🥼organic chemistry review

Hertz, Hz,

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

In the context of organic chemistry, particularly within structure determination using mass spectrometry and infrared spectroscopy, hertz (Hz) is a unit of frequency that measures the number of cycles per second of a wave. It quantifies the rate at which molecules vibrate or rotate in response to energy absorption during spectroscopic analysis.

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