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Frank H. Allen

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 55 11949 676 265 41509

Frank H. Allen publications per year

The chart shows the history of publications by Frank H. Allen between 1952 and 2020, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Frank H. Allen published across 69 years, from 1952 to 2020, averaging 5.1 papers a year. Output peaked at 21 publications in 1971. 2 of the 349 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1952 to 2020. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 1971. 1952: 1 publication 1953: 1 publication 1954: 0 publications 1955: 0 publications 1956: 2 publications 1957: 0 publications 1958: 0 publications 1959: 1 publication 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 1 publication 1964: 1 publication 1965: 1 publication 1966: 4 publications 1967: 2 publications 1968: 5 publications 1969: 3 publications 1970: 13 publications 1971: 21 publications 1972: 1 publication 1973: 6 publications 1974: 6 publications 1975: 2 publications 1976: 3 publications 1977: 6 publications 1978: 1 publication 1979: 3 publications 1980: 4 publications 1981: 4 publications 1982: 5 publications 1983: 2 publications 1984: 5 publications 1985: 1 publication 1986: 4 publications 1987: 4 publications 1988: 4 publications 1989: 6 publications 1990: 4 publications 1991: 12 publications 1992: 2 publications 1993: 11 publications 1994: 8 publications 1995: 12 publications 1996: 13 publications 1997: 10 publications 1998: 10 publications 1999: 7 publications 2000: 21 publications 2001: 19 publications 2002: 12 publications 2003: 5 publications 2004: 6 publications 2005: 5 publications 2006: 9 publications 2007: 4 publications 2008: 8 publications 2009: 3 publications 2010: 11 publications 2011: 7 publications 2012: 9 publications 2013: 4 publications 2014: 5 publications 2015: 2 publications 2016: 2 publications 2017: 3 publications 2018: 0 publications 2019: 0 publications 2020: 2 publications
1952 2020

349 publications in total across all disciplines

View publications per year as a table
Frank H. Allen: publications per year, 1952 to 2020
Year Publications
1952 1
1953 1
1954 0
1955 0
1956 2
1957 0
1958 0
1959 1
1960 0
1961 0
1962 0
1963 1
1964 1
1965 1
1966 4
1967 2
1968 5
1969 3
1970 13
1971 21
1972 1
1973 6
1974 6
1975 2
1976 3
1977 6
1978 1
1979 3
1980 4
1981 4
1982 5
1983 2
1984 5
1985 1
1986 4
1987 4
1988 4
1989 6
1990 4
1991 12
1992 2
1993 11
1994 8
1995 12
1996 13
1997 10
1998 10
1999 7
2000 21
2001 19
2002 12
2003 5
2004 6
2005 5
2006 9
2007 4
2008 8
2009 3
2010 11
2011 7
2012 9
2013 4
2014 5
2015 2
2016 2
2017 3
2018 0
2019 0
2020 2
Total 349
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Frank H. Allen 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 Frank H. Allen 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, 261–280 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: 265 publications — 54th percentile

54% 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
261–280 979 265
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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Frank H. Allen 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 Frank H. Allen 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, 54–55 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: 55 D-Index — 33rd percentile

33% 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 55
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
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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Best Publications

  • Tables of bond lengths determined by X-ray and neutron diffraction. Part 1. Bond lengths in organic compounds

    Frank H. Allen;Olga Kennard;David G. Watson;Lee Brammer

  • The Cambridge Structural Database: a quarter of a million crystal structures and rising

    Unknown

  • The Cambridge Crystallographic Data Centre: computer-based search, retrieval, analysis and display of information

    Unknown

  • Systematic analysis of structural data as a research technique in organic chemistry

    Unknown

  • The development of versions 3 and 4 of the Cambridge Structural Database System

    Unknown

  • The Cambridge Structural Database in Retrospect and Prospect

    Unknown

  • Supplement. Tables of bond lengths determined by X-ray and neutron diffraction. Part 2. Organometallic compounds and co-ordination complexes of the d- and f-block metals

    A. Guy Orpen;Lee Brammer;Frank H. Allen;Olga Kennard

  • CIF applications. XV. enCIFer: a program for viewing, editing and visualizing CIFs

    Unknown

  • The Nature and Geometry of Intermolecular Interactions between Halogens and Oxygen or Nitrogen

    Jos P. M. Lommerse;Anthony J. Stone;and Robin Taylor;Frank H. Allen

  • Applications of the Cambridge Structural Database in organic chemistry and crystal chemistry.

