Hydrogen atom Iron(II) ion

Dainton, F.S.; Holt, B.J.; Philipson, N.A.; Pilling, M.J.
J. Chem. Soc., Faraday Trans. 1 72, 257-267 (1976)

Reaction: H· + Fe²⁺ ® FeH²⁺
Reference Reaction: H· + 2-PrOH ®
Solvent: H₂O

Activation energy = 10(kJ mol^-1), Log(A) = 10.2, Temperature range 190 to 280 K
k ~ 5 × 10⁷(L mol^-1 s^-1), k_reference = 7.4 × 10⁷(L mol^-1 s^-1), pH = <0

Experimental method: Photolysis
Analytical method: mass spectroscopy
Data type: Relative value measured by steady state method

Obs. H₂ formn.; c.k. in soln. contg. 6 mol L^-1 H₂SO₄ and 2-PrOH-d₇.

Jayson, G.G.; Keene, J.P.; Stirling, D.A.; Swallow, A.J.
Trans. Faraday Soc. 65, 2453-2464 (1969)

Reaction: H· + Fe²⁺ ® FeH²⁺
Solvent: H₂O

k = 7.5 × 10⁶(L mol^-1 s^-1), pH = 0

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly

Product buildup kinetics at 270 nm (FeH²⁺).