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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 71 5553 5040 1713 1427 288 17913

Elfi Kraka publications per year

The chart shows the history of publications by Elfi Kraka between 1983 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Elfi Kraka published across 44 years, from 1983 to 2026, averaging 7 papers a year. Output peaked at 24 publications in 2020. 10 of the 309 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1983 to 2026. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2020. 1983: 2 publications 1984: 6 publications 1985: 5 publications 1986: 5 publications 1987: 2 publications 1988: 0 publications 1989: 1 publication 1990: 1 publication 1991: 5 publications 1992: 4 publications 1993: 8 publications 1994: 4 publications 1995: 1 publication 1996: 9 publications 1997: 7 publications 1998: 5 publications 1999: 2 publications 2000: 8 publications 2001: 11 publications 2002: 11 publications 2003: 3 publications 2004: 5 publications 2005: 2 publications 2006: 2 publications 2007: 4 publications 2008: 8 publications 2009: 7 publications 2010: 4 publications 2011: 1 publication 2012: 6 publications 2013: 7 publications 2014: 9 publications 2015: 3 publications 2016: 10 publications 2017: 7 publications 2018: 6 publications 2019: 12 publications 2020: 24 publications 2021: 23 publications 2022: 23 publications 2023: 16 publications 2024: 20 publications 2025: 8 publications 2026: 2 publications
1983 2026

309 publications in total across all disciplines

View publications per year as a table
Elfi Kraka: publications per year, 1983 to 2026
Year Publications
1983 2
1984 6
1985 5
1986 5
1987 2
1988 0
1989 1
1990 1
1991 5
1992 4
1993 8
1994 4
1995 1
1996 9
1997 7
1998 5
1999 2
2000 8
2001 11
2002 11
2003 3
2004 5
2005 2
2006 2
2007 4
2008 8
2009 7
2010 4
2011 1
2012 6
2013 7
2014 9
2015 3
2016 10
2017 7
2018 6
2019 12
2020 24
2021 23
2022 23
2023 16
2024 20
2025 8
2026 2
Total 309
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Elfi Kraka 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 Elfi Kraka 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, 281–300 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: 288 publications — 60th percentile

60% 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
261–280 979
281–300 939 288
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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Elfi Kraka 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 Elfi Kraka 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, 70–71 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: 71 D-Index — 70th percentile

70% 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 71
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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Overview

Elfi Kraka is affiliated with Southern Methodist University in the United States and has an extensive research profile primarily in the fields of chemistry and materials science. Their work spans subfields such as materials chemistry, atomic and molecular physics and optics, physical and theoretical chemistry, spectroscopy, and molecular biology.

Their main research topics include crystallography and molecular interactions, advanced chemical physics studies, computational drug discovery methods, spectroscopy and quantum chemical studies, protein structure and dynamics, molecular spectroscopy and structure, and molecular spectroscopy and chirality.

Kraka has contributed significantly to scientific literature, with numerous publications in frequent venues such as the Journal of Computational Chemistry, Chemical Physics Letters, The Journal of Physical Chemistry A, Inorganic Chemistry, and the International Journal of Molecular Sciences.

Significant recent papers authored or coauthored by Kraka include:

  • Decoding chemical information from vibrational spectroscopy data: Local vibrational mode theory (2020), published in Wiley Interdisciplinary Reviews Computational Molecular Science
  • The Local Vibrational Mode Theory and Its Place in the Vibrational Spectroscopy Arena (2022), published in The Journal of Physical Chemistry A

Other notable recent contributions where Kraka is involved include research on advanced reactive machine learning potentials in condensed-phase chemistry (2024, Nature Chemistry), assessments of protein-ligand hydrogen bond strength patterns (2023, International Journal of Molecular Sciences), and investigations related to uranium and the nuclear fuel cycle (2022, International Journal of Molecular Sciences).

Kraka frequently collaborates with several researchers, including Marek Freindorf, Renaldo T. Moura, Wenli Zou, Peng Tao, and Yunwen Tao, with collaboration frequencies ranging from 13 to 41 joint publications.

Best Publications

  • Chemical Bonds without Bonding Electron Density — Does the Difference Electron‐Density Analysis Suffice for a Description of the Chemical Bond?

