Describe why the in phase vibration is located at a higher

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Acetylene has two C=H groups. It will have two C-H stretching frequencies, the in-phase and out-phase stretching modes. The in-phase (symmetric) stretch occurs at 3374/cm and the out of phase stretch at 3333/cm. Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.

Reference no: EM13127913

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