1 Standard enthalpies of formation derived from experimental data.- 1.1 Data tables.- 1.2 Processing of experimental data.- 2 Prediction of standard enthalpies of formation.- 2.1 Component enthalpies.- 2.2 Determination of values for component enthalpies.- 2.3 Summary.- 2.4 Uncertainties on values for component enthalpies.- 2.5 Comparison of calculated and experimental values.- 3 Group interactions.- 3.1 Introduction.- 3.2 Derivation of values for group interactions.- 4 Interpretation of group interactions: prediction of unknown values for component enthalpies.- 4.1 Introduction.- 4.2 Alkanes.- 4.3 Alkenes and alkynes.- 4.4 Monofunctional compounds.- 4.5 Polyfunctional compounds.- 4.6 Summary.- 5 Future developments.- 5.1 Experimental data files.- 5.2 Parametric schemes.- 5.3 Software development.- Table 1.2 Experimental thermochemical data.- Table 1.3 Standard enthalpies of formation for inorganic compounds.- References.- Name index.- Chemical Abstracts Service Registry Number Index.