
2002 8
2003 3
2004 3
2005 7
2006 4
2007 8
2008 13
2009 3
2010 3
2011 1
2012 3
2013 0
2014 0
2015 1
2016 0
2017 1
2018 0
2019 0
2020 0
2021 0
2022 0
2023 180
Total 446
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Philip J. Stephens 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 Philip J. Stephens sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 230 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 230
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Philip J. Stephens 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 Philip J. Stephens sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 76 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437 76
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Quantum mechanics
  • Enzyme

His primary scientific interests are in Density functional theory, Computational chemistry, Ab initio, Molecular physics and Vibrational circular dichroism. He studies Basis set which is a part of Density functional theory. His Basis set research is multidisciplinary, incorporating elements of Hybrid functional, Atomic physics and Harmonic.

His Computational chemistry study combines topics from a wide range of disciplines, such as Polarizable continuum model, Spectral line and Benzene. His research in Ab initio intersects with topics in Dipole, Vibrational absorption and Circular dichroism spectra. His research integrates issues of Spectroscopy, Ferredoxin and Magnetic circular dichroism in his study of Vibrational circular dichroism.

His most cited work include:

  • Ab Initio Calculation of Vibrational Absorption and Circular Dichroism Spectra Using Density Functional Force Fields (13112 citations)
  • Magnetic Optical Activity (528 citations)
  • Polarizable Continuum Model (PCM) Calculations of Solvent Effects on Optical Rotations of Chiral Molecules (414 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Vibrational circular dichroism, Circular dichroism, Crystallography, Computational chemistry and Density functional theory. Vibrational circular dichroism is a subfield of Spectral line that Philip J. Stephens investigates. Atomic physics is closely connected to Magnetic circular dichroism in his research, which is encompassed under the umbrella topic of Circular dichroism.

As a part of the same scientific family, Philip J. Stephens mostly works in the field of Computational chemistry, focusing on Ab initio and, on occasion, Infrared spectroscopy and Vibrational spectra. Philip J. Stephens works in the field of Density functional theory, focusing on Basis set in particular. His Basis set study combines topics in areas such as Hybrid functional and Dichroism.

He most often published in these fields:

  • Vibrational circular dichroism (51.38%)
  • Circular dichroism (34.40%)
  • Crystallography (27.52%)

What were the highlights of his more recent work (between 2001-2012)?

  • Vibrational circular dichroism (51.38%)
  • Absolute configuration (19.72%)
  • Density functional theory (24.77%)

In recent papers he was focusing on the following fields of study:

Vibrational circular dichroism, Absolute configuration, Density functional theory, Computational chemistry and Spectroscopy are his primary areas of study. His Vibrational circular dichroism research is multidisciplinary, relying on both Infrared spectroscopy and Physical chemistry. He has included themes like Derivative, Ab initio and Chiral column chromatography, Enantiomer in his Absolute configuration study.

His work carried out in the field of Density functional theory brings together such families of science as Infrared, Optical rotation, Spectral line, Molecule and Chirality. His Spectral line research includes elements of Oxide and Gaussian. His specific area of interest is Computational chemistry, where Philip J. Stephens studies Basis set.

Between 2001 and 2012, his most popular works were:

  • Polarizable Continuum Model (PCM) Calculations of Solvent Effects on Optical Rotations of Chiral Molecules (414 citations)
  • ECD cotton effect approximated by the Gaussian curve and other methods. (341 citations)
  • The determination of the absolute configurations of chiral molecules using vibrational circular dichroism (VCD) spectroscopy (263 citations)

In his most recent research, the most cited papers focused on:

  • Quantum mechanics
  • Organic chemistry
  • Enzyme

His main research concerns Optical rotation, Density functional theory, Absolute configuration, Computational chemistry and Time-dependent density functional theory. His Density functional theory research integrates issues from Polarizable continuum model, Polarizability and Acetonitrile. His Absolute configuration study integrates concerns from other disciplines, such as Crystallography, Vibrational circular dichroism, Circular dichroism, Thiophene and Ab initio.

His studies in Vibrational circular dichroism integrate themes in fields like Spectroscopy and Analytical chemistry. His Ab initio research focuses on Chirality and how it relates to Specific rotation. His Computational chemistry study incorporates themes from Benzene, Spectral line, Chloroform, Cyclohexane and Solvent effects.

