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Volumn 190, Issue 2-3, 2007, Pages 241-257

Electronic structure of the photoactive yellow protein chromophore: Ab initio study of the low-lying excited singlet states

Author keywords

CC2 method; cis trans isomerisation; Conical intersection; Effects of the protein environment; EOM CCSD method; Excited states; Polarization; PYP; PYP chromophore

Indexed keywords


EID: 34447630077     PISSN: 10106030     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jphotochem.2007.04.033     Document Type: Article
Times cited : (69)

References (102)
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    • J.F. Stanton, J. Gauss, J.D. Watts, P.G. Szalay, R.J. Bartlett, ACES II The Mainz-Austin-Budapest version, with contributions from A.A. Auer, D.B. Bernholdt, O. Christiansen, M.E. Harding, M. Heckert, O. Heun, C. Huber, D. Jonsson, J. Jusélius, W.J. Lauderdale, T. Metzroth, C. Michauk, K. Ruud, F. Schiffmann, A. Tajti, Integral packages included are VMOL (J. Almlöf, P.R. Taylor); VPROPS (P. Taylor) ABACUS; (T. Helgaker, H.J. Aa. Jensen, P. Jørgensen, J. Olsen, P.R. Taylor).
  • 75
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    • M. de Groot et al., unpublished results.
  • 80
    • 34447632913 scopus 로고    scopus 로고
    • b states of benzene.
  • 81
    • 34447645567 scopus 로고    scopus 로고
    • Note that in our previous work [56] the ordering of the two π-π* states is reversed, as a consequence of the strong configurational mixing even for small changes in the molecular structure. Furthermore, the methyl ester was replaced by a hydroxy group in this study.
  • 82
    • 34447646381 scopus 로고    scopus 로고
    • * states is arbitrary.
  • 83
    • 34447641712 scopus 로고    scopus 로고
    • The autoionization-induced linewidth has not been precisely determined as yet [53].
  • 84
    • 34447621120 scopus 로고    scopus 로고
    • * state, see discussion in Ref. [56].
  • 85
    • 34447643134 scopus 로고    scopus 로고
    • * state was found to become higher in energy due to the effect of hydrogen bonding [57].
  • 87
    • 34447620738 scopus 로고    scopus 로고
    • α minima resulting from the clockwise or counterclockwise rotation of the alkene fragment around the single bond.
  • 88
    • 34447644124 scopus 로고    scopus 로고
    • According to Groenhof et al. [33], the single-bond twisted minimum disappears when the chromophore's local environment is taken into account; at the same time, the barrier for reaching the double-bond twisted minimum is diminished or disappears entirely.
  • 90
    • 34447630717 scopus 로고    scopus 로고
    • β minima exist which result from the clockwise or counterclockwise rotation of the carbonyl fragment around the double bond.
  • 91
    • 34447635136 scopus 로고    scopus 로고
    • 1 PES which is beyond the scope of the present study. These issues will be addressed in forthcoming investigations.
  • 102
    • 34447639317 scopus 로고    scopus 로고
    • Here we imply that the acceptor properties (with regard to the electron involved in the π-π* excitation) can be estimated from the electron affinity (EA) of the neutral species or the first ionization potential (IP) of the anion. Within the same geometry, calculational method and basis set, the EA of the neutral and IP of the anion should be equal.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.