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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 69 6114 1863 254 20017

George C. Pimentel publications per year

The chart shows the history of publications by George C. Pimentel between 1950 and 2019, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. George C. Pimentel published across 70 years, from 1950 to 2019, averaging 3.7 papers a year. Output peaked at 15 publications in 1965. 1 of the 259 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1950 to 2019. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 1965. 1950: 1 publication 1951: 4 publications 1952: 4 publications 1953: 4 publications 1954: 5 publications 1955: 11 publications 1956: 5 publications 1957: 3 publications 1958: 7 publications 1959: 1 publication 1960: 7 publications 1961: 4 publications 1962: 6 publications 1963: 7 publications 1964: 9 publications 1965: 15 publications 1966: 8 publications 1967: 8 publications 1968: 12 publications 1969: 12 publications 1970: 10 publications 1971: 7 publications 1972: 8 publications 1973: 10 publications 1974: 3 publications 1975: 8 publications 1976: 4 publications 1977: 3 publications 1978: 6 publications 1979: 5 publications 1980: 1 publication 1981: 5 publications 1982: 5 publications 1983: 3 publications 1984: 6 publications 1985: 2 publications 1986: 6 publications 1987: 3 publications 1988: 3 publications 1989: 12 publications 1990: 8 publications 1991: 5 publications 1992: 0 publications 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 1 publication 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 1 publication
1950 2019

259 publications in total across all disciplines

View publications per year as a table
George C. Pimentel: publications per year, 1950 to 2019
Year Publications
1950 1
1951 4
1952 4
1953 4
1954 5
1955 11
1956 5
1957 3
1958 7
1959 1
1960 7
1961 4
1962 6
1963 7
1964 9
1965 15
1966 8
1967 8
1968 12
1969 12
1970 10
1971 7
1972 8
1973 10
1974 3
1975 8
1976 4
1977 3
1978 6
1979 5
1980 1
1981 5
1982 5
1983 3
1984 6
1985 2
1986 6
1987 3
1988 3
1989 12
1990 8
1991 5
1992 0
1993 0
1994 1
1995 0
1996 0
1997 0
1998 1
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 0
2009 0
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 1
Total 259
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George C. Pimentel publications per year - data summary

  • George C. Pimentel, a Chemistry scholar from University of California, Berkeley, has 259 publications recorded across 70 years, from 1950 to 2019.
  • The oldest publication on record dates to 1950 and the most recent to 2019.
  • The most productive year is 1965, with 15 publications.
  • The least productive years with any output are 1950, 1959, 1980, 1994 and others, with 1 publication each.
  • 25 of the 70 years in the span carry no publications at all (1992, 1993, 1995, 1996 and others).
  • The rate of publication averages 3.7 papers per year over the whole span, or 5.8 per year counting only the 45 years with at least one publication.
  • The last 5 years on the chart (2015-2019) hold 1 publication, <1% of the career total.
  • Split into equal eras - 1950-1973: 168 publications (7.0 per year); 1974-1997: 89 publications (3.7 per year); 1998-2019: 2 publications (0.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is declining.

George C. Pimentel 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 George C. Pimentel 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, 241–260 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: 254 publications — 51st percentile

51% 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
241–260 1,100 254
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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George C. Pimentel publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • George C. Pimentel, a Chemistry scholar from University of California, Berkeley, records 254 publications - the 51st percentile of the discipline.
  • 51% of ranked Chemistry scientists score the same or lower than George C. Pimentel, and about 49% score higher.
  • The median of the discipline falls in the 241–260 publications range, and George C. Pimentel falls inside that same range.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

George C. Pimentel 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 George C. Pimentel 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, 68–69 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: 69 D-Index — 66th percentile

66% 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 69
70–71 646
72–73 561
74–75 501
76–77 437
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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George C. Pimentel D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • George C. Pimentel, a Chemistry scholar from University of California, Berkeley, records 69 D-Index - the 66th percentile of the discipline.
  • 66% of ranked Chemistry scientists score the same or lower than George C. Pimentel, and about 34% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and George C. Pimentel ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Research.com Recognitions

  • 1990 - George C. Pimentel Award in Chemical Education, American Chemical Society (ACS)
  • 1989 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1989 - Priestley Medal, American Chemical Society (ACS)
  • 1987 - Oesper Award, University of Cincinnati and American Chemical Society
  • 1986 - Welch Award in Chemistry, Robert A. Welch Foundation
  • 1983 - US President's National Medal of Science "For his varied and ingenious use of infrared spectroscopy to study chemical bonding and molecular dynamics, and for his discovery of the first chemically pumped laser, which has had strong scientific impact as well as practical applications.", Presented by President Reagan at a White House Ceremony on February 27, 1985.
  • 1983 - Peter Debye Award, American Chemical Society (ACS)
  • 1982 - Linus Pauling Award, American Chemical Society (ACS)
  • 1982 - Wolf Prize in Chemistry, Wolf Foundation for development of matrix isolation spectroscopy and for the discovery of photodissociation lasers and chemical lasers.
  • 1966 - Member of the National Academy of Sciences
  • 1965 - Fellow of American Physical Society (APS)
  • 1954 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

George C. Pimentel was affiliated with the University of California, Berkeley in the United States. Their career included significant contributions to the development and application of infrared spectroscopy and laser technology within chemical research.

