Elsevier

Chemical Physics Letters

Volume 94, Issue 1, 7 January 1983, Pages 14-20
Chemical Physics Letters

Stark effect on the S1 ← S0 transition of the two tautomeric forms of chlorin studied by photochemical hole-burning in n-hexane and n-octane single crystals at 1.2 K

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Abstract

Stark experiments are reported on the S1 ← S0 0-0 transitions of chlorin (7.8-dihydroporphin) and its photoisomer in different sites in n-hexane and n-octane single crystals by photochemicals hole-burning at 1.2 K. For chlorin Δμ = +0.23 D, with ΔμtμtS0). For the photoproduct we estimate μ(S1) = 2.2 D with a site-dependent angle between μ(S1) and μ(S0) of up to 24.

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Permanent address: Department of Chemistry, York College, The City University of New York, Jamaica, New York 11451, USA.

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