Electron Spin Resonance (ESR) Spectroscopy

Lesson Structure

1.0     Objective

1.1     Introduction

1.2     Principle behind ESR spectroscopy

1.3     Line-width of ESR signal

1.4     Intensity of ESR signals

1.5     Instrumental Technique in ESR spectroscopy

1.6     Hyperfine structures.

1.7     ESR spectrum of Hydrogen atom

1.8     Selection rules for ESR spectra

1.9     ESR spectrum of one electron system coupled to a nucleus of spin I = 1

1.10   ESR spectrum due to an unpaired electron coupled to two magnetic nuclei  

1.11   ESR spectrum of Methyl Free radical [^•CH₃]

1.12   ESR spectrum of Benzene Anion [C₆H₆^•-]

1.13   Hyperfine splitting rules for predicting the nature of ESR spectrum

1.14   Zero-field splitting and fine structure

1.15   Lande splitting Factor (g)

1.16   Factors Affecting g-values

              Solved Examples

              Model Question

              References

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