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Nikolas Kaltsoyannis

D-Index & Metrics

Chemistry

D-Index
66
Citations
12078
World Ranking
7488
National Ranking
433

Nikolas Kaltsoyannis 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 Nikolas Kaltsoyannis sits on this spectrum.

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 publications 1,295+

This scientist: 247 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Nikolas Kaltsoyannis 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 Nikolas Kaltsoyannis sits on this spectrum.

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 D-Index 159+

This scientist: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Overview

Nikolas Kaltsoyannis is affiliated with the University of Manchester in the United Kingdom. Their research integrates various aspects of materials science and chemistry with a strong focus on the crystallographic and chemical properties of inorganic and organometallic compounds.

Their scholarly output includes work published across prominent venues such as The Cambridge Structural Database, Journal of Nuclear Materials, Dalton Transactions, The Journal of Physical Chemistry C, and the Journal of the American Chemical Society.

The main fields of study covered in their work are:

  • Materials Science
  • Chemistry

Within these fields, their subdisciplinary focus includes:

  • Materials Chemistry
  • Inorganic Chemistry
  • Organic Chemistry
  • Condensed Matter Physics
  • Aerospace Engineering

Their research addresses key topics such as:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Radioactive element chemistry and processing
  • Nuclear Materials and Properties
  • Coordination Chemistry and Organometallics
  • Organometallic Complex Synthesis and Catalysis
  • Nuclear reactor physics and engineering

Recent papers authored or co-authored by Kaltsoyannis include:

  • "A catalytic alkene insertion approach to bicyclo[2.1.1]hexane bioisosteres," 2023, Nature Chemistry
  • "A crystalline tri-thorium cluster with σ-aromatic metal-metal bonding," 2021, Nature
  • "Exceptional uranium(VI)-nitride triple bond covalency from 15N nuclear magnetic resonance spectroscopy and quantum chemical analysis," 2021, Nature Communications
  • "Quantum chemical topology and natural bond orbital analysis of M-O covalency in M(OC6H5)4 (M = Ti, Zr, Hf, Ce, Th, Pa, U, Np)," 2020, Physical Chemistry Chemical Physics
  • "Covalency in AnCl3 (An = Th-No)," 2021, Dalton Transactions

Kaltsoyannis collaborates frequently with:

  • Victoria E. J. Berryman
  • Tatsumi Ochiai
  • Polly L. Arnold
  • Jacob J. Shephard
  • Amy N. Price

Best Publications

  • A stable two-coordinate acyclic silylene.

    Andrey V Protchenko;Krishna Hassomal Birjkumar;Deepak Dange;Andrew D Schwarz

  • Does covalency increase or decrease across the actinide series? Implications for minor actinide partitioning.

    Nikolas Kaltsoyannis

  • A catalytic alkene insertion approach to bicyclo[2.1.1]hexane bioisosteres

    Unknown

  • Small molecule activation by uranium tris(aryloxides): experimental and computational studies of binding of N2, coupling of CO, and deoxygenation insertion of CO2 under ambient conditions.

    Stephen M. Mansell;Nikolas Kaltsoyannis;Polly L. Arnold

  • MULTINUCLEAR NMR, RAMAN, EXAFS, AND X-RAY-DIFFRACTION STUDIES OF URANYL CARBONATE COMPLEXES IN NEAR-NEUTRAL AQUEOUS-SOLUTION - X-RAY STRUCTURE OF C(NH2)(3) (6) (UO2)(3)(CO3)(6) CENTER-DOT-6.5H(2)O

    Patrick G. Allen;Jerome J. Bucher;D.L. Clark;Norman M. Edelstein

  • Recent developments in computational actinide chemistry.

    Nikolas Kaltsoyannis

  • Structure, Reactivity, and Density Functional Theory Analysis of the Six-Electron Reductant, [(C5Me5)2U]2(μ-η6:η6-C6H6), Synthesized via a New Mode of (C5Me5)3M Reactivity

    William J. Evans;Stosh A. Kozimor;Joseph W. Ziller;Nikolas Kaltsoyannis

  • Experimental and theoretical comparison of actinide and lanthanide bonding in M[N(EPR2)2]3 complexes (M = U, Pu, La, Ce; E = S, Se, Te; R = Ph, iPr, H)

    Andrew J Gaunt;Sean D Reilly;Alejandro E Enriquez;Brian L Scott

  • Does covalency really increase across the 5f series? A comparison of molecular orbital, natural population, spin and electron density analyses of AnCp(3) (An = Th-Cm; Cp = eta(5)-C5H5)

    Ian Kirker;Nikolas Kaltsoyannis

  • Relativistic effects in inorganic and organometallic chemistry

    Nikolas Kaltsoyannis

  • Uncovering f-element bonding differences and electronic structure in a series of 1 : 3 and 1 : 4 complexes with a diselenophosphinate ligand

    Matthew B. Jones;Andrew J. Gaunt;John C. Gordon;Nikolas Kaltsoyannis

  • Energy-Degeneracy-Driven Covalency in Actinide Bonding

    Jing Su;Enrique R. Batista;Kevin S. Boland;Sharon E. Bone

  • The f Elements

    N Kaltsoyannis;P Scott

  • Covalency in AnCp4 (An = Th-Cm): a comparison of molecular orbital, natural population and atoms-in-molecules analyses.

