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Table 1 Symbols used to identify the sub-classes of vibrations

From: Raman spectroscopy biochemical characterisation of bladder cancer cisplatin resistance regulated by FDFT1: a review

Symbol

Name of vibration

ν

Stretch

νs

Symmetric stretch

νas

Asymmetric stretch

δ

Deformation/bending/scissoring

ρ

Rock

τ

Torsion

ω

Wag

ωi

In-plane wag

ωo

Out-of-plane wag

t

Twist