Table 1 Summary of formation times obtained for trihydrogen cation production from methanol isotopomers, acetone, and ethylene glycol.

From: Mechanisms and time-resolved dynamics for trihydrogen cation (H3 +) formation from organic molecules in strong laser fields

Molecule

Trihydrogen cation

Formation time (fs)

Primary formation pathway (1,2)

Isotope effect? (Yes/No)

CH3OD

H3 +

97 ± 14

1

No

CH3OH

H3 +

98 ± 4

1

No

Acetone

H3 +

131 ± 10

1

No

CD3OD

D3 +

132 ± 5

1

Yes

Ethylene glycol

H3 +

142 ± 5

2

No

CH3OD

H2D+

244 ± 25

2

Yes

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