H₂⁺ + H₂ → H₃⁺ + H

Ion-neutral reaction

Alpha: 2.08 × 10^-9
Beta: 0.00
Gamma: 0.00
Temperature range: 10 - 41000 K

Accuracy: < 25%
Source: Measured

Reference: Theard, L.P. and Huntress, W.T., J. Chem. Phys., 60, 2840 (1974).
DOI: 10.1063/1.1681453