Single-atom catalysis in space - II. Ketene–acetaldehyde–ethanol and methane synthesis via Fischer-Tropsch chain growth

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Table B.1

Relative energies reported in the literature for the HCOH and H₂CO formation.

Reference	Reaction	ΔU^‡a / ΔG^‡ _200ĸ^b
(Li et al. 2011)	HCO + H -> HCOH	49.8^a
(Li et al. 2011)	HCO + H -> H₂CO	23.4^a
(Foppa et al. 2018, 2019)	HCO + H-> HCOH	28.0^b
(Foppa et al. 2018, 2019)	HCO + H -> H₂CO	Negligible^b

Notes. ZPE-corrected energy (ΔU^‡a) and Gibbs energy at 200 K (ΔG^‡_200K^b) of the barriers reported in the literature for the competition between the formation of the intermediates HCOH and H₂CO. Units are in kcal mol^–1.

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