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Your search keyword '"Wilbrandt, R."' showing total 23 results
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23 results on '"Wilbrandt, R."'

16. A Molecular Switch Involving Large Conformational Changes. A Theoretical Study

Author

Sommer-Larsen, P., Bjørnholm, Thomas, Jørgensen, M., Lerstrup, Knud, Frederiksen, P., Schaumburg, Kjeld, Brunfeldt, K., Bechgaard, Klaus, Roth, S., Poplawski, J., Byrne, H., Anders, J., Eriksson, L., Wilbrandt, R., Frederiksen, J., Sommer-Larsen, P., Bjørnholm, Thomas, Jørgensen, M., Lerstrup, Knud, Frederiksen, P., Schaumburg, Kjeld, Brunfeldt, K., Bechgaard, Klaus, Roth, S., Poplawski, J., Byrne, H., Anders, J., Eriksson, L., Wilbrandt, R., and Frederiksen, J.

Published
1993

17. A Molecular Switch Involving Large Conformational Changes. A Theoretical Study

Author

Sommer-Larsen, P., Bjørnholm, Thomas, Jørgensen, M., Lerstrup, Knud, Frederiksen, P., Schaumburg, Kjeld, Brunfeldt, K., Bechgaard, Klaus, Roth, S., Poplawski, J., Byrne, H., Anders, J., Eriksson, L., Wilbrandt, R., Frederiksen, J., Sommer-Larsen, P., Bjørnholm, Thomas, Jørgensen, M., Lerstrup, Knud, Frederiksen, P., Schaumburg, Kjeld, Brunfeldt, K., Bechgaard, Klaus, Roth, S., Poplawski, J., Byrne, H., Anders, J., Eriksson, L., Wilbrandt, R., and Frederiksen, J.

Published
1993

18. Time-resolved resonance Raman study of proton transferring systems in the excited triplet state: 2,2'-bipyridine and 2,2'-bipyridine-3,3'-diol

Author

Langkilde, F.W., Mordzinski, A., Wilbrandt, R., Langkilde, F.W., Mordzinski, A., and Wilbrandt, R.

Abstract

Time-resolved resonance Raman (RR) spectra of the excited triplet state T1 of 2,2'-bipyridine (BP), 2,2'-bipyridine-3,3'-diol BP(OH)2, and 5,5'-dimethyl-2,2'-bipyridine-3,3'-diol Me2BP(OH)2 are obtained. and interpreted by comparison with their ground-state Raman spectra and the T1 spectrum of biphenyl. The BP T1 RR spectrum is assigned assuming C2h molecular symmetry. The T1 RR spectra of BP(OH)2 and Me2BP(OH)2 are ascribed to diketo tautomers that are products of double proton transfer in the S1 state.

Published
1992

19. Resonance Raman study of benzyl radical

Author

Langkilde, F.W., Bajdor, K., Wilbrandt, R., Langkilde, F.W., Bajdor, K., and Wilbrandt, R.

Abstract

Time-resolved resonance Raman spectra are obtained of benzyl radicals created by laser flash photolysis of benzylchloride and diphenylacetone in solution. The spectra are obtained in resonance with the intense 2 2A2-1 B-2(2) transition of benzyl. The strong Raman bands are assigned to totally symmetric a1 modes. The remaining observed bands are tentatively assigned to fundamental modes of b1, a2, and b2 symmetry, and to overtones and combinations. The resonance Raman spectra are found to be quite different from previous fluorescence spectra of benzyl, and the origins of these differences are discussed.

Published
1992

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