Pimentel was recognized by membership in the National Academy of Sciences in 1966, highlighting their standing in the scientific community. They were also a Fellow of the American Physical Society since 1965, as well as a Fellow of the John Simon Guggenheim Memorial Foundation from 1954. Later in their career, they were elected Fellow of the American Association for the Advancement of Science in 1989.

The scientist's awards reflected a range of achievements across chemical education and research. Major honors included the George C. Pimentel Award in Chemical Education from the American Chemical Society (ACS) in 1990 and the Priestley Medal from the ACS in 1989. Pimentel also received the Oesper Award from the University of Cincinnati and ACS in 1987, the Welch Award in Chemistry from the Robert A. Welch Foundation in 1986, and the Peter Debye Award from ACS in 1983.

Significant international recognition came with the Wolf Prize in Chemistry in 1982, awarded for developments in matrix isolation spectroscopy and discovery of photodissociation lasers and chemical lasers.

In 1983, Pimentel was awarded the US President's National Medal of Science, presented by President Ronald Reagan at a White House ceremony in 1985. The citation for this honor noted their varied use of infrared spectroscopy to study chemical bonding and molecular dynamics, as well as the discovery of the first chemically pumped laser with both scientific and practical applications. That same year, Pimentel received the Linus Pauling Award from ACS.

Their work notably included investigating molecular dynamics using matrix isolation methods and pioneering chemically pumped lasers that influenced further research and practical technologies within physical chemistry and spectroscopy.

Best Publications

  • The hydrogen bond

    George C. Pimentel;Aubrey L McClellan;Roger Hayward

  • The Bonding of Trihalide and Bifluoride Ions by the Molecular Orbital Method

    George C. Pimentel

  • Infrared Studies of Hydrogen Bonding of Water by the Matrix Isolation Technique

    Matthias Van Thiel;Edwin D. Becker;George C. Pimentel

  • Matrix Isolation Method for the Experimental Study of Unstable Species

    Eric Whittle;David A. Dows;George C. Pimentel

  • Correlation of Infrared Stretching Frequencies and Hydrogen Bond Distances in Crystals

    George C. Pimentel;Charles H. Sederholm

  • ATOMIC IODINE PHOTODISSOCIATION LASER

    Jerome V. V. Kasper;George C. Pimentel

  • Vibrational Energy Distribution through Chemical Laser Studies. I. Fluorine Atoms plus Hydrogen or Methane

    John H. Parker;George C. Pimentel

  • Infrared Spectrum and Vibrational Potential Function of Ketene and the Deuterated Ketenes

    C. Bradley Moore;George C. Pimentel

  • Systematics of the Infrared Spectral Properties of Hydrogen Bonding Systems: Frequency Shift, Half Width and Intensity

    Charles M. Huggins;George C. Pimentel

  • Isomerization of Nitrous Acid: An Infrared Photochemical Reaction

    Richard T. Hall;George C. Pimentel

  • Photolysis of Nitromethane and of Methyl Nitrite in an Argon Matrix; Infrared Detection of Nitroxyl, HNO

    Harmon W. Brown;George C. Pimentel

  • Infrared Detection of the Formyl Radical HCO

    George E. Ewing;Warren E. Thompson;George C. Pimentel

  • Proton Magnetic Resonance Studies of Chloroform in Solution: Evidence for Hydrogen Bonding

    Charles M. Huggins;George C. Pimentel;James N. Shoolery

  • Krypton Fluoride: Preparation by the Matrix Isolation Technique.

    J. J. Turner;George C. Pimentel

  • Hydrogen Bonding and Electronic Transitions: The Role of the Franck-Condon Principle

    George C. Pimentel

  • Infrared Absorptions of Interstitial Hydrogen Atoms in Solid Argon and Krypton

    Vladimir E. Bondybey;George C. Pimentel

  • HCl Chemical Laser

    Jerome V. V. Kasper;George C. Pimentel

  • Matrix isolation infrared studies of lithium bonding

    Bruce S. Ault;George C. Pimentel

  • HCO production, vibrational relaxation, chemical kinetics, and spectroscopy following laser photolysis of formaldehyde

    J. P. Reilly;J. H. Clark;C. Bradley Moore;George C. Pimentel

  • Matrix isolation studies of hydrogen bonding. Vibrational correlation diagram

    Bruce S. Ault;Eleanor Steinback;George C. Pimentel

Frequent Co-Authors

C. Bradley Moore
C. Bradley Moore University of California, Berkeley
Yuan-Pern Lee
Yuan-Pern Lee Academia Sinica
Willis B. Person
Willis B. Person University of Florida
George E. Ewing
George E. Ewing Indiana University
Kenneth S. Pitzer
Kenneth S. Pitzer University of California, Berkeley
Dolphus E. Milligan
Dolphus E. Milligan Carnegie Mellon University
James P. Reilly
James P. Reilly Indiana University
Heinz Frei
Heinz Frei Lawrence Berkeley National Laboratory
William Klemperer
William Klemperer Harvard University
Richard J. Saykally
Richard J. Saykally University of California, Berkeley

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