Landau-Lifshitz Mechanics Book 3 (English Version) Pg 403

Problem 5: Classify the normal vibrations of the molecule C6H6

Solution by L&L: 2 A1g, 1 A2g, 1 A2u, 1 B1g, 1 B1u, 1 B2g, 3 B2u, 1 E1g, 3 E1u, 4 E2g, 2 E2u

Correct Solution: 2 A1g, 1 A2g, 1 A2u, 0 B1g, 2 B1u, 2 B2g, 2 B2u, 1 E1g, 3 E1u, 4 E2g, 2 E2u

My Solution 1 here

My Solution 2 here

Independent Source: https://faculty.csbsju.edu/frioux/q-jump/C6H6.pdf

Verified by Prof. David Khmelnitskii, Trinity College, University of Cambridge

4 Feb 2021