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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus

12 Issues per year


IMPACT FACTOR 2016: 1.432

CiteScore 2017: 1.30

SCImago Journal Rank (SJR) 2017: 0.403
Source Normalized Impact per Paper (SNIP) 2017: 0.632

Online
ISSN
1865-7109
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Volume 30, Issue 2

Issues

On Drago's E-C Equation, Pearson's HSAB Rule and the Ionic Approximation to Chemical Bonding

G. Van Hooydonk
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-1975-0215

Abstract

An attempt is made to explain the E-C formalism for ionic interactions in terms of the ionic approximation to chemical bonding. Dravo's E-C equation is seen to be a first approximation to the bond energy equation as it is given by the ionic bonding approach. The meaning of the ratio C/E is discussed and its relation with the hardness and softness of interacting species, as these occur in Pearson's HSAB rule, shows that the electron affinity or electronegativity of elements completely determines the chemical behaviour of ionic species. This analysis illustrates the consistency of the ionic approximation to chemical bonding.

About the article

Received: 1974-11-28

Published Online: 2014-06-02

Published in Print: 1975-02-01


Citation Information: Zeitschrift für Naturforschung A, Volume 30, Issue 2, Pages 223–226, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-1975-0215.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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[1]
G. Van Hooydonk
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2000, Volume 56, Number 12, Page 2273

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