. 2013 Oct 23;3:3031. doi: 10.1038/srep03031

Table 2. Selection rules for phonon scattering in graphite. Possible final states at the Γ point for phonon scattering from the K point.

Initial State		K₁	K₂	K₃	K₄	K₅	K₆
Allowed States	K₁(TO)	Γ₁⁺, Γ₃⁻	Γ₃⁺, Γ₁⁻	Γ₂⁺, Γ₄⁻	Γ₄⁺, Γ₂⁻	Γ₆⁺, Γ₅⁻	Γ₅⁺, Γ₆⁻
	K₂(TA)	Γ₃⁺, Γ₁⁻	Γ₁⁺, Γ₃⁻	Γ₄⁺, Γ₂⁻	Γ₂⁺, Γ₄⁻	Γ₅⁺, Γ₆⁻	Γ₆⁺, Γ₅⁻
	K₅(LA,LO)	Γ₆⁺, Γ₅⁻	Γ₅⁺, Γ₆⁻	Γ₆⁺, Γ₅⁻	Γ₅⁺, Γ₆⁻	Γ₁⁺, Γ₃⁻, Γ₂⁺	Γ₃⁺, Γ₁⁻, Γ₄⁺
						Γ₄⁻, Γ₅⁺, Γ₆⁻	Γ₂⁻, Γ₆⁺, Γ₅⁻
	K₆(ZA,ZO)	Γ₅⁺, Γ₆⁻	Γ₆⁺, Γ₅⁻	Γ₅⁺, Γ₆⁻	Γ₆⁺, Γ₅⁻	Γ₃⁺, Γ₁⁻, Γ₄⁺	Γ₁⁺, Γ₃⁻, Γ₂⁺
						Γ₂⁻, Γ₆⁺, Γ₅⁻	Γ₄⁻, Γ₅⁺, Γ₆⁻