Table 2 Table of included chemical reactions for \(\text {CO}_2\).

From: A computational study on the effects of fast-rising voltage on ionization fronts initiated in sub-mm air and CO\(_{2}\) gaps

Reaction number

Description

Reaction

Rate

Unit

References

\(R_1\)

Impact ionization

\(\text {e} + \text {CO}_2 \rightarrow \text {CO}_2^{+}+\text {e}+\text {e}\)

BOLSIG+

m\(^{3}\)s\(^{-1}\)

23

\(R_2\)

Dissociation

\(\text {e}+\text {CO}_2 \rightarrow \text {CO} +\text {O}+ \text {e}\)

\(5\times 10^{-17}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_3\)

Attachment

\(\text {e}+\text {CO}_2 \rightarrow \text {CO}+\text {O}^-\)

BOLSIG+

m\(^{3}\)s\(^{-1}\)

23

\(R_4\)

Dissociation

\(\text {e}+\text {O}_3 \rightarrow \text {O} + \text {O}_2 + \text {e}\)

\(2\times 10^{-15}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_5\)

Dissociation

\(\text {e}+\text {O}_2 \rightarrow \text {O}+\text {O}+\text {e}\)

\(2\times 10^{-15}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_6\)

Dissociation

\(\text {e}+\text {O}_2 \rightarrow \text {O}+\text {O}^-\)

\(4\times 10^{-17}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_7\)

Attachment

\(\text {e}+\text {O}_2+\text {M} \rightarrow \text {O}_2^- +\text {M}\)

\(3\times 10^{-42}\)

m\(^{6}\)s\(^{-1}\)

14

\(R_8\)

Ion-neutral reaction

\(\text {O}^-+\text {CO} \rightarrow \text {CO}_2+\text {e}\)

\(5.5\times 10^{-16}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_9\)

Ion-neutral reaction

\(\text {O}^-+\text {O}_2 \rightarrow \text {O}_3 +\text {e}\)

\(1\times 10^{-18}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_{10}\)

Ion-neutral reaction

\(\text {O}^- + \text {O}_3 \rightarrow \text {O}_2 + \text {O}_2 + \text {e}\)

\(3\times 10^{-16}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_{11}\)

Electron-ion recombination

\(\text {e}+\text {CO}_2^+ \rightarrow \text {CO} + \text {O}\)

\(6.5\times 10^{-13}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_{12}\)

Ion-ion recombination

\(\text {O}_2^- + \text {CO}_2^+ \rightarrow \text {CO} + \text {O}_2 + \text {O}\)

\(6\times 10^{-13}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_{13}\)

Neutral reaction

\(\text {O}+\text {O}+\text {M} \rightarrow \text {O}_2 +\text {M}\)

\(1.04\times 10^{-45}\)

m\(^{6}\)s\(^{-1}\)

14

\(R_{14}\)

Neutral reaction

\(\text {O}+\text {O}_2+\text {M} \rightarrow \text {O}_3+\text {M}\)

\(4.42\times 10^{-46}\)

m\(^{6}\)s\(^{-1}\)

14

\(R_{15}\)

Neutral reaction

\(\text {O}+\text {O}_3 \rightarrow \text {O}_2 + \text {O}_2\)

\(7.56\times 10^{-18}\)

m\(^{3}\)s\(^{-1}\)

14

\(R_{16}\)

Neutral reaction

\(\text {O}+\text {CO}+\text {M} \rightarrow \text {CO}_2 + \text {M}\)

\(1.11\times 10^{-47}\)

m\(^{6}\)s\(^{-1}\)

14

\(R_{17}\)

Neutral reaction

\(\text {O}_3+\text {M} \rightarrow \text {O}_2 + \text {O} + \text {M}\)

\(1.16\times 10^{-32}\)

m\(^{6}\)s\(^{-1}\)

14

  1. BOLSIG+ represents tabulated data computed using bolsig23. \(f({\bar{\varepsilon }})\) indicates that the reaction rate is an empirical function of the local mean energy.