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Table C.3

Physical quantities of new or related chemical species.

Species Edes (K) ΔHf (298 K) (kcal mol-1) Notes
H2O 4815 −57.80 Edes: Jin et al. (in prep.)
CH3OH 5534 −48.00 Edes: Garrod et al. (2008), Garrod (2013)
ĊH2CH2OH 4950 −5.70
CH3ĊHOH 4950 −12.91
C2H5OH 5400 −56.23 Edes: Jin et al. (in prep.)
ĊH2CH2CH2OH 5675 −12.28 ΔHf based on C3H8 − ĊH2CH2CH3
CH3ĊHCH2OH 5675 −14.18 ΔHf based on C3H8 − CH3ĊHCH3
CH3CH2ĊHOH 5675 −14.18 ΔHf based on C3H8 − CH3ĊHCH3
CH3CH2CH2Ȯ 5462 −9.00
n-C3H7OH 6125 −61.20
ĊH2CH(OH)CH3 5675 −16.27 ΔHf based on C3H8 − ĊH2CH2CH3
CH2Ċ(OH)CH3 5675 −18.17 ΔHf based on C3H8 − CH3ĊHCH3
CH3CH(Ȯ)CH3 5462 −9.00 ΔHf based on n-C3H7Ȯ
i-C3H7OH 6125 −65.19
ĊH2CH2CH3 5637 +23.90 Edes: Garrod et al. (2017)
CH3ĊHCH3 5637 +22.00 Edes: Garrod et al. (2017)
C3H8 6087 −25.02 Edes: Garrod et al. (2017)
CH3CN 6150 +17.70 Edes: Bertin et al. (2017); used by Garrod et al. (2022)
C2H5CN 6875 +12.71 Edes: Garrod et al. (2022)
n-C3H7CN 7600 +7.46 Edes: Garrod et al. (2022)
i-C3H7CN 7600 +5.44 Edes: Garrod et al. (2022)

Notes. Edes is the desorption energy and ΔHf the enthalpy of formation. Dots indicate which atom in a molecule hosts the radical site (i.e. an unpaired electron), where appropriate. As in previous models, binding energies are representative of physisorption on an amorphous water ice surface. Enthalpies of formation are obtained from the NIST WebBook database; where not available, estimates were adopted as described in the Notes column.

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