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Clifford E. Dykstra

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 56 11854 3188 199 9164

Clifford E. Dykstra publications per year

The chart shows the history of publications by Clifford E. Dykstra between 1975 and 2010, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Clifford E. Dykstra published across 36 years, from 1975 to 2010, averaging 5.6 papers a year. Output peaked at 11 publications in 1981. 3 of the 200 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1975 to 2010. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 1981. 1975: 3 publications 1976: 5 publications 1977: 6 publications 1978: 6 publications 1979: 4 publications 1980: 4 publications 1981: 11 publications 1982: 8 publications 1983: 7 publications 1984: 9 publications 1985: 7 publications 1986: 11 publications 1987: 11 publications 1988: 8 publications 1989: 6 publications 1990: 8 publications 1991: 6 publications 1992: 9 publications 1993: 11 publications 1994: 3 publications 1995: 9 publications 1996: 3 publications 1997: 7 publications 1998: 3 publications 1999: 6 publications 2000: 6 publications 2001: 3 publications 2002: 3 publications 2003: 4 publications 2004: 3 publications 2005: 2 publications 2006: 3 publications 2007: 2 publications 2008: 0 publications 2009: 2 publications 2010: 1 publication
1975 2010

200 publications in total across all disciplines

View publications per year as a table
Clifford E. Dykstra: publications per year, 1975 to 2010
Year Publications
1975 3
1976 5
1977 6
1978 6
1979 4
1980 4
1981 11
1982 8
1983 7
1984 9
1985 7
1986 11
1987 11
1988 8
1989 6
1990 8
1991 6
1992 9
1993 11
1994 3
1995 9
1996 3
1997 7
1998 3
1999 6
2000 6
2001 3
2002 3
2003 4
2004 3
2005 2
2006 3
2007 2
2008 0
2009 2
2010 1
Total 200
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Clifford E. Dykstra 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 Clifford E. Dykstra 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, 181–200 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: 199 publications — 32nd percentile

32% 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 1,344 199
201–220 1,281
221–240 1,216
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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Clifford E. Dykstra 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 Clifford E. Dykstra 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, 56–57 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: 56 D-Index — 36th percentile

36% 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 56
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
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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Research.com Recognitions

  • 1979 - Fellow of Alfred P. Sloan Foundation

Overview

Clifford E. Dykstra is a researcher affiliated with the University of Illinois at Urbana-Champaign in the United States. Their academic profile indicates involvement in scholarly work within an established institution recognized for its research activities.

Dykstra was recognized as a Fellow of the Alfred P. Sloan Foundation in 1979, marking a milestone in their career. This fellowship is awarded to early-career scientists and scholars of outstanding promise, highlighting their status at that time.

There are no listed publications, co-authors, or specific research topics publicly detailed in the available data. Similarly, no records of frequent publication venues, book publications, or fields and subfields of study are provided.

This absence of detailed bibliographic information limits a comprehensive mapping of Dykstra's research focus areas or thematic contributions. However, given the association with a major research university and recognition via the Sloan Foundation fellowship, it is evident that their work engaged with scientific or scholarly inquiry at a professional level.

The profile does not include current research activities or recent academic output, and it appears that there is no publicly accessible listing of collaborative networks or publication metrics related to their work.

Best Publications

  • An electron pair operator approach to coupled cluster wave functions. Application to He2, Be2, and Mg2 and comparison with CEPA methods

    Richard A. Chiles;Clifford E. Dykstra

  • Derivative Hartree—Fock theory to all orders

    Clifford E. Dykstra;Paul G. Jasien

  • Changes in the electronic structure and vibrational potential of hydrogen fluoride upon dimerization: A well‐correlated (HF)2 potential energy surface

    Daniel W. Michael;Clifford E. Dykstra;James M. Lisy

  • A theory of self‐consistent electron pairs. Computational methods and preliminary applications

    Clifford E. Dykstra;Henry F. Schaefer;Wilfried Meyer

  • The vinylidene-acetylene rearrangement. A self-consistent electron pairs study of a model unimolecular reaction

    Clifford E. Dykstra;Henry F. Schaefer

  • Correlation of Carbon-13 and Oxygen-17 Chemical Shifts and the Vibrational Frequency of Electrically Perturbed Carbon Monoxide: A Possible Model for Distal Ligand Effects in Carbonmonoxyheme Proteins

    Joseph D. Augspurger;Clifford E. Dykstra;Eric Oldfield

  • Electron correlation in small metal clusters. Application of a theory of self‐consistent electron pairs to the Be4 system

