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Roberta O. Day

D-Index & Metrics

Chemistry

D-Index
52
Citations
7603
World Ranking
13712
National Ranking
3555

Roberta O. Day 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 Roberta O. Day 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: 282 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Roberta O. Day 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 Roberta O. Day 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: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Roberta O. Day is affiliated with the University of Massachusetts Amherst in the United States. Their research primarily focuses on the fields of Materials Science and Chemistry, with particular emphasis on subfields such as Materials Chemistry, Physical and Theoretical Chemistry, and Radiation.

Their main topics of work include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Crystallography and Molecular Interactions
  • Nuclear Physics and Applications

Roberta O. Day has published research in notable venues, with a concentration in:

  • The Cambridge Structural Database

The following recent papers have been published by Day, all in 2020 and within The Cambridge Structural Database:

  • CCDC 2018557: Experimental Crystal Structure Determination
  • CCDC 2018556: Experimental Crystal Structure Determination
  • CCDC 2018555: Experimental Crystal Structure Determination

Frequent co-authors collaborating with Day include:

  • Robert R. Holmes
  • Jeffrey S. Payne

Best Publications

  • RNA double-helical fragments at atomic resolution. II. The crystal structure of sodium guanylyl-3',5'-cytidine nonahydrate.

    John M. Rosenberg;Nadrian C. Seeman;Roberta O. Day;Alexander Rich

  • (.eta.5-Indenyl)trichlorotitanium. An improved syndiotactic polymerization catalyst for styrene

    Thomas E. Ready;Roberta O. Day;James C. W. Chien;Marvin D. Rausch

  • OXO CARBOXYLATE TIN LADDER CLUSTERS. A NEW STRUCTURAL CLASS OF ORGANOTIN COMPOUNDS

    Robert R. Holmes;Charles G. Schmid;V. Chandrasekhar;Roberta O. Day

  • STRUCTURAL INVESTIGATIONS OF NICKEL-COMPLEXES WITH NITROGEN AND SULFUR DONOR LIGANDS

    Gerard J. Colpas;Manoj Kumar;Roberta O. Day;Michael J. Maroney

  • A Crystalline Fragment of the Double Helix: The Structure of the Dinucleoside Phosphate Guanylyl-3',5'-Cytidine

    Roberta Ogilvie Day;Nadrian C. Seeman;John M. Rosenberg;Alexander Rich

  • A NEW STRUCTURAL FORM OF TIN OCTAHEDRALLY COORDINATED IN A DRUM-SHAPED MOLECULE

    V. Chandrasekhar;Roberta O. Day;Robert R. Holmes

  • Ethylidene(1-.eta.5-tetramethylcyclopentadienyl)(1-.eta.5-indenyl)dichlorozirconium: synthesis, molecular structure, and polymerization catalysis

    Geraldo Hidalgo Llinas;Roberta O. Day;Marvin D. Rausch;James C. W. Chien

  • Ligand oxidation in a nickel thiolate complex: a model for the deactivation of hydrogenase by oxygen

    Manoj Kumar;Gerard J. Colpas;Roberta O. Day;Michael J. Maroney

  • Nucleic acid–mutagen interactions: crystal structure of adenylyl-3′,5′-uridine plus 9-aminoacridine

    Nadrian C. Seeman;Roberta O. Day;Alexander Rich

  • Pentacoordinated molecules. 54. Pentacoordinated structures of triphenyltin esters of anthranilic acid, o-(dimethylamino)benzoic acid, and p-aminobenzoic acid formed by intramolecular carboxylate group coordination

    Robert G. Swisher;Jean F. Vollano;V. Chandrasekhar;Roberta O. Day

  • Mononuclear and tetranuclear diorganotin(IV) carboxylates from the reaction of dimethyltin oxide with anthranilic acid and its p-amino isomer

    V. Chandrasekhar;Roberta O. Day;Joan M. Holmes;Robert R. Holmes

  • Oxidation of nickel thiolate ligands by dioxygen

    Shaukat A. Mirza;Michelle A. Pressler;Manoj Kumar;Roberta O. Day

  • Pentacoordinated molecules. 79. Pentacoordinate acyclic and cyclic anionic oxysilicates. A silicon-29 NMR and x-ray structural study

    K. C. Kumara Swamy;V. Chandrasekhar;John J. Harland;Joan M. Holmes

  • Fluxional, catalytically active metal cluster, heptakis(tert-butylisocyanide)tetranickel