Best Publications

  • Ab Initio Calculation of Vibrational Absorption and Circular Dichroism Spectra Using Density Functional Force Fields

    P. J. Stephens;F. J. Devlin;C. F. Chabalowski;M. J. Frisch

  • Magnetic Optical Activity

    and A D Buckingham;P J Stephens

  • Polarizable Continuum Model (PCM) Calculations of Solvent Effects on Optical Rotations of Chiral Molecules

    B. Mennucci;J. Tomasi;R. Cammi;J. R. Cheeseman

  • ECD cotton effect approximated by the Gaussian curve and other methods.

    Philip J. Stephens;Nobuyuki Harada

  • Theory of vibrational circular dichroism

    Philip J. Stephens

  • Ab initio calculation of atomic axial tensors and vibrational rotational strengths using density functional theory

    J.R. Cheeseman;M.J. Frisch;F.J. Devlin;P.J. Stephens

  • Theory of Magnetic Circular Dichroism

    P. J. Stephens

  • Vibrational circular dichroism

    L. A. Nafie;T. A. Keiderling;P. J. Stephens

  • Calculation of Optical Rotation Using Density Functional Theory

    P. J. Stephens;F. J. Devlin;J. R. Cheeseman;M. J. Frisch

  • Magnetic Circular Dichroism

    P. J. Stephens

  • The determination of the absolute configurations of chiral molecules using vibrational circular dichroism (VCD) spectroscopy

    Philip J. Stephens;Frank J. Devlin;Jian-Jung Pan

  • Protein Control of Redox Potentials of Iron−Sulfur Proteins

    P. J. Stephens;D. R. Jollie;A. Warshel

  • Ab Initio Calculation of Vibrational Absorption and Circular Dichroism Spectra Using Density Functional Force Fields: A Comparison of Local, Nonlocal, and Hybrid Density Functionals

    F. J. Devlin;J. W. Finley;P. J. Stephens;M. J. Frisch

  • Hartree−Fock and Density Functional Theory ab Initio Calculation of Optical Rotation Using GIAOs: Basis Set Dependence

    James R. Cheeseman;Michael J. Frisch;Frank J. Devlin;Philip J. Stephens

  • Determination of the structure of chiral molecules using ab initio vibrational circular dichroism spectroscopy

    P.J. Stephens;F.J. Devlin

  • Determination of absolute configurations of chiral molecules using ab initio time-dependent Density Functional Theory calculations of optical rotation: how reliable are absolute configurations obtained for molecules with small rotations?

    P.J. Stephens;D.M. McCann;J.R. Cheeseman;M.J. Frisch

  • Optical spectra of oxy- and deoxyhemoglobin

    William A. Eaton;Louise Karle Hanson;P. J. Stephens;J. C. Sutherland

  • Spectroscopic studies of stellacyanin, plastocyanin, and azurin. Electronic structure of the blue copper sites

    Edward I. Solomon;Jeffrey W. Hare;David M. Dooley;John H. Dawson

  • Gauge dependence of vibrational magnetic dipole transition moments and rotational strengths

    P. J. Stephens

  • Determination of absolute configuration using density functional theory calculations of optical rotation and electronic circular dichroism: chiral alkenes.

    McCann Dm;Stephens Pj

  • Ab initio calculation of atomic axial tensors and vibrational rotational strengths using density functional theory

    P. J. Stephens;C. S. Ashvar;F. J. Devlin;J. R. Cheeseman

Frequent Co-Authors

Frank J. Devlin
Frank J. Devlin University of Southern California
Michael J. Frisch
Michael J. Frisch Gaussian Inc.
Roger D. Amos
Roger D. Amos Australian National University
Timothy A. Keiderling
Timothy A. Keiderling University of Illinois at Chicago
Nicholas C. Handy
Nicholas C. Handy University of Cambridge
Paolo Lazzeretti
Paolo Lazzeretti University of Salerno
Edward I. Solomon
Edward I. Solomon Stanford University
Riccardo Zanasi
Riccardo Zanasi University of Salerno
Harry B. Gray
Harry B. Gray California Institute of Technology
Carlo Rosini
Carlo Rosini University of Basilicata

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