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Topic · Organic Chemistry

Chemical Thermodynamics and Molecular Structure

Chemical Thermodynamics and Molecular Structure is a research topic within Organic Chemistry. Science Explorer counts 46k research works in it since 1950. 10.5% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the thermochemical properties of organic and organometallic compounds, including enthalpies of vaporization and sublimation, calorimetry techniques, standard molar enthalpies, and heat capacities. It also covers topics such as atomic weights and standard absolute entropy values.

  • Enthalpies
  • Vaporization
  • Sublimation
  • Calorimetry
  • Thermodynamics
  • Organic Compounds
  • Atomic Weights
  • Standard Molar Enthalpies
  • Heat Capacities
  • Vapor Pressures
Research works
46k
fractional, since 1950
In the world top 10%
4.9k
per year above
Top-10% rate
10.5%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-7%
the tick is no change
Largest producer
Russia
26% of the 10 largest, 2022-now
Chemical Thermodynamics and Molecular Structure

Which countries lead Chemical Thermodynamics and Molecular Structure research?

By volume, Russia and China publish the most (530 and 490 works in 2022-now).

By volume, 2022-now

  1. 1 Russia 530 works
  2. 2 China 490 works
  3. 3 United States 307 works
  4. 4 India 237 works
  5. 5 Germany 142 works
  6. 6 France 90 works
  7. 7 Japan 86 works
  8. 8 Iran 67 works
  9. 9 Brazil 65 works
  10. 10 Poland 60 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

Russia: 25.5%China: 23.6%United States: 14.8%India: 11.4%6 others listed: 24.6%26%largest
Russia530 · 25.5%China490 · 23.6%United States307 · 14.8%India237 · 11.4%6 others listed510 · 24.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Chemical Thermodynamics and Molecular Structure research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Chemical Thermodynamics and Molecular Structure research, followed by Centre National de la Recherche Scientifique and Kazan Federal University.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 215 works
  2. 2 Centre National de la Recherche ScientifiqueFrance 37 works
  3. 3 Kazan Federal UniversityRussia 29 works
  4. 4 Chinese Academy of SciencesChina 28 works
  5. 5 Lomonosov Moscow State UniversityRussia 27 works
  6. 6 Nanjing University of Science and TechnologyChina 22 works
  7. 7 St Petersburg UniversityRussia 19 works
  8. 8 Beijing Institute of TechnologyChina 18 works
  9. 9 Xi'an Jiaotong UniversityChina 18 works
  10. 10 D.I. Mendeleyev Institute for MetrologyRussia 16 works

Who are the leading researchers in Chemical Thermodynamics and Molecular Structure?

The most-cited researchers publishing on Chemical Thermodynamics and Molecular Structure include John P. Perdew, Georg Kresse and Kieron Burke.

  1. 1 John P. Perdew United States 436k citations
  2. 2 Georg Kresse Austria 431k citations
  3. 3 Kieron Burke United States 276k citations
  4. 4 Matthias Ernzerhof Canada 276k citations
  5. 5 George M. Whitesides United States 267k citations
  6. 6 Wei Huang China 267k citations
  7. 7 Rodney S. Ruoff United States 231k citations
  8. 8 Donald G. Truhlar United States 230k citations
  9. 9 Stefan Grimme Germany 224k citations
  10. 10 Kai You Wang China 224k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Chemical Thermodynamics and Molecular Structure?

The most cited paper in Chemical Thermodynamics and Molecular Structure is "Self—Consistent Molecular Orbital Methods. XII. Further Extensions of Gaussian—Type Basis Sets for Use in Molecular Orbital Studies of Organic Molecules" (Warren J. Hehre, ROBERT DITCHFIELD, John Anthony Pople, 1972), with 16,002 citations. Next come "Electron affinities of the first-row atoms revisited. Systematic basis sets and wave functions" (15,720) and "Development and Testing of the OPLS All-Atom Force Field on Conformational Energetics and Properties of Organic Liquids" (15,659).

