ChemInform Abstract: TRANSITION METAL COMPLEXES OF UNSTABLE YLIDES, V. NOVEL DOUBLE YLIDES OF PHOSPHORUS AS CHELATING LIGANDS IN CHROMIUM COMPLEXES

1985 ◽  
Vol 16 (26) ◽  
Author(s):  
L. WEBER ◽  
D. WEWERS
1971 ◽  
Vol 24 (9) ◽  
pp. 1807 ◽  
Author(s):  
JL Laver ◽  
PW Smith

Experimental investigations of the luminescence exhibited by a range of tervalent chromium complexes are reported. The effects of the coordinated ligand on the temperature dependence of phosphorescence are examined and rationalized in terms of the 4T2-2E energy interval. In the case of hexaureachromium complexes which emit both phosphorescence and fluorescence the varying emission intensities observed for compounds with a variety of anions are interpreted in terms of competition between the non-radiative thermal repopulation process 2E ~~→ 4T2 and the radiative processes 2E → 4A2, 4T2 → 4A2.


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