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| ESR
or Electron Paramagnetic Resonance (EPR) |
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| Spectroscopy |
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| Provides
information about the electronic and |
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| molecular
structure of paramagnetic metal |
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| centers.
Measurement of the spin state, S, the |
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| magnitude
of hyperfine interactions with metal |
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| and
ligand nuclei, and the zero-field splitting of |
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| half-integer
S > 1/2 electronic states, allows a |
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| researcher
to identify the paramagnetic center, |
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| and
to potentially identify ligating atoms. |
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| • | Nuclear
hyperfine coupling constants |
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