Polarizability
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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Mean static polarizability alpha of some atoms/molecules (from Tab 3.1 of Duley & Williams, 1984inch.book.....D)

The unit of alpha is 10^-24 cm^3. The given values are averages of the paralell alpha|| and perpendicular alpha|- components: alpha = (alpha|| + 2*alpha|-) /3.

Species   alpha  Species   alpha  Species   alpha  Species   alpha 
H   0.667   H2   0.79   H2O   1.40   C2H2   3.33   
He   0.20   N2   1.76   CO2   2.65   NH3   2.26   
N   1.13   O2   1.58   SO2   4.27   CH4   2.60   
O   0.77   CO   1.95   OCS   5.2   C2H6   4.47   
Na   24.75   CN   2.59   HNC   2.46       
K   42.4       HCN   2.59       
 

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