Table 1.

Kinetic and thermodynamic parameters; pH 7.0 and 298 K

Parameter	H2O	D2O
k298/s−1	44  ± 7	66  ± 10
ΔH≠/kJ mol−1	47.5  ± 2.2	51.5  ± 3.7
ΔS≠/J K−1 mol−1	−56.5  ± 3.5	−35.7  ± 2.5
E/mV	306  ± 1	316  ± 1
ΔH0/kJ mol−1	−46.7  ± 1.2	−55.8  ± 2.5
ΔS0/J K−1 mol−1	−56.9  ± 1.4	−84.4  ± 3.7

 ΔH⁰ and ΔS⁰ are the formal enthalpy and entropy of the Cu^2+/+ reduction potential, E, determined as in Eq. 3. E is the value at 25°C.