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Ralph G. Pearson

Active 1952–2006

36
Papers
43,461
Citations
35
h-index
36
i10-index

Citations

Citations per year for Ralph G. Pearson1967: 5 citations1968: 8 citations1969: 8 citations1970: 16 citations1971: 11 citations1972: 10 citations1973: 6 citations1974: 6 citations1975: 16 citations1976: 9 citations1977: 17 citations1978: 16 citations1979: 8 citations1980: 16 citations1981: 17 citations1982: 19 citations1983: 12 citations1984: 8 citations1985: 15 citations1986: 8 citations1987: 12 citations1988: 18 citations1989: 19 citations1990: 20 citations1991: 24 citations1992: 17 citations1993: 24 citations1994: 31 citations1995: 32 citations1996: 51 citations1997: 44 citations1998: 48 citations1999: 53 citations2000: 79 citations2001: 39 citations2002: 72 citations2003: 81 citations2004: 72 citations2005: 82 citations2006: 96 citations2007: 98 citations2008: 84 citations2009: 102 citations2010: 106 citations2011: 140 citations2012: 98 citations2013: 120 citations2014: 120 citations2015: 80 citations2016: 123 citations2017: 115 citations2018: 108 citations2019: 256 citations2020: 323 citations2021: 310 citations2022: 272 citations2023: 204 citations2024: 318 citations2025: 119 citations2026: 16 citations

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 797 citing papers, 17% of this breakdownIndia: 405 citing papers, 8.7% of this breakdownChina: 320 citing papers, 6.8% of this breakdownGermany: 227 citing papers, 4.9% of this breakdownFrance: 194 citing papers, 4.1% of this breakdownSaudi Arabia: 193 citing papers, 4.1% of this breakdownCanada: 145 citing papers, 3.1% of this breakdownTürkiye: 144 citing papers, 3.1% of this breakdownUnited Kingdom: 142 citing papers, 3% of this breakdownEgypt: 134 citing papers, 2.9% of this breakdownJapan: 116 citing papers, 2.5% of this breakdownSpain: 112 citing papers, 2.4% of this breakdown
0%17%Other 37.4%

Institutions

Fields

  • Chemistry27.5%
  • Materials Science15.4%
  • Medicine14.3%
  • Biochemistry, Genetics and Molecular Biology12.4%
  • Computer Science7%
  • Environmental Science4.9%
  • Other18.5%

Topics

  • Computational Drug Discovery Methods5.5%
  • Metal complexes synthesis and properties4.6%
  • Free Radicals and Antioxidants3.2%
  • Synthesis and biological activity2.9%
  • Advanced Chemical Physics Studies1.8%
  • Nonlinear Optical Materials Research1.6%
  • Other80.4%

Coauthors

All papers

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  1. Absolute hardness: companion parameter to absolute electronegativity

    Authors: Robert G. Parr, Ralph G. Pearson - Journal of the American Chemical Society 1983 cited by 7,761

  2. Hard and Soft Acids and Bases

    Authors: Ralph G. Pearson - Journal of the American Chemical Society 1963 cited by 10,165

  3. Absolute electronegativity and hardness correlated with molecular orbital theory

    Authors: Ralph G. Pearson - National Academy of Sciences, Proceedings of the National Academy of Sciences 1986 cited by 1,741

  4. Chemical hardness and density functional theory

    Authors: Ralph G. Pearson - Journal of Chemical Sciences 2005 cited by 915

  5. Hard and soft acids and bases, HSAB, part 1: Fundamental principles

    Authors: Ralph G. Pearson - Journal of Chemical Education 1968 cited by 2,454

  6. Absolute electronegativity and hardness: application to inorganic chemistry

    Authors: Ralph G. Pearson - Inorganic Chemistry 1988 cited by 3,421

  7. Recent advances in the concept of hard and soft acids and bases

    Authors: Ralph G. Pearson - Journal of Chemical Education 1987 cited by 1,397

  8. Absolute electronegativity and hardness: applications to organic chemistry

    Authors: Ralph G. Pearson - The Journal of Organic Chemistry 1989 cited by 872

  9. The principle of maximum hardness

    Authors: Ralph G. Pearson - Accounts of Chemical Research 1993 cited by 857

  10. Hard and soft acids and bases, HSAB, part II: Underlying theories

    Authors: Ralph G. Pearson - Journal of Chemical Education 1968 cited by 1,039

  11. Acids and Bases

    Authors: Ralph G. Pearson - Science 1966 cited by 995

  12. Chemical Hardness

    Authors: Ralph G. Pearson - 1997 cited by 981

  13. Elucidating the hard/soft acid/base principle: A perspective based on half-reactions

    Authors: Paul W. Ayers, Robert G. Parr, Ralph G. Pearson - The Journal of Chemical Physics 2006 cited by 371

  14. Hard and soft acids and bases—the evolution of a chemical concept

    Authors: Ralph G. Pearson - Coordination Chemistry Reviews 1990 cited by 873

  15. Absolute electronegativity and absolute hardness of Lewis acids and bases

    Authors: Ralph G. Pearson - Journal of the American Chemical Society 1985 cited by 674

  16. Application of the Principle of Hard and Soft Acids and Bases to Organic Chemistry

    Authors: Ralph G. Pearson, Jon Songstad - Journal of the American Chemical Society 1967 cited by 907

  17. The Factors Determining Nucleophilic Reactivities

    Authors: John O. Edwards, Ralph G. Pearson - Journal of the American Chemical Society 1962 cited by 703

  18. The HSAB Principle — more quantitative aspects

    Authors: Ralph G. Pearson - Inorganica Chimica Acta 1995 cited by 358

  19. Maximum Chemical and Physical Hardness

    Authors: Ralph G. Pearson - Journal of Chemical Education 1999 cited by 249

  20. Ionization potentials and electron affinities in aqueous solution

    Authors: Ralph G. Pearson - Journal of the American Chemical Society 1986 cited by 436

  21. The transition-metal-hydrogen bond

    Authors: Ralph G. Pearson - Chemical Reviews 1985 cited by 230

  22. Chemical hardness and bond dissociation energies

    Authors: Ralph G. Pearson - Journal of the American Chemical Society 1988 cited by 213

  23. Kinetics and Mechanism

    Authors: John W. Moore, Ralph G. Pearson, Arthur A. Frost - 1961 cited by 2,350

  24. Nucleophilic reactivity constants toward methyl iodide and trans-dichlorodi(pyridine)platinum(II)

    Authors: Ralph G. Pearson, Harold R. Sobel, Jon Songstad - Journal of the American Chemical Society 1968 cited by 456