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. Author manuscript; available in PMC: 2010 Nov 10.
Published in final edited form as: J Chem Theory Comput. 2009 Nov 10;5(11):2996–3009. doi: 10.1021/ct9003965

Table 3.

Mean unsigned error (kcal/mole) of ΔHrxn and ΔH calculated with B3LYP and B3LYP-LOC

ΔHrxn ΔH
reaction type B3LYP B3LYP-LOC B3LYP B3LYP-LOC
cycloaddition 14.6 0.8 7.1 0.9
electrocyclic 3.6 0.7 0.6 1.7
dipolar cycloaddition 8.9 1.3 3.8 1.0
SN2 1.5 2.0 1.5 1.4
carbon radical 4.3 0.9 1.9 0.8
hydrogen radical 2.3 1.0 4.3 1.3
cycloreversion(x) n/a n/a 4.6 2.0
sigmatropic shift(xi) n/a n/a 0.8 1.2

all reaction types 6.1 1.1 3.3 1.1