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Table 2
New bands observed during the VUV photolysis of solid H2CO at 13 K.
| ν (cm-1) | Mode | A | Molecule | Ref | |
| 12C | 13C | (cm molec-1) | |||
|
|
|||||
| 2343 | 2275 | ν(CO) | 7.6 × 10-17 | CO2 | a |
| 2136 | 2087 | ν(CO) | 1.1 × 10-17 | CO | b |
| 1846 | 1804 | ν(C = O) | 2.1 × 10-17 | HCO | c |
| 1751 | 1721 | ν(C = O) | 2.6 × 10-17 | GA | d |
| 1217 | 1205 | ?? | POM | e | |
| 1109 | 1095 | ν(C−O) | 9.7 × 10-18 | POM | e |
| 1075 | 1058 | ν(C−O) | 3.9 × 10-18 | EG | d |
| 1046 | xx | ν(C−O) | 3.9 × 10-18 | EG | d |
| 1027 | 1006 | ν(C−O) | 1.8 × 10-17 | CH3OH | f |
| 991 | 970 | ν(C−O) | – | POM | e |
| 945 | 919 | ν(C−O) | 3.0 × 10-17g | POM | e |
| 912 | 887 | ν(C−O) | 3.0 × 10-17g | POM | e |
Notes. ν: stretching; δ: bending; ρ: rocking; ω: wagging.
(g)
since the lengths of the polymer chains are unknown, the strengths of the indicated bands are given per carbon atom (Schutte et al. 1993).
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