CBZ

CBZ-MEL

CBZ-IBU

CBZ-MEF

Assignments

-

3549

-

-

ν (O-H)

3464, 3340

3464, 3344

3464, 3340

3464, 3311

ν (N-H) stretching

3159, 3020

3157, 3022

2954, 2922

3016, 2918

ν (C-H)

1676

1680

1720, 1678

1678, 1649

ν (C=O)

-

1658

-

-

ν (C=N)

1562

1554

1562

1575

ν (N-H) bending

1600, 1489

1598, 1490

1602, 1490

1508

ν (C=C)

1458

1458

1458

1446

ν (C-H) deformation

-

1124

1230

1255

ν (C-O)

1149

1157

1120

1159

ν (C-H) in plane

-

1303, 1267

-

-

ν (S=O)

-

873

867

893

δrock CH₂