    Unknown

  • Bond lengths in organic and metal‐organic compounds revisited: X—H bond lengths from neutron diffraction data

    Unknown

  • Carbonyl–Carbonyl Interactions can be Competitive with Hydrogen Bonds

    Frank H. Allen;Christine A. Baalham;Jos P. M. Lommerse;Paul R. Raithby

  • Systematic analysis of the probabilities of formation of bimolecular hydrogen-bonded ring motifs in organic crystal structures

    Frank H. Allen;W D. Samuel Motherwell;Paul R. Raithby;Gregory P. Shields

  • Cambridge Structural Database

    Unknown

  • Hydrogen-bond directionality at the donor H atom—analysis of interaction energies and database statistics

    Unknown

  • Typical interatomic distances: organic compounds

    F. H. Allen;D. G. Watson;L. Brammer;A. G. Orpen

  • Resonance-Induced Hydrogen Bonding at Sulfur Acceptors in R1R2C=S and R1CS2− Systems

    F. H. Allen;C. M. Bird;R. S. Rowland;P. R. Raithby

  • Hydrogen-Bond Acceptor and Donor Properties of Divalent Sulfur (Y-S-Z and R-S-H)

    F. H. Allen;C. M. Bird;R. S. Rowland;P. R. Raithby

  • SUPRAMOLECULAR SYNTHONS IN CRYSTAL ENGINEERING. STRUCTURE SIMPLIFICATION, SYNTHON ROBUSTNESS AND SUPRAMOLECULAR RETROSYNTHESIS

    Venkat R. Thalladi;B. Satish Goud;Vanessa J. Hoy;Frank H. Allen

  • The geometry of small rings. I. Substituentinduced bond-length asymmetry in cyclopropane

    Unknown

Frequent Co-Authors

Judith A. K. Howard
Judith A. K. Howard Durham University
Paul R. Raithby
Paul R. Raithby University of Bath
Gautam R. Desiraju
Gautam R. Desiraju Indian Institute of Science
James Trotter
James Trotter University of British Columbia
Peter Willett
Peter Willett University of Sheffield
Ashwini Nangia
Ashwini Nangia University of Hyderabad
Lee Brammer
Lee Brammer University of Sheffield
Chris Abell
Chris Abell University of Cambridge
Tom L. Blundell
Tom L. Blundell University of Cambridge
Richard J. Lewis
Richard J. Lewis University of Queensland

External Links

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Best Scientists Citing Frank H. Allen

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Universiti Sains Malaysia

Publications: 646

José Elguero

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Spanish National Research Council

Publications: 169

Ibon Alkorta

Ibon Alkorta

Spanish National Research Council

Publications: 122

Edward R. T. Tiekink

Edward R. T. Tiekink

Sunway University

Publications: 118

Jim Simpson

Jim Simpson

University of Otago

Publications: 113

Ray J. Butcher

Ray J. Butcher

Howard University

Publications: 110

Judith A. K. Howard

Judith A. K. Howard

Durham University

Publications: 101

Michael Bolte

Michael Bolte

Goethe University Frankfurt

Publications: 97

Filipe A. Almeida Paz

Filipe A. Almeida Paz

University of Aveiro

Publications: 85

Rosa M. Claramunt

Rosa M. Claramunt

National University of Distance Education

Publications: 84

Pierre Thuéry

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Centre national de la recherche scientifique, CNRS

Publications: 84

Armando J. L. Pombeiro

Armando J. L. Pombeiro

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Publications: 80

Peter G. Jones

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Technische Universität Braunschweig

Publications: 80

Gautam R. Desiraju

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Indian Institute of Science

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