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(A) Thermodynamic cycle calculated to investigate energetically Sp to Rp (ad vice-versa) interconversion. (B) panels show progressive substitution while tables on the right report detailed free energy values (in kJ/mol). The standard errors associated to values in panel A are always ≤0.004 kJ/mol. Those at the right have associated standard errors which are typically around 1–5% of the estimated value.
