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Table 3.
Estimated IR band strengths of EA ice at 10 K using three different methods.
| Mode | Integrated region | Method 1 | Method 2 | Method 3 | |
|---|---|---|---|---|---|
| NH3 | CH3OH | CH3OH | EA | ||
| cm−1 | ×10−18 cm molecules−1 | ||||
| ν1+ν2+ν3+ν4+ν5 | 3650–2450 | 463 ± 65 | 528 ± 137 | 202 ± 61 | 386 ± 145 |
| δ6 | 1690–1550 | 10.2 ± 0.3 | 12 ± 3 | 5 ± 2 | 7.8 ± 2.9 |
| δ7+ν8+δ9+τ10 | 1550–1285 | 17.3 ± 0.4 | 20 ± 4 | 9 ± 3 | 16 ± 6 |
Notes. We note that there are large uncertainties in the determination of band strengths by Method 2. The possible reasons are discussed in the text.
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