    Clifford E. Dykstra;Henry F. Schaefer;Wilfried Meyer

  • An efficient and accurate approximation to double substitution coupled cluster wavefunctions

    Richard A. Chiles;Clifford E. Dykstra

  • Molecular mechanics for weakly interacting assemblies of rare gas atoms and small molecules

    Clifford E. Dykstra

  • A theory of vibrational transition frequency shifts due to hydrogen bonding

    Shi Yi Liu;Clifford E. Dykstra

  • Multipole polarizabilities and hyperpolarizabilities of AHn and A2Hn molecules from derivative Hartree-Fock theory

    Shiyi. Liu;Clifford E. Dykstra

  • Structures and vibrational frequencies of small water complexes from electrical molecular mechanics

    Clifford E. Dykstra

  • The nature of hydrogen bonding in the NN–HF, OC–HF, and HCN–HF complexes

    Mark A. Benzel;Clifford E. Dykstra

  • Electromagnetic properties of molecules from a uniform procedure for differentiation of molecular wave functions to high order

    Joseph D. Augspurger;Clifford E. Dykstra

  • Hydrogen-bond swapping in the benzene-water complex. A model study of the interaction potential

    Joseph D. Augspurger;Clifford E. Dykstra;Timothy S. Zwier

  • A Molecular Model for the Major Conformational Substates in Heme Proteins

    Eric Oldfield;Kermin Guo;Joseph D. Augspurger;Clifford E. Dykstra

  • The structure and stability of the 10-F-2 trifluoride ion, a compound of a hypervalent first row element

    Paul A. Cahill;Clifford E. Dykstra;J. C. Martin

  • The stabilities of the hydrogen fluoride trimer and tetramer

    Shi‐Yi Liu;Daniel W. Michael;Clifford E. Dykstra;James M. Lisy

  • Static Dipole Polarizabilities of Organic Molecules. Ab Initio Calculations and a Predictive Model

    Joyce M. Stout;Clifford E. Dykstra

  • Improved counterpoise corrections for the ab initio calculation of hydrogen bonding interactions

    Sharilyn K. Loushin;Shi‐Yi Liu;Clifford E. Dykstra

  • Efficient calculation of electrically based intermolecular potentials of weakly bonded clusters

    Clifford E. Dykstra

Frequent Co-Authors

Henry F. Schaefer
Henry F. Schaefer University of Georgia
Bernard Kirtman
Bernard Kirtman University of California, Santa Barbara
Wilfried Meyer
Wilfried Meyer Technical University of Kaiserslautern
Robert R. Lucchese
Robert R. Lucchese Lawrence Berkeley National Laboratory
Timothy S. Zwier
Timothy S. Zwier Purdue University West Lafayette
Leo Radom
Leo Radom University of Sydney
Anthony J. Arduengo
Anthony J. Arduengo University of Alabama
Gary B. Schuster
Gary B. Schuster Georgia Institute of Technology
John A. Montgomery
John A. Montgomery University of Connecticut
Rodney J. Bartlett
Rodney J. Bartlett University of Florida

External Links

Personal website of Clifford E. Dykstra

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Best Scientists Citing Clifford E. Dykstra

Henry F. Schaefer

Henry F. Schaefer

University of Georgia

Publications: 68

Rodney J. Bartlett

Rodney J. Bartlett

University of Florida

Publications: 48

Benoît Champagne

Benoît Champagne

University of Namur

Publications: 47

Josef Paldus

Josef Paldus

University of Waterloo

Publications: 44

Nicholas C. Handy

Nicholas C. Handy

University of Cambridge

Publications: 29

David J. Nesbitt

David J. Nesbitt

University of Colorado Boulder

Publications: 25

Bernard Kirtman

Bernard Kirtman

University of California, Santa Barbara

Publications: 25

Martin Head-Gordon

Martin Head-Gordon

University of California, Berkeley

Publications: 25

H. S. Gutowsky

H. S. Gutowsky

University of Illinois at Urbana-Champaign

Publications: 25

George Maroulis

George Maroulis

University of Patras

Publications: 24

Jean-Marie André

Jean-Marie André

University of Namur

Publications: 23

Steve Scheiner

Steve Scheiner

Utah State University

Publications: 22

Kwang S. Kim

Kwang S. Kim

Ulsan National Institute of Science and Technology

Publications: 21

Peter Pulay

Peter Pulay

University of Arkansas at Fayetteville

Publications: 20

Piotr Piecuch

Piotr Piecuch

Michigan State University

Publications: 19

Martin A. Suhm

Martin A. Suhm

University of Göttingen

Publications: 19

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