Journal of Applied Spectroscopy

, Volume 82, Issue 3, pp 360–366 | Cite as

Spectroscopic Properties and Ligand-Field Analysis of the Bis(Ethylenediamine Monoacetato-N,N',O)Chromium(III) Moiety

  • J.-H. Choi

The sharp-line absorption spectrum of (H2en)[Cr(edma)2]2Cl4·2H2O (edma=ethylenediaminemonoacetate) has been measured between 13,000 and 16,000 cm–1 at temperatures down to 5 K. The emission, IR and UV-visible absorption spectra are measured as well. The vibrational intervals of the electronic ground state are extracted from the far-infrared and emission spectra. The nine electronic bands due to spin-allowed and spin-forbidden transitions are assigned. Using the observed electronic transitions, a ligand-fi eld analysis is performed in the framework of the angular overlap model. The zero-phonon line in the sharp-line absorption spectrum splits into two lines that differ by 168 cm–1; the large 2 E g splitting can be reproduced by ligand fi eld theory. The oxygen atoms of the edma ligand are confi rmed to have strong σ- and π-donor properties toward chromium(III).


chromium(III) complex ethylenediaminemonoacetate spectral properties ligand- fi eld analysis 


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Andong National UniversityAndongRepublic of Korea

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