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. Author manuscript; available in PMC: 2010 Jul 2.
Published in final edited form as: J Phys Chem B. 2009 Jul 2;113(26):9016–9025. doi: 10.1021/jp9021807

Figure 1.

Figure 1

The EPR spectra (left) and energy levels (right) of a Mn(II) ion when the Zeeman interaction (gβB) is the dominant interaction. The energy diagram is for the case where E=0 and the heavy arrows denote the five formally allowed electronic spin transitions. The powder spectrum of the ms=−5/2 →−3/2 transition is shown for D < 0 (red) and D > 0 (black). The ms=−1/2 →1/2 spectrum and the associated electron-nuclear hyperfine transitions (fine arrows) are also shown. Both, the ms=−5/2 →−3/2 and ms=−1/2 →1/2 spectra are centered Bcenter=hν/gβ. The labeled field positions are relative to Bcenter.