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. 2017 Jan 16;7(4):452–465. doi: 10.1016/j.jtcme.2016.12.006

Table 1.

List of chemical functional groups present in AP, CX, CZ, EP and OS.

Functional group Vibration (Stretch/Bend) Range AP CX CZ EP OS
Alkanes C–H stretch 3000–2800 ✓ ✓ ✓ ✓ ✓
C–H bend 1500–1440 – – ✓ ✓ –
Alkenes C–H stretch 3200–3000 – – – – –
C Created by potrace 1.16, written by Peter Selinger 2001-2019 C stretch 1680–1600 ✓ ✓ ✓ ✓ ✓
Aromatic rings (sp2) = C–H stretch 3200–3000 – – – – –
C Created by potrace 1.16, written by Peter Selinger 2001-2019 C stretch 1600–1400 ✓ ✓ ✓
Hydroxyl compounds O–H stretch 3600–3200 ✓ ✓ ✓ ✓ ✓
Carbonyl compounds C Created by potrace 1.16, written by Peter Selinger 2001-2019 O stretch 1610–1550 ✓ – – – –
Amino acid C Created by potrace 1.16, written by Peter Selinger 2001-2019 O stretch 1600–1660 ✓ ✓ ✓ ✓ ✓
Aldehydes C Created by potrace 1.16, written by Peter Selinger 2001-2019 O stretch 1750–1625 – ✓ – – ✓
C–H stretch of C Created by potrace 1.16, written by Peter Selinger 2001-2019 O 2700–2850 – – – – –
Amines N–H stretch 3500–3100 ✓ ✓ ✓ ✓ ✓
N–H Bend 1640–1550 ✓ ✓ ✓ ✓ ✓
Nitriles C Created by potrace 1.16, written by Peter Selinger 2001-2019 N stretch 2500–2000 ✓ ✓ ✓ – ✓
Amides N–H stretch 3500–3100 ✓ ✓ ✓ ✓ ✓
C Created by potrace 1.16, written by Peter Selinger 2001-2019 O stretch 1670–1600 ✓ ✓ ✓ ✓ ✓
N–H bend 1640–1550 ✓ ✓ ✓ ✓ ✓
Ethers C–O stretch 1040 & 1260 ✓ ✓ – – ✓