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In H abstraction training, there is at least on example where a reaction is specified in both the forward and reverse directions, but the kinetics are inconsistent with the thermo. This can cause a lot of trouble if using the the thermo to generate reverse rate constants when training the tree since the reverse kinetics of one direction will not match the forward kinetics of the other direction. This is happening for OH + N <=> HN + O, which results in a node with very high uncertainty.
entry(
index = 625,
label = "HO-4 + N <=> HN + O-2",
degeneracy = 1.0,
kinetics = Arrhenius(A=(6.4e+12,'cm^3/(mol*s)'), n=0.1, Ea=(88.9518,'kJ/mol'), T0=(1,'K'), Tmin=(300,'K'), Tmax=(2000,'K')),
rank = 2,
shortDesc = """Added by Beat Buesser""",
longDesc =
"""
Added by Beat Buesser, value for reaction: N + OH = NH + O (B&D #26b) in 'Gas-Phase Combustion Chemistry' (ISBN: 978-1-4612-7088-1), chapter 2, 'Combustion Chemistry of Nitrogen', Anthony M. Dean, Joseph W. Bozzelli",
Converted to training reaction from rate rule: OH_rad_H;N_atom_quartet
""",
)
entry(
index = 629,
label = "HN-4 + O <=> HO-2 + N-2",
degeneracy = 1.0,
kinetics = Arrhenius(A=(1.7e+08,'cm^3/(mol*s)'), n=1.5, Ea=(217.878,'kJ/mol'), T0=(1,'K'), Tmin=(300,'K'), Tmax=(2000,'K')),
rank = 2,
shortDesc = """Added by Beat Buesser""",
longDesc =
"""
Added by Beat Buesser, value for reaction: NH + O = N + OH (B&D #27e2) in 'Gas-Phase Combustion Chemistry' (ISBN: 978-1-4612-7088-1), chapter 2, 'Combustion Chemistry of Nitrogen', Anthony M. Dean, Joseph W. Bozzelli",
Converted to training reaction from rate rule: NH_triplet_H;O_atom_triplet
""",
)
note: the training indices are different then above because I am using a different branch
In H abstraction training, there is at least on example where a reaction is specified in both the forward and reverse directions, but the kinetics are inconsistent with the thermo. This can cause a lot of trouble if using the the thermo to generate reverse rate constants when training the tree since the reverse kinetics of one direction will not match the forward kinetics of the other direction. This is happening for
OH + N <=> HN + O
, which results in a node with very high uncertainty.note: the training indices are different then above because I am using a different branch
tree_cross_val.csv
tree_cross_val.pdf
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