Open Access
Table D.2
Photoionisation rates normalised to the CR ionisation rate, 
, for H2 o:p=0:1 and H2 o:p=1:0 and for Rv = 3.1.
| RV = 3.1 |  |
 |
 |
|||||
|---|---|---|---|---|---|---|---|---|
| Species s | o:p=0:1 | o:p=1:0 | Species s | o:p=0:1 | o:p=1:0 | Species s | o:p=0:1 | o:p=1:0 |
| Al | 1.023(3) | 9.708(2) | Ca+ | 1.585 | 1.465 | NH2CHO | 3.739(2) | 3.681(2) |
| AlH | 6.841(1) | 6.918(1) | Cl | 5.409(1) | 5.322(1) | NH3 | 1.887(2) | 1.896(2) |
| C | 2.333(2) | 2.381(2) | Cr | 4.909(2) | 4.967(2) | NO | 1.793(2) | 1.791(2) |
| C2 | 2.193(2) | 2.055(2) | Fe | 2.064(2) | 2.093(2) | NO2 | 1.032(2) | 1.009(2) |
| C2H | 4.367(2) | 4.197(2) | H | 4.078 | 3.615 | Na | 6.693 | 6.704 |
| C2H− | 6.119(2) | 6.107(2) | H− | 9.240(2) | 9.247(2) | NaCl | – | – |
| C2H2 | 3.733(2) | 3.603(2) | H2 | 5.451(−2) | 5.717(−2) | NaH | – | – |
| C2H3 | 1.335(3) | 1.349(3) |  |
– | – | Ni | 4.789(1) | 4.887(1) |
| C2H4 | 2.668(2) | 2.617(2) | H2CO | 2.703(2) | 2.683(2) | O | 2.668 | 2.358 |
| C2H5 | 2.401(2) | 2.425(2) | H2CS | 1.066(3) | 1.065(3) | O2 | 3.338(1) | 2.656(1) |
| C2H5OH | 3.620(2) | 3.484(2) | H2O | 2.289(1) | 2.106(1) |  |
– | – |
| C2H6 | 1.827(2) | 1.687(2) | H2O2 | 1.804(2) | 1.730(2) | O3 | 3.324(1) | 3.048(1) |
| C3 | 9.367(1) | 9.051(1) | H2S | 5.771(2) | 5.735(2) | OCS | 5.284(2) | 5.053(2) |
| C3H3 | 1.022(3) | 1.035(3) |  |
– | – | OH | 1.662(1) | 1.569(1) |
| C3H7OH | 5.667(2) | 5.468(2) | HC3H | 1.290(3) | 1.306(3) | OH+ | – | – |
| C4H− | 5.022(2) | 5.013(2) | HC3N | 1.696(2) | 1.575(2) | P | 1.330(3) | 1.359(3) |
| C6H− | 3.042(2) | 3.036(2) | HCN | 1.401(1) | 1.136(1) | PH | – | – |
| CH | 1.621(2) | 1.624(2) | HCO | 5.843(2) | 5.904(2) | PH+ | – | – |
| CH+ | – | – | HCO+ | – | – | Rb | 1.095(1) | 1.102(1) |
| CH2 | – | – | HCOOH | 2.035(2) | 1.966(2) | S | 7.989(2) | 7.278(2) |
 |
– | – | HCl | 4.771(1) | 4.243(1) | S2 | 1.667(3) | 1.699(3) |
| CH3 | 2.433(2) | 2.458(2) | HCl+ | – | – | SH | 9.110(2) | 9.244(2) |
| CH3CHO | 6.120(2) | 6.256(2) | HF | 1.026(−2) | 9.336(−3) | SH+ | – | – |
| CH3CN | 9.682(1) | 8.834(1) | HNC | 1.518(2) | 1.370(2) | SO | 4.034(2) | 4.298(2) |
| CH3NH2 | 1.157(3) | 1.160(3) | HNCO | 7.642(1) | 7.172(1) | SO2 | 1.056(2) | 9.662(1) |
| CH3OCH3 | 8.670(2) | 8.654(2) | HO2 | 5.597(1) | 5.442(1) | Si | 2.030(3) | 2.000(3) |
| CH3OCHO | 2.178(2) | 2.114(2) | K | 1.608(1) | 1.606(1) | SiH | 3.141(3) | 3.146(3) |
| CH3OH | 2.314(2) | 2.256(2) | Li | 1.130(2) | 1.126(2) | SiH+ | – | – |
| CH3SH | 1.354(3) | 1.379(3) | LiH | – | – | SiO | – | – |
| CH4 | 2.330(1) | 2.039(1) | Mg | 4.863(1) | 4.797(1) | Ti | 1.299(2) | 1.312(2) |
 |
– | – | MgH | – | – | Zn | 4.198(2) | 3.045(2) |
| CN | 7.371 | 5.584 | Mn | 1.444(1) | 1.453(1) | c-C3H | 9.757(2) | 9.857(2) |
| CO | 1.438(1) | 1.029(1) | N | 9.865(−1) | 8.447(−1) | c-C3H2 | 1.227(3) | 1.243(3) |
| CO2 | – | – | N2 | 1.759(−1) | 1.312(−1) | l-C3H | 9.998(2) | 1.012(3) |
| CO2 | 1.144(1) | 9.550 | N2O | 1.079(2) | 1.061(2) | l-C3H2 | – | – |
| CS | 6.684(1) | 6.861(1) | NH | 7.819 | 6.735 | l-C4 | – | – |
| CS2 | 2.770(2) | 2.782(2) | NH+ | – | – | l-C4H | – | – |
| Ca | 1.116(2) | 1.110(2) | NH2 | 6.265(1) | 6.122(1) | l-C5H | – | – |
Notes. The photoionisation rate is given by 
. Parameterisations for 
are given in Table B.1. Numbers in brackets indicate the power of ten, namely m(n) = m × 10n.
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