Group theoretical interpretation of gillespite polarized spectra

2 Group theoretical interpretation of gillespite polarized spectra 

The gillespite structure is illustrated in fig. 3.19. The planar [Fe04] group, strictly speaking, has C4 symmetry. However, the Fe2+ ion is only 0.3 pm out of 

Spectrum Polarization Group theory representation (T ) Transition (f g f e) Direct product (rgxr/1xre) Vibrational mode allowing vibronic coupling (Fig. 3.20) Assignment (position of peak in cm-1) (Fig. 3.3) 

3 Energy level diagrams and crystal field spectra 

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