    Matthew J. Tassell;Nikolas Kaltsoyannis

  • A generic one-pot route to acyclic two-coordinate silylenes from silicon(IV) precursors: synthesis and structural characterization of a silylsilylene.

    Andrey V Protchenko;Andrew D Schwarz;Matthew P Blake;Cameron Jones

  • Trivalent (C5Me5)(2)(THF)Ln (2)(mu-eta(2):eta(2)-N-2) complexes as reducing agents including the reductive homologation of CO to a ketene carboxylate, (mu-eta(4)-O2C-C=C=O)(2-)

    William J Evans;David S Lee;Joseph W Ziller;Nikolas Kaltsoyannis

  • Principles and Applications of Density Functional Theory in Inorganic Chemistry Ii

    N. Kaltsoyannis;J.E. McGrady

  • Does metallophilicity increase or decrease down group 11? Computational investigations of [Cl–M–PH3]2(M = Cu, Ag, Au, [111])

    Emma O'Grady;Nikolas Kaltsoyannis

  • Covalency in CeIV and UIV Halide and N-Heterocyclic Carbene Bonds

    Polly L. Arnold;Zoë R. Turner;Nikolas Kaltsoyannis;Panagiota Pelekanaki

  • Synthesis, molecular and electronic structure of U(V)(O)[N(SiMe3)2]3.

    Skye Fortier;Jessie L. Brown;Nikolas Kaltsoyannis;Guang Wu

  • Computational study of analogues of the uranyl ion containing the -N=U=N- unit: density functional theory calculations on UO2(2+), UON+, UN2, UO(NPH3)3+, U(NPH3)2(4+), [UCl4[NPR3]2] (R = H, Me), and [UOCl4[NP(C6H5)3]].

    Nikolas Kaltsoyannis

Frequent Co-Authors

Jennifer C. Green
Jennifer C. Green University of Oxford
Trevor W. Hayton
Trevor W. Hayton University of California, Santa Barbara
Philip Mountford
Philip Mountford University of Oxford
Polly L. Arnold
Polly L. Arnold University of Edinburgh
Stephen T. Liddle
Stephen T. Liddle University of Manchester
Guang Wu
Guang Wu University of California, Santa Barbara
Brian L. Scott
Brian L. Scott Los Alamos National Laboratory
Carolyn I. Pearce
Carolyn I. Pearce Pacific Northwest National Laboratory
Norman M. Edelstein
Norman M. Edelstein Lawrence Berkeley National Laboratory
Stosh A. Kozimor
Stosh A. Kozimor Los Alamos National Laboratory

External Links

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Best Scientists Citing Nikolas Kaltsoyannis

Laurent Maron

Laurent Maron

Federal University of Toulouse Midi-Pyrénées

Publications: 86

Stephen T. Liddle

Stephen T. Liddle

University of Manchester

Publications: 68

William J. Evans

William J. Evans

University of California, Irvine

Publications: 55

Brian L. Scott

Brian L. Scott

Los Alamos National Laboratory

Publications: 54

Polly L. Arnold

Polly L. Arnold

University of Edinburgh

Publications: 50

Joseph W. Ziller

Joseph W. Ziller

University of California, Irvine

Publications: 50

Trevor W. Hayton

Trevor W. Hayton

University of California, Santa Barbara

Publications: 42

Zhifang Chai

Zhifang Chai

Chinese Academy of Sciences

Publications: 40

John Arnold

John Arnold

University of California, Berkeley

Publications: 39

Stosh A. Kozimor

Stosh A. Kozimor

Los Alamos National Laboratory

Publications: 38

Marinella Mazzanti

Marinella Mazzanti

École Polytechnique Fédérale de Lausanne

Publications: 36

Karsten Meyer

Karsten Meyer

University of Erlangen-Nuremberg

Publications: 35

Cameron Jones

Cameron Jones

Monash University

Publications: 35

Eric J. Schelter

Eric J. Schelter

University of Pennsylvania

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Alexander J. Blake

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Publications: 33

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William Lewis

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