Question

Calculate the number of normal modes of vibration for the CH4 compound ?

Answer 1

Calculate Number of Vibrational Modes

Determine if the molecule is linear or nonlinear (i.e. Draw out molecule using VSEPR). If linear, use Equation \ref{1}. If nonlinear, use Equation \ref{2}

Calculate how many atoms are in your molecule. This is your \(N\) value.

Plug in your \(N\) value and solve.

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