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. Author manuscript; available in PMC: 2011 Mar 31.
Published in final edited form as: J Am Chem Soc. 2010 Mar 31;132(12):4336–4343. doi: 10.1021/ja9103638

Table 3.

. Homolytic X-O bond dissociation enthalpies (BDEs).a

Reaction ΔH° (kcal mol−1)b
PhIO → PhI + O ~26c
γ-picoline-O → γ-picoline + O 62.6
pyO → py + O 63.3
NO2 → NO + O 73.2
C2H4O → C2H4 + O 84.7
Me2SO → Me2S + O 86.8
Me2NO• → Me2N• + O 86d
H2NO• → H2N• + O 91d
Ph3PO → Ph3P + O 139
(EtO)3PO → (EtO)3P + O 148
a

Data from 41 unless otherwise noted.

b

Derived from solution data or calculated gas phase heats of formation.

c

Estimated from data in reference 42.