Functional groups

Wavelenghts

CMC (test)

CMC (commercial)

Chloro compound C-Cl stretch

719.0474

755.5179

Ether CO stretch

843.5541

872.3141

Vinylidine C=C anti-symetric stretch

1335.44

1394.299

Carboxylic acid CO stretch

2002.637

2056.229

Carbonyl compound

2145.372

2273.180

10 alcohol OH stretch

3075.476

3011.466

30 amine NH stretch

3211.315

3452.856

30 alcohol OH stretch

3424.544

3557.237

30 alcohol OH stretch

3630.496

3808.803

Methylene CH stretch

2686.292

2604.162

Nitriles CN anti-symmetric stretch

2472.825

2483.585

Cyclic ester CO stretch

1747.612

1836.135