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A theoretical study of the electronic spectrum of CCl2

✍ Scribed by Tae-Kyu Ha; H.-U. Gremlich; R.E. Bühler

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
304 KB
Volume
65
Category
Article
ISSN
0009-2614

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✦ Synopsis

Ab initio confgumtion interaction crdculations

for some Iowv-lying electronic states of the ditiorocabene radical (CCh) h&e been Mied out. The UV absorption band st 330 nm (3.76 eV) obtained by the puke radioIysis experiment is confiiect and assigszed to the 'Al -IBt txmsition. The c&t&ted transition energy amounts to 318-4 nm (3.90 eV)_ The first triplet state (3B,) is found to Iie OAT3 eVabove the *_A1 ground state_ Pulse radiolysis of liquid CC14 [ I] and low temperature radiolysis of poIycryStalIine CCI, l2J reveal a characteristic absorption band centered at 330 nm (fuli half width 30 mu), which so far couId not be identified, The Land in liquid CC14 (-22OC) derltys by first or&r with a ktIflife of-535 f 40 ns [I 1; leaving a smaI1 permanent absorption due to chlorine moIecuZes (CIr)_ From its kinetic behaviour it has been

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