    Dieter Cremer;Elfi Kraka

  • A Description of the Chemical Bond in Terms of Local Properties of Electron Density and Energy

    Dieter Cremer;Elfi Kraka

  • DESCRIPTION OF CONJUGATION AND HYPERCONJUGATION IN TERMS OF ELECTRON DISTRIBUTIONS

    R. F. W. Bader;T. S. Slee;D. Cremer;E. Kraka

  • Theoretical determination of molecular structure and conformation. 15. Three-membered rings: bent bonds, ring strain, and surface delocalization

    Dieter Cremer;Elfi Kraka

  • An Accurate Description of the Bergman Reaction Using Restricted and Unrestricted DFT: Stability Test, Spin Density, and On-Top Pair Density†

    Jürgen Gräfenstein;Angelica M. Hjerpe;Elfi Kraka;Dieter Cremer

  • Energetics, Kinetics, and Product Distributions of the Reactions of Ozone with Ethene and 2,3-Dimethyl-2-butene

    M. Olzmann;E. Kraka;D. Cremer;R. Gutbrod

  • Electron correlation and the self-interaction error of density functional theory

    Victor Polo;Elfi Kraka;Dieter Cremer

  • Chemische Bindungen ohne Bindungselektronendichte ‐reicht die Differenzdichteanalyse zur Bindungsbeschreibung aus?

    Dieter Cremer;Elfi Kraka

  • Kinetic and Theoretical Investigation of the Gas-Phase Ozonolysis of Isoprene: Carbonyl Oxides as an Important Source for OH Radicals in the Atmosphere

    Roland Gutbrod;Elfi Kraka;Ralph N. Schindler;Dieter Cremer

  • Formation of OH radicals in the gas phase ozonolysis of alkenes: the unexpected role of carbonyl oxides

    Roland Gutbrod;Ralph N. Schindler;Elfi Kraka;Dieter Cremer

  • Can Unrestricted Density-Functional Theory Describe Open Shell Singlet Biradicals?

    Jürgen Gräfenstein;Elfi Kraka;Michael Filatov;Dieter Cremer

  • Computational analysis of the mechanism of chemical reactions in terms of reaction phases: hidden intermediates and hidden transition States.

    Elfi Kraka;Dieter Cremer

  • CCSD(T) Investigation of the Bergman Cyclization of Enediyne. Relative Stability of o-, m-, and p-Didehydrobenzene

    Elfi Kraka;Dieter Cremer

  • Description of homoaromaticity in terms of electron distributions

    D. Cremer;E. Kraka;T. S. Slee;R. F. W. Bader

  • Problematic p-benzyne: Orbital instabilities, biradical character, and broken symmetry

    T. Daniel Crawford;Elfi Kraka;John F. Stanton;Dieter Cremer

  • The impact of the self-interaction error on the density functional theory description of dissociating radical cations: Ionic and covalent dissociation limits

    Jürgen Gräfenstein;Elfi Kraka;Dieter Cremer

  • A CCSD (T) investigation of carbonyl oxide and dioxirane. Equilibrium geometries, dipole moments, infrared spectra, heats of formation and isomerization energies

    Dieter Cremer;Jürgen Gauss;Elfi Kraka;John F. Stanton

  • Identification of the strongest bonds in chemistry.

    Robert Kalescky;Elfi Kraka;Dieter Cremer

  • Decomposition modes of dioxirane, methyldioxirane and / dimethyldioxirane — a CCSD T , MR-AQCC and DFT investigation

    Dieter Cremer;Elfi Kraka;Peter G Szalay

  • The intrinsic strength of the halogen bond: electrostatic and covalent contributions described by coupled cluster theory

    Vytor Oliveira;Elfi Kraka;Dieter Cremer

  • Theoretical determination of molecular structure and conformation. 16. Substituted cyclopropanes - an electron density model of substituent-ring interactions

    Dieter Cremer;Elfi Kraka

Frequent Co-Authors

Dieter Cremer
Dieter Cremer Southern Methodist University
Wolfram Sander
Wolfram Sander Ruhr University Bochum
Tell Tuttle
Tell Tuttle University of Strathclyde
Emanuel Vogel
Emanuel Vogel University of Cologne
Craig M. Brown
Craig M. Brown National Institute of Standards and Technology
Richard F. W. Bader
Richard F. W. Bader McMaster University
Paul v. R. Schleyer
Paul v. R. Schleyer University of Georgia
Kálmán J. Szabó
Kálmán J. Szabó Stockholm University
Jürgen Gauss
Jürgen Gauss Johannes Gutenberg University of Mainz
John F. Stanton
John F. Stanton University of Florida

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