Ab initio SCF study of maximum hardness and maximum molecular valency principles

Absolute hardness: companion parameter to absolute electronegativity

Robert G. Parr, Ralph G. Pearson · Journal of the American Chemical Society · 1983 · 7.6K citations

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Electronegativity: The density functional viewpoint

Robert G. Parr, Robert A. Donnelly, Mel Levy et al. · The Journal of Chemical Physics · 1978 · 3.3K citations

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Molecular Spectra and Molecular Structure

W. E. Garner, J E Lennard‐Jones · Nature · 1929 · 1.6K citations

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

Ralph G. Pearson · Journal of Chemical Education · 1987 · 1.4K citations

Principle of maximum hardness

Robert G. Parr, Pratim Kumar Chattaraj · Journal of the American Chemical Society · 1991 · 1.4K citations

Mathematical Programming, Engineering, Databases +22