Raman shift (cm⁻¹)

Vibration

Ref.

143

symmetric stretching vibration of O-Ti-O in anatase form

[45]

198

symmetric stretching vibration of Ti-O-Ti in anatase form

[43] [46]

278

symmetric stretching vibration of Ti-O-K bonds

[50]

394

symmetric binding vibration of Ti-O-Ti in anatase form

[42]

448

symmetric stretching vibration of Ti-O-Ti crystal phonons

[46]

638

symmetric stretching vibration of Ti-O-Ti crystal phonons

[46]

704

symmetric stretching vibration of covalent Ti-O-H bonds

[46]

820

symmetric stretching vibration of covalent Ti-O-H bonds

[47]

920

surface Ti-O-K vibrations

[47]