Most cited papers
#PaperReleasedCitations
1 Self—Consistent Molecular Orbital Methods. XII. Further Extensions of Gaussian—Type Basis Sets for Use in Molecular Orbital Studies of Organic Molecules Warren J. Hehre, ROBERT DITCHFIELD, John Anthony Pople · The Journal of Chemical Physics Mar 1972 16,002
2 Electron affinities of the first-row atoms revisited. Systematic basis sets and wave functions Rick A. Kendall, Thom H. Dunning, Robert J. Harrison · The Journal of Chemical Physics May 1992 15,720
3 Development and Testing of the OPLS All-Atom Force Field on Conformational Energetics and Properties of Organic Liquids William L. Jorgensen, David S. Maxwell, Julian Tirado‐Rives · Journal of the American Chemical Society 13 Nov 1996 15,659
4 Ab initio effective core potentials for molecular calculations. Potentials for the transition metal atoms Sc to Hg P. Jeffrey Hay, Willard R. Wadt · The Journal of Chemical Physics 1985 13,837
5 Density Functional Theory of Atoms and Molecules Robert G. Parr Book chapter 1980 12,034
All 100 most cited papers, with filters and sorting

Where is Chemical Thermodynamics and Molecular Structure research done?

The largest centres of Chemical Thermodynamics and Molecular Structure research in 2022-now are Moscow (Russia), Beijing (China), Saint Petersburg (Russia) and Novosibirsk (Russia). Among places with at least 20 works in it, it is an unusually large share of all research in Ivanovo, Kazan’ and Novosibirsk.

Largest cities, 2022-now

  1. 1 MoscowRussia 176 works
  2. 2 BeijingChina 81 works
  3. 3 Saint PetersburgRussia 63 works
  4. 4 NovosibirskRussia 51 works
  5. 5 Kazan’Russia 48 works
  6. 6 NanjingChina 37 works
  7. 7 IvanovoRussia 34 works
  8. 8 Xi'anChina 34 works
  9. 9 ParisFrance 33 works
  10. 10 TokyoJapan 27 works

Where it is the local speciality

  1. IvanovoRU · 33.5 works129×
  2. Kazan’RU · 47.8 works25×
  3. NovosibirskRU · 51.0 works16×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Chemical Thermodynamics and Molecular Structure than the world average.

See Chemical Thermodynamics and Molecular Structure on the map

Where is the best place to study Chemical Thermodynamics and Molecular Structure?

Among universities, judged by research, Nanjing University of Science and Technology, Tianjin University and Beijing Institute of Technology score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 11.13%fractional works in this field (log) →share of work in the world top 10% →Tianjin UniversityNanjing University o…Beijing Institute of…Kazan Federal Univer…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Nanjing University of Science and TechnologyChina 76.317.9%10.5×22 +92.4%
2Tianjin UniversityChina 72.020.7%4.9×15 +11.8%
3Beijing Institute of TechnologyChina 65.017.9%6.1×18 +59.0%
4Kazan Federal UniversityRussia 61.21.1%42.6×29 +49.5%
5Lomonosov Moscow State UniversityRussia 55.74.3%12.9×28 -22.6%
6Xi'an Jiaotong UniversityChina 55.012.9%4.0×18 -30.1%
7North University of ChinaChina 52.313.8%20.8×13 +5.6%
8University of Chemistry and Technology, PragueCzechia 49.811.2%44.2×10 +3.9%
9University of RostockGermany 49.45.2%18.5×9 -51.1%
10St Petersburg UniversityRussia 48.16.3%15.7×19 +8.3%

Universities only. The score blends citation excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Chemical Thermodynamics and Molecular Structure, country by country

Is Chemical Thermodynamics and Molecular Structure research growing?

Output in 2022-2025 was 7% lower than in 2018-2021, peaking in 2006.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Chemical Thermodynamics and Molecular Structure as a percentage of every work published that year, 0.014% in 2024.

still counting0.10%0.20%0.30%Chemical Thermodynamics and Molecular Structure0.012% in 202519801990200020102020

Fractional works of Chemical Thermodynamics and Molecular Structure over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting10%20%Chemical Thermodynamics and Molecular Structure10.3% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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