Symbol

R

νas(N-H) [cm−1]

νs(N-H) [cm−1]

δ(N-H) [cm−1]

δ(N-H) [cm−1]

ν(C-N) [cm−1]

E1

C3H7-

3362

3285

1603

819

1097

E2

C4H9-

3362

3286

1598

819

1092

E3

C8H17-

3364

3288

1599

818

1091

E4

C12H25-

3363

3285

1598

825

1090

E5

C16H33-

3364

3288

1597

817

1091

E6

C18H37-

3364

3289

1597

818

1090