Hydrogen atom Pentaammine(bromo)cobalt(III) ion

Halpern, J.; Rabani, J.
J. Am. Chem. Soc. 88, 699-704 (1966)

Reaction: H· + Co(NH₃)₅Br²⁺ ® Co(NH₃)₅Br⁺
Reference Reaction: H· + EtOH ®
Solvent: H₂O

k = 6.3 × 10⁹(L mol^-1 s^-1), k_reference = 1.7 × 10⁷(L mol^-1 s^-1), pH = 1

Experimental method: Gamma-radiolysis
Analytical method: chemical analysis
Data type: Relative value measured by steady state method

Competition kinetics Discrepancy with other reported data. No recommendation.

Anbar, M.; Meyerstein, D.
Nature (London) 206, 818-819 (1965)

Reaction: H· + Co(NH₃)₅Br²⁺ ® Co(NH₃)₅Br⁺
Reference Reaction: H· + (CH₃)₂CDOH ®
Solvent: H₂O

pH range 4 to 6
k = 1 × 10⁹(L mol^-1 s^-1), k_reference = 9.6 × 10⁶(L mol^-1 s^-1)

Experimental method: Gamma-radiolysis
Analytical method: chemical analysis
Data type: Relative value measured by steady state method

Competition kinetics Discrepancy with other reported data. No recommendation.