    V. W. Day;R. O. Day;J. S. Kristoff;F. J. Hirsekorn

  • NEW GEOMETRICAL FORM FOR TIN. SYNTHESIS AND STRUCTURE OF THE SPIROCYCLIC COMPLEX ((CH3)4N)((C7H6S2)2SNCL) AND THE RELATED MONOCYCLIC DERIVATIVE ((C2H5)4N)((C7H6S2)PH2SNCL)

    A. C. Sau;R. O. Day;R. R. Holmes

  • Pentacoordinated molecules. 95. Influence of phosphorus-sulfur bonding in the formation of octahedrally coordinated cyclic pentaoxyphosphoranes

    T. K. Prakasha;Roberta O. Day;Robert R. Holmes

  • A NEW STRUCTURAL FORM OF TIN IN AN OXYGEN-CAPPED CLUSTER

    Roberta O. Day;Joan M. Holmes;V. Chandrasekhar;Robert R. Holmes

  • Pentacoordinated molecules. 54. Hydrolysis pathway leading to the formation of novel oxo- and halo-bridged tin(IV) ladder compounds. The molecular structure of the dimeric distannoxanes [Ph2(Cl)SnOSnPh2(OH)]2.cntdot.2Me2CO and [Ph2(Cl)SnOSnPh2(Cl)]2

    Jean F. Vollano;Roberta O. Day;Robert R. Holmes

  • Organotin clusters. 4. Cubic, butterfly, and oxygen-capped clusters of n-butyloxotin phosphinates. A new class of organotin compounds

    Robert R. Holmes;K. C. Kumara. Swamy;Charles G. Schmid;Roberta O. Day

  • Pentacoordinated molecules. 67. Formation and structure of cyclic five-coordinated antimony derivatives. The first square-pyramidal geometry for a bicyclic stiborane

    Robert R. Holmes;Roberta O. Day;V. Chandrasekhar;Joan M. Holmes

Frequent Co-Authors

Robert R. Holmes
Robert R. Holmes University of Massachusetts Amherst
Vadapalli Chandrasekhar
Vadapalli Chandrasekhar Indian Institute of Technology Kanpur
Michael J. Maroney
Michael J. Maroney University of Massachusetts Amherst
William N. Setzer
William N. Setzer University of Alabama in Huntsville
Victor W. Day
Victor W. Day University of Kansas
Ivan Lukeš
Ivan Lukeš Charles University
Manoj Kumar
Manoj Kumar Guru Nanak Dev University
Marvin D. Rausch
Marvin D. Rausch University of Massachusetts Amherst
Beverly Park Woolf
Beverly Park Woolf University of Massachusetts Amherst
Wolfgang Tremel
Wolfgang Tremel Johannes Gutenberg University of Mainz

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Best Scientists Citing Roberta O. Day

Vadapalli Chandrasekhar

Vadapalli Chandrasekhar

Indian Institute of Technology Kanpur

Publications: 63

Robert R. Holmes

Robert R. Holmes

University of Massachusetts Amherst

Publications: 61

Georgy K. Fukin

Georgy K. Fukin

Russian Academy of Sciences

Publications: 24

Edward R. T. Tiekink

Edward R. T. Tiekink

Sunway University

Publications: 24

Marcetta Y. Darensbourg

Marcetta Y. Darensbourg

Texas A&M University

Publications: 22

Michael J. Maroney

Michael J. Maroney

University of Massachusetts Amherst

Publications: 21

Seik Weng Ng

Seik Weng Ng

University of Malaya

Publications: 20

Klaus Jurkschat

Klaus Jurkschat

TU Dortmund University

Publications: 20

J. Derek Woollins

J. Derek Woollins

University of St Andrews

Publications: 18

Ionel Haiduc

Ionel Haiduc

The University of Texas at El Paso

Publications: 17

Marvin D. Rausch

Marvin D. Rausch

University of Massachusetts Amherst

Publications: 15

James C. W. Chien

James C. W. Chien

University of Massachusetts Amherst

Publications: 15

Alexandra M. Z. Slawin

Alexandra M. Z. Slawin

University of St Andrews

Publications: 15

Rudolph Willem

Rudolph Willem

Vrije Universiteit Brussel

Publications: 14

Joseph H. Reibenspies

Joseph H. Reibenspies

Texas A&M University

Publications: 13

Monique Biesemans

Monique Biesemans

Vrije Universiteit Brussel

Publications: 13

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