Introduction the ionic-bond model

Hart and O. F. Beumel, Lithium and its compounds, Comprehen.tive Inorganic Chemistry. Vol. 1, Chap. 7, Pergamon Press, Oxford, 1973. T. P. Whaley, Sodium, potassium, rubidium, caesium and francium, ibid.. Chap. 8. 

Greenwood, Ionic Crystals. Lattice Defects and Nonstoichiometry, Butterworths, London, 1968, 194 pp. 

Inorganic Solids An Introduction to Concepts in Solid-State Structural Chemistry, Wiley, London, 1974, 336 pp. 

Lithium, Sodium, Potassium, Rubidium, Caesium and Francium 

The compounds which most nearly fit the clas-sicial conception of ionic bonding are the alkali metal halides. However, even here, one must ask to what extent it is reasonable to maintain that positively charged cations M+ with favourably 

Garrick, Phil. Mag. 14, 914-37 (1932). It is instructive to repeat some of these calculations with more recent values for the constants and properties used. 

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