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Volumn 126, Issue 11, 2007, Pages

Effect of fluorination on the electronic structure and optical excitations of π-conjugated molecules

Author keywords

[No Author keywords available]

Indexed keywords

CONJUGATED POLYMERS; DENSITY FUNCTIONAL THEORY; ELECTRONEGATIVITY; FLUORINE COMPOUNDS; MOLECULAR STRUCTURE; SUBSTITUTION REACTIONS;

EID: 34047118206     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.2713096     Document Type: Article
Times cited : (88)

References (49)
  • 15
    • 0037435336 scopus 로고    scopus 로고
    • Synth. Met. 133-134, 361 (2003).
    • (2003) Synth. Met , vol.133-134 , pp. 361
  • 31
    • 28244500025 scopus 로고    scopus 로고
    • R. Malavé Osuna, R. Ponce Ortiz, M. C. Ruiz Delgado, Y. Sakamoto, T. Suzuki, V. Hernandez, and J. T. López Navarrete, J. Phys. Chem. B 109, 20737 (2005).
    • R. Malavé Osuna, R. Ponce Ortiz, M. C. Ruiz Delgado, Y. Sakamoto, T. Suzuki, V. Hernandez, and J. T. López Navarrete, J. Phys. Chem. B 109, 20737 (2005).
  • 37
    • 0000474420 scopus 로고
    • edited by K. W. Lipkowitz and D. B. Boyd VCH, New York
    • M. C. Zerner, in Reviews in Computational Chemistry, edited by K. W. Lipkowitz and D. B. Boyd (VCH, New York, 1994), Vol. 2, p. 313.
    • (1994) Reviews in Computational Chemistry , vol.2 , pp. 313
    • Zerner, M.C.1
  • 38
    • 4243539377 scopus 로고    scopus 로고
    • All the HF/CIS and (TD-)DFT calculations were carried out using the TURBOMOLE 5.7.1 quantum-chemical package; R. Ahlrichs, M. Bǎr, M. Häser, H. Horn, and C. Kölmel, Chem. Phys. Lett. 162, 165 (1989).
    • All the HF/CIS and (TD-)DFT calculations were carried out using the TURBOMOLE 5.7.1 quantum-chemical package; R. Ahlrichs, M. Bǎr, M. Häser, H. Horn, and C. Kölmel, Chem. Phys. Lett. 162, 165 (1989).
  • 42
    • 0003505419 scopus 로고    scopus 로고
    • 2nd ed, edited by A. D. Mc Naught and A. Wilkinson Royal Society of Chemistry, Cambridge, UK
    • IUPAC Compendium of Chemical Terminology, 2nd ed., edited by A. D. Mc Naught and A. Wilkinson (Royal Society of Chemistry, Cambridge, UK, 1997).
    • (1997) IUPAC Compendium of Chemical Terminology
  • 43
    • 34047175692 scopus 로고    scopus 로고
    • For a given molecule, substitution of the H atom at the C atom ρ with a fluorine atom modifies the energy of the orbitals due to the inductive and mesomeric effects. These can be cast for a given orbital i according to perturbation theory following Eqs, 1 and (2, where Δε ind(1, Δεind(2, and Δεmes refer to first (second) order inductive and mesomeric effects, respectively, and the symbol C-F means that the sum is extended over all carbon atoms carrying a F atom. Δεind,i, Δεind,i(1, Δε ind,i(2, ∑ C-F[ciρ 2Δαρ, ∑j≠i c iρ2cjρ2Δ 2αρ/εi-εj, 1) Δεmes,i=∑C-F c
    • ζAO of fluorine.
  • 44
    • 34047184052 scopus 로고    scopus 로고
    • The MOs have been depicted using the MOLEKEL 4.3 program by P. Flükiger, H. P. Lüthi, S. Portmann, and J. Weber, Swiss Center for Scientific Computing, Manno, Switzerland, 2002;
    • The MOs have been depicted using the MOLEKEL 4.3 program by P. Flükiger, H. P. Lüthi, S. Portmann, and J. Weber, Swiss Center for Scientific Computing, Manno, Switzerland, 2002;
  • 46
    • 34047135356 scopus 로고    scopus 로고
    • The comparison between HF/CIS and experimental energies was done in terms of adiabatic transition energies since vertical transition energies are largely affected by a bad description of the potential energy hypersurface of the excited state at the CIS level
    • The comparison between HF/CIS and experimental energies was done in terms of adiabatic transition energies since vertical transition energies are largely affected by a bad description of the potential energy hypersurface of the excited state at the CIS level.
  • 47
    • 4043116946 scopus 로고    scopus 로고
    • J. C. Sancho-García, L. Poulsen, J. Gierschner et al., Adv. Mater. (Wein-heim, Ger.) 16, 1193 (2004).
    • J. C. Sancho-García, L. Poulsen, J. Gierschner et al., Adv. Mater. (Wein-heim, Ger.) 16, 1193 (2004).
  • 48
    • 34047116668 scopus 로고    scopus 로고
    • 1) are 0.2 in 5Ac and 8 in PF-5Ac at the B3LYP level.
    • 1) are 0.2 in 5Ac and 8 in PF-5Ac at the B3LYP level.
  • 49
    • 34047164820 scopus 로고    scopus 로고
    • In the case of 5Ac the orbitals involved are H-2 and L+2, whereas in PF-5Ac they are H-3 and L+1. Since in both molecules H-2 and H-3, on the one hand, and L+2 and L+1, on the other hand, correspond to the same type of MOs b2g and au, respectively, we have adopted the notation H-x and L+y for simplicity
    • u, respectively), we have adopted the notation H-x and L+y for simplicity.


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