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Properties of the phosphorescent state of 1,2,4,5-tetrabromobenzene as determined by optically detected magnetic resonance

✍ Scribed by A.H. Francis; C.B. Harris; A.M. Nishimura

Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
395 KB
Volume
14
Category
Article
ISSN
0009-2614

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✦ Synopsis

The optically dctectcd mngneric rcsonancc (ODAIR) nnd phosphoresccncc microwave double rcsonxncz (PJIDR) spectra of 1,5-.4.5-tetrabromobcnzenc in durcnc arc reported. The results shoxv that the phosphorescence originates from 311 undistorted "Blu(,nn') state. The sign and magnitude of the zero-field parsmeters sre discussed in terms of spin dipolnr interactions in the 3 B u, state snd large spin-orbit contributions to the zero-field splittinp. Finally, the tscited triplet stntc values for the "I3r and " Br nuclear quadrupolc coupling constants arc obtained from an anaiysis of the zero-field ODMR.

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