1242

ν₃ ( ${\text{SO}}_3^{2-}$ )

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

1202

ν_as ( ${\text{SO}}_3^{2-}$ )

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

1055

ν ( ${\text{SO}}_3^{2-}$ )

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

1001

δ_in-pl. (CH)

(C-H)—deformation vibration in plane

934

δ Al-OH

(Al-OH)—deformation vibration

759

δ Al-OH

(Al-OH)—deformation vibration

535

(AlO₆)

(AlIV-O)—vibration

460

LiO

(Li-O)—vibration