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Table A.4
Column densities of various forms of CH2CN and its related molecules around different regions of the ISM.
| Species | Isotopomers | AV1 | AV5 | AV10 |
| (nH = 341.46 cm-3) | (nH = 2745.07 cm-3) | (nH = 8984.52 cm-3) | ||
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| CH2CN | 2.11 × 1007 | 1.10 × 1013 | 2.33 × 1013 | |
| CH2CN | CHDCN | 8.76 × 1002 | 4.95 × 1011 | 1.21 × 1012 |
| CD2CN | 4.69 × 10-02 | 3.89 × 1009 | 1.44 × 1010 | |
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| CH2CN− | 3.52 × 1007 | 4.35 × 1013 | 4.91 × 1013 | |
| CH2CN− | CHDCN− | 1.46 × 1003 | 1.04 × 1012 | 9.43 × 1011 |
| CD2CN− | 7.85 × 10-02 | 6.03 × 1009 | 5.99 × 1009 | |
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| CH2CN+ | 2.76 × 1004 | 2.42 × 1011 | 4.67 × 1012 | |
| CH2CN+ | CHDCN+ | 1.99 × 1001 | 1.09 × 1011 | 2.34 × 1012 |
| CD2CN+ | 1.05 × 10-03 | 9.88 × 1008 | 2.56 × 1010 | |
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| CH3CN | 1.38 × 1005 | 2.59 × 1013 | 8.02 × 1013 | |
| CH3CN | CH2DCN | 9.42 × 1001 | 6.81 × 1011 | 1.64 × 1012 |
| CHD2CN | 5.05 × 10-03 | 5.12 × 1009 | 1.81 × 1010 | |
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| CH3CN+ | 4.67 × 1002 | 4.08 × 1006 | 9.99 × 1006 | |
| CH3CN+ | CH2DCN+ | 1.73 × 10-02 | 3.03 × 1005 | 2.49 × 1005 |
| CHD2CN+ | 9.58 × 10-07 | 2.43 × 1003 | 5.00 × 1003 | |
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| CH3CNH+ | 4.28 × 1003 | 3.31 × 1011 | 4.44 × 1012 | |
| CH3CNH+ | CHDCNH+ | 2.31 × 1000 | 2.27 × 1010 | 3.18 × 1011 |
| CD3CNH+ | 1.24 × 10-04 | 2.24 × 1008 | 4.10 × 1009 | |
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| HCN | HCN | 5.66 × 1010 | 6.09 × 1014 | 7.88 × 1014 |
| DCN | 2.23 × 1012 | 2.61 × 1015 | 2.20 × 1015 | |
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