H₂⁺ + H₂O → H₃O⁺ + H

Ion-neutral reaction

Alpha: 3.40 × 10^-9
Beta: -0.50
Gamma: 0.00
Temperature range: 10 - 41000 K

Accuracy: < 25%
Source: Measured

Reference: Kim, J.K. and Huntress, W.T., J. Chem. Phys., 62, 2820 (1975).
DOI: 10.1063/1.430817