Pick peak frequency and intensity according to your IR spectrum
3600-4000 (cm-1)
Weak
Medium
Strong
3100-3500 (cm-1)
Weak
Medium
Strong
3000-3100 (cm-1)
Weak
Medium
Strong
2800-2999 (cm-1)
Weak
Medium
Strong
2700-2800 (cm-1)
Weak
Medium
Strong
2100-2300 (cm-1)
Weak
Medium
Strong
1770-1850 (cm-1)
Weak
Medium
Strong
1600-1770 (cm-1)
Weak
Medium
Strong
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