Journal of Photoscience

한국광과학회 (Korean Society of Photoscience)
권호 표지

Electronic Spectroscopy and Ligand Field Analysis of mer-Chloro(1,2-ethanediamine)(1,5,9-triazanonane)chromium(III) Tetrachlorzincate(II)

  • Park, Jong-Ha (Department of Applied Chemistry,Andong National University) ;
  • Park, Yu-Chul (Department of Chemistry, Kyungpook National University) ;
  • Kim, Hag-Sung (Department of Industrial Chemistry,Ulsan Collage)
  • 발행 : 2000.09.01
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초록

The 77 K emission and excitation spectra, and 298 K infrared and absorption spectra of mer-[CrCl(en)(dpt)]ZnCl$_4$(en=1,2-diaminoethane; dpt=1,5,9-triazanonane) 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 151$cm^{-1}$ /, and large$^2$E$^{g}$ splitting can be reproduced by the modern ligand field theory. It is confirmed that nitrogen atoms of the en and dpt ligands have a strong $\delta$-donor character, but chloride ligand has weak $\delta$-and $\pi$-donor properties toward chromium(III) ion.

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