Table 2. Liquid-Phase Gibbs Free Energy, Entropy, and Heat of Reaction in α- and β-Pinene Epoxide Isomerization.

reaction	ΔHrxn,L,298.15°(kJ mol–1)	ΔSrxn,L,298.15° (J mol–1 K–1)	ΔGrxn,L,298.15rxn° (kJ mol–1)	ΔHrxn,L,343.15° (kJ mol–1)	ΔSrxn,L,343° (J mol–1 K–1)	ΔGrxn,L,343.15°(kJ mol–1)
α-pinene → α-pinene epoxide	–116.0	–22.0	–109.5	–115.3	–19.7	–108.5
β-pinene → β-pinene epoxide	–130.4	–4.3	–129.1	–129.8	–2.5	–129.0
α-pinene epoxide → trans-carveol	–79.0	–0.4	–78.8	–81.6	–8.7	–78.6
α-pinene epoxide → isopinocamphone	–90.6	45.8	–104.3	–89.2	50.4	–106.5
α-pinene epoxide → pinocarveol	–83.7	–2.0	–83.1	–86.2	–9.7	–82.8
α-pinene epoxide → campholenic aldehyde	–86.5	43.7	–99.6	–84.6	49.6	–101.7
α-pinene epoxide → fencholenic aldehyde	–86.5	55.7	–103.1	–84.6	61.6	–105.8
β-pinene epoxide → perillyl alcohol	–64.3	14.0	–68.5	–61.5	22.6	–69.3
β-pinene epoxide → myrtanal	–81.1	–7.4	–78.9	–80.6	–5.8	–78.6
β-pinene epoxide → myrtenol	–65.8	–27.6	–57.5	–63.7	–21.2	–56.4