vibration

cm⁻¹

Type vibration

3600 - 3400

ν (OH)

(OH)—valence vibration—main layer

ν₁, ν₃ (H₂O)

(H-O-H)—valence vibration—interlayer water

2990

ν_as (CH₃)

asym. (C-H)—valence vibration of CH₃-group

2941

ν_as (CH₂)

asym. (C-H)—valence vibration of CH₂-group

2885

ν_s (CH₂)

sym. (C-H)—valence vibration of CH₂-group

1627

ν₂ (H₂O)

(H-O-H)—valence vibration—interlayer water

1461

δ_as (CH₃)

asym. (C-H)—deformation vibration of CH₃-group

1417

δ_s (CH₂)

sym. (C-H)—deformation vibration of CH₂-group

1371

δ_s (CH₃)

sym. (C-H)—deformation vibration of CH₃-group

1290

ν_as ( ${\text{SO}}_3^{2-}$ )

asym. ( ${\text{SO}}_3^{2-}$ )—valence vibration

1249

ν₃ ( ${\text{SO}}_3^{2-}$ )

( ${\text{SO}}_3^{2-}$ )—valence vibration

1186

ν (SO₂)

( ${\text{SO}}_3^{2-}$ )—valence vibration

1051

ν ( ${\text{SO}}_3^{2-}$ )

( ${\text{SO}}_3^{2-}$ )—valence vibration

1005

δ_in-pl. (CH)

(C-H)—deformation vibration within plane

940

δ Al-OH

(Al-OH)—deformation vibration

752

δ Al-OH

(Al-OH)—deformation vibration

532

(AlO₆)

(Al-O)—vibration

459

LiO

(Li-O)—vibration