Chemistry A-Level
bond vibration
What bond vibration means in Chemistry A-Level, as defined for AQA.
Definition of bond vibration
Check what you remember
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Reference: AQA
A covalent bond behaves like two masses joined by a spring, vibrating at a frequency fixed by the strength of the bond and the masses of the atoms it joins.
Topics that use bond vibration
- Infrared spectroscopy (AQA A-Level)
Related terms
- absence as evidence
- below 1500 cm⁻¹
- broad O–H shapes
- C=O near 1700 cm⁻¹
- characteristic wavenumbers
- comparison with a database
- fingerprint region
- units of cm⁻¹
Using bond vibration in the exam
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