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Table 5

New bands observed during the VUV photolysis of H2O:H2CO=5:1 ice at 13 K.

ν (cm-1) Mode A Molecule Ref.
12C 13C (cm molec-1)

2342 2276 ν(CO) 7.1 × 10-17 CO2 a
2138 2089 ν(CO) 1.7 × 10-17 CO b
1860 1809 ν(C=O) 2.1 × 10-17 HCO c
1748 1693 ν(C=O) 2.6 × 10-17 GA d
1120 ν(CO) 8.1 × 10-18 GA d
1089 1063 ν(CO) 3.9 × 10-18 EG d
1040 1029 ν(CO) 3.9 × 10-18 EG d
1025 1003 ν(CO) 1.5 × 10-17 CH3OH e

Notes. ν: stretching; δ: bending; ρ: rocking; ω: wagging.

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