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Table 3
Infrared absorption wavenumber of products after irradiation of 40 MeV 58Ni11+ for the H2O:CO:CH3OH ices.
| Mo lecule | ν (cm−1) | Identification | Aυ |
|---|---|---|---|
| CO2 | 3702 | comb | |
| CO2 | 3600 | comb | |
| H2O2 | 2855 | O−H str | |
| HCOOH | 2730 | O−H, C−H str | |
| HCOOH | 2665 | O−H, C−H str | |
| CO2 | 2340 | C=O str | 7.6 |
| 13CO2 | 2277 | C=O str | 7.6 |
| HCO | 1854 | 2.1 | |
| H2CO | 1718 | CO | |
| HCOOCH3 | 1718 | C=O | |
| CH3CHO | 1718 | C=O str | |
| HCOOH | 1710 | C=O str | |
| CH3CHO | 1710 | CO str | |
| CH3COCH3 | 1710 | CO str | |
| ? | 1634 | C=O str | |
| ? | 1609 | C=O str | |
| ? | 1564 | C=O str | |
| H2CO | 1497 | CH2 scis | 0.4 |
| CH3CHO | 1420 | CH3 def | |
| CU3COOH | 1420 | OH bend | |
| CH3COΟH | 1370 | CH bend | |
| CH3COCH3 | 1370 | CH3 def | |
| C2H5OH | 1333 | OH def | |
| CH3CHO | 1333 | comb | |
| CH4 | 1304 | C−H str | |
| HCOOH | 1225 | C−O/C−O str | 1.5 |
| HCOOH | 1222 | C−O | |
| HCOOCH3 | 1222 | C−O | |
| CU3COCH3 | 1222 | CCC str | |
| C2H5OH | 1090 | CH3 rock | 0.66 |
| C2H5OH | 1040 | CO str | |
| CO2 | 658 | CΟ bend |
Notes. The A-values are based on the results of de Barros et al. (2022). See abbreviations in Table 2.
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