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. 2025 Feb 25;90(9):3257–3268. doi: 10.1021/acs.joc.4c02837

Table 3. Calculated Kinetic Characteristics of the Reactions of IsoH with HO and HOO Radicals in the Gas Phasea.

  Mechanisms IFb (cm–1) ΔGc (kcal/mol) Kd Γe (%) koverall
HOO f-HAT 2OH –2246.62 16.5 1.00 × 10–17 98 1.20 × 10–17
11OH –2325.5 20.0 1.10 × 10–19 1
12OH –2351.4 19.9 1.20 × 10–19 1
HO f-HAT 2OH –2603.1 7.8 1.40 × 10–14 0 1.05 × 10–10
11OH –2456.73 9.0 4.30 × 10–14 0
12OH –2713.07 7.8 4.60 × 10–14 0
RAF C2 –369.3 5.9 1.30 × 10–11 12
C3 –365.6 5.7 1.70 × 10–11 16
C5 –424.7 6.5 4.10 × 10–12 4
C6 –506.6 10.4 6.50 × 10–15 0
C7 –306.6 5.7 1.60 × 10–11 15
C8 –351.6 7.5 7.60 × 10–13 1
C9 –445.8 11.6 7.40 × 10–16 0
C10 –281.6 5.4 2.90 × 10–11 28
C11 –249.7 5.5 2.50 × 10–11 24
C12 –370.0 8.2 2.60 × 10–13 0
C13 –494.6 11.6 7.40 × 10–16 0
C14 –438.5 9.3 3.70 × 10–14 0
a

The k values are in cm3 molecule–1 s–1.

b

Imaginary frequency.

c

Activation free energy.

d

Rate constant.

e

Branching ratio.