The Electric Moment as a Measure of the Ionic Nature of Covalent Bonds
- 1 March 1933
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 1 (3) , 197-199
- https://doi.org/10.1063/1.1749274
Abstract
The two‐electron bond with hydrogen is found to have the following values of μ×1018: H–As 0.10; H–P 0.36; H–I 0.38; H–S 0.63; H–Br 0.78; H–Cl 1.03; H–N 1.04; H–O 1.32. These values are believed to give the positions of the elements on an electronegativity scale which is shown to be similar to that prepared by Pauling. The reported moments for inorganic halides as well as the unpublished measurements of A. L. Ferguson and M. G. Malone, giving μ=3.1×10—18 for SbCl3 and μ=2.4×10—18 for SbBr3, give fair agreement in most cases with those calculated from the above scale. On the basis of calculated values appreciable moments are predicted for all trihalides of the fifth‐group elements except PI3 and NCl3 which should give close to a zero moment.Keywords
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