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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 5
BKCSDE 19(5)
May 20, 1998 

Luminescence, Excitation and Far-infrared Spectroscopy of cis-α-Dichlorotriethyleneteraminechromium(III) Chloride
Jong-Ha Choi
The 77 K luminescence and excitation spectra, and 298 K infrared and absorption spectra of cis-α -[Cr(trien)Cl2]Cl·H2O (trien=triethylenetetramine) have been measured. Ligand field electronic transitions due to spin-allowed and spin-forbidden are assigned. The zero-phonon line in the excitation spectrum splits into two components by 198 cm-1, and the large 2Eg splitting can be reproduced by the modern ligand field theory. It is confirmed that nitrogen atoms of the trien ligand have a strong σ-donor character, but chloride ligand has weak σ- and π -donor properties toward chromium(III) ion.
575 - 579
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