Table 1 Thermodynamic parameters describing the equilibrium of D-ribose isomerisation in solution at fixed temperature and pressure as estimated by fitting the equilibrium theory (2) to 13C NMR data.
From: Equilibrium and non-equilibrium furanose selection in the ribose isomerisation network
Pure water | Hadean water | |||||
|---|---|---|---|---|---|---|
Species | Ei [kJ/mol] | ηi | \({x}_{i}^{\infty }\) | Ei [kJ/mol] | ηi | \({x}_{i}^{\infty }\) |
1, β-pyranose | 0 | 0.75 | 0.01 | 0 | 0.39 | 0.01 |
2, α-pyranose | 6.2 | 3.14 | 0.05 | 4.2 | 0.96 | 0.02 |
3, β-furanose | 13.0 | 29.27 | 0.47 | 14.7 | 29.88 | 0.71 |
4, α-furanose | 14.2 | 29.41 | 0.47 | 13.1 | 10.88 | 0.26 |