Electronegativity is the average one-electron energy of the valence-shell electrons in ground-state free atoms

Allen, Leland C.

doi:10.1021/ja00207a003

Cited by 755 publications

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“…The particular set of electronegativity values used here is only one of many that have been proposed. Several electronegativity scales [26][27][28][29] give correlations similar to that shown, with the slope ranging from 1.4 to 1.6, whereas others [30][31][32][33] give rather poor correlations.…”

Section: Systematics Of the Ionization Energiessupporting

confidence: 57%

Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation

et al. 2004

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Carbon 1s ionization energies have been measured for 12 halomethanes. These together with earlier measurements provide 27 compounds for investigating the relationship between core-ionization energies and the electronegativity and hardness of the halogens. The ionization energies correlate nearly linearly with the sum of the electronegativities of the halogens attached to the central carbon. Both electronegativity and hardness play important roles in determining the ionization energy, and it is found that the linear relationship between ionization energy and electronegativity arises from an interplay of the electronegativity and hardness of the halogens and the length and ionicity of the carbon-halogen bond.

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Section: Systematics Of the Ionization Energiessupporting

confidence: 57%

Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation

et al. 2004

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“…We tested four scales of electronegativity: Allred & Rochow (1958), Pauling (1960), Zhang (1982) and Allen (1989), and elected to use the scale of Pauling (1960) as it gave marginally better results.…”

Section: Electronegativity Of the Next-nearest-neighbour Cationsmentioning

confidence: 99%

Mean bond-length variations in crystals for ions bonded to oxygen

Gagné

Hawthorne

2017

Acta Crystallogr B Struct Sci Cryst Eng Mater

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Variations in mean bond length are examined in oxide and oxysalt crystals for 55 cation configurations bonded to O 2À . Stepwise multiple regression analysis shows that mean bond length is correlated to bond-length distortion in 42 ion configurations at the 95% confidence level, with a mean coefficient of determination (hR 2 i) of 0.35. Previously published correlations between mean bond length and mean coordination number of the bonded anions are found not to be of general applicability to inorganic oxide and oxysalt structures. For two of 11 ions tested for the 95% confidence level, mean bond lengths predicted using a fixed radius for O 2À are significantly more accurate as those predicted using an O 2À radius dependent on coordination number, and are statistically identical otherwise. As a result, the currently accepted ionic radii for O 2À in different coordinations are not justified by experimental data. Previously reported correlation between mean bond length and the mean electronegativity of the cations bonded to the oxygen atoms of the coordination polyhedron is shown to be statistically insignificant; similar results are obtained with regard to ionization energy. It is shown that a priori bond lengths calculated for many ion configurations in a single structure-type leads to a high correlation between a priori and observed mean bond lengths, but a priori bond lengths calculated for a single ion configuration in many different structure-types leads to negligible correlation between a priori and observed mean bond lengths. This indicates that structure type has a major effect on mean bond length, the magnitude of which goes beyond that of the other variables analyzed here.

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“…The chemical hardness, electronegativity and polarizability are periodic properties of elements [1,21,34] and such periodicity is correlated in terms of shell structure of atoms. The chemical hardness of atoms is inversely related to their sizes [1,21,23,34].…”

Section: Global Hardness (η)mentioning

confidence: 99%

Theoretical Calculation of Absolute Radii of Atoms and Ions. Part 2. The Ionic Radii

Ghosh

Biswas

2003

IJMS

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Electronegativity is the average one-electron energy of the valence-shell electrons in ground-state free atoms

Cited by 755 publications

References 0 publications

Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation

Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation

Mean bond-length variations in crystals for ions bonded to oxygen

Theoretical Calculation of Absolute Radii of Atoms and Ions. Part 2. The Ionic Radii

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