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Substituent conformational effects in the magnetic circular dichroism and absorption spectra of free-base carbonyl porphyrins

✍ Scribed by Goldbeck, Robert A.; Tolf, Bo Ragnar; Bunnenberg, Edward; Djerassi, Carl


Book ID
126941961
Publisher
American Chemical Society
Year
1987
Tongue
English
Weight
576 KB
Volume
109
Category
Article
ISSN
0002-7863

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The absorption and magnetic circular dichroism (MCD) spectra of CGO isolated in Ar matrices have been measured in the visible and near-ultraviolet. The first two allowed bands (at 2326 and z 253 nm) show substantial negative .d terms. Sharp, weak vibronic structure showing clear evidence.of Jahn-Tel