Table 2: Reactions from Horn et al. (2004), with adjusted ratesa.
Reaction k(300 K) T-dependence, $\alpha$ k(10 K)
  (cm3 s-1)   (cm3 s-1)
(4) CH3OH2+ + H2CO $\rightarrow$ CH3OH2OCH2+ + $h \nu$ $3.1 \times 10^{-15}$ -3 $8.4 \times 10^{-11}$
(5) H2COH+ + H2CO $\rightarrow$ H2COHOCH2+ + $h \nu$ $8.1 \times 10^{-15}$ -3 $2.2 \times 10^{-10}$
(6) CH3+ + HCOOH $\rightarrow$ HC(OH)OCH3+ + $h \nu$ $1.0 \times 10^{-11}$ -1.5 $1.6 \times 10^{-9}$

a k(T) = k(300 K $) \times (T/300)^{\alpha}$.


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