Ionize potential
my home upper InterStellar Chem grain density Abundance Table Dissociate energy Polarizability Proton affinity Charge trans rate Ionize potential rate coeff

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Ionization potentials of some atoms and molecules (from Tab. 3.4 of Duley & Williams, 1984inch.book.....D)

The unit of the potentials is eV.

H    13.6   H2    15.4    SiO    10.5   
He    24.6    OH    13.0   C2    12.0   
O    13.6    CH    10.6    CN    14.5   
C    11.3    NH    13.1   N2    15.6   
N    14.6    SH    10.5    CS    11.8   
Ne    21.6    SiH    7.9   H2O    12.6   
Si    8.2   O2    12.1   NH3    10.2   
Mg    7.7    CO    14.0   CH4    12.7   
S    10.4    NO    9.3   H2CO    10.9   
 

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