Methane: CH4

Vibrational mode 1a
   degenerated
1/λcalc = 3087 cm-1
   Raman + IR active

Vibrational mode 1b
   degenerated
1/λcalc = 3087 cm-1
   Raman + IR active

Vibrational mode 1c
   degenerated
1/λcalc = 3087 cm-1
   Raman + IR active


Vibrational mode 2

1/λcalc = 2972 cm-1
   Raman active


Vibrational mode 3a
   degenerated
1/λcalc = 1508 cm-1
   Raman active

Vibrational mode 3b
   degenerated
1/λcalc = 1508 cm-1
   Raman active


Vibrational mode 4a
   degenerated
1/λcalc = 1285 cm-1
   Raman + IR active

Vibrational mode 4b
   degenerated
1/λcalc = 1285 cm-1
   Raman + IR active

Vibrational mode 4c
   degenerated
1/λcalc = 1285 cm-1
   Raman + IR active



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