Collect. Czech. Chem. Commun. 2009, 74, 147-166
https://doi.org/10.1135/cccc2008065
Published online 2009-01-29 18:12:29

The close relation between cyclic delocalization, energy effects of cycles and aromaticity

Robert Poneca,*, Stijn Fiasb, Sofie Van Dammeb, Patrick Bultinckb, Ivan Gutmanc and Sonja Stankovićc

a Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, v.v.i., 165 02 Prague 6-Suchdol, Czech Republic
b Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281, B-9000 Ghent, Belgium
c Faculty of Science, University of Kragujevac, P.O. Box 60, 34000 Kragujevac, Serbia

Individual author index pages


Other CCCC articles of these authors

  • Robert Ponec
    Molecular Basis of LFER. Simple Model for the Estimation of Brønsted Exponent in Acid-Base Catalysis
    2004, Vol. 69, Issue 12, pp. 2121–2133 [Abstract]
  • Robert Ponec
    Electron Reorganization in Chemical Reactions. Bond Order Conservation vs Multicenter Bonding in the Course of Chemical Reactions
    1997, Vol. 62, Issue 12, pp. 1821–1831 [Abstract]
  • Robert Ponec and Filip Uhlík
    Electron Pairing and Chemical Bonds. Physical Meaning of Effective Pairs
    1994, Vol. 59, Issue 12, pp. 2567–2578 [Abstract]
  • Robert Ponec
    Electron Pairing and Chemical Bonds
    1994, Vol. 59, Issue 3, pp. 505–516 [Abstract]
  • Robert Ponec and Martin Strnad
    The Least Motion Principle, Concertedness and the Mechanisms of Pericyclic Reactions. A Similarity Approach
    1994, Vol. 59, Issue 1, pp. 75–88 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological Aspects of Chemical Reactivity. Electron Correlation in the Course of Chemical Reactions
    1993, Vol. 58, Issue 8, pp. 1751–1760 [Abstract]
  • Robert Ponec
    Similarity Approach to Chemical Reactivity. Substituent Effect in Pericyclic Reactions
    1993, Vol. 58, Issue 1, pp. 11–23 [Abstract]
  • Robert Ponec and Martin Strnad
    Chemical Bonds and Their Transformations in the Course of Chemical Reactions
    1992, Vol. 57, Issue 6, pp. 1177–1185 [Abstract]
  • Martin Strnad and Robert Ponec
    Geodesic Formulation of the Least Motion Principle in Chemical Reactivity
    1992, Vol. 57, Issue 2, pp. 232–240 [Abstract]
  • Robert Ponec and Martin Strnad
    Similarity approach to chemical reactivity. Specificity of multibond processes
    1990, Vol. 55, Issue 11, pp. 2583–2589 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological aspects of chemical reactivity. On physical meaning of the similarity index
    1990, Vol. 55, Issue 10, pp. 2363–2367 [Abstract]
  • Robert Ponec and Martin Strnad
    A novel approach to the characterization of molecular similarity. The 2nd order similarity index
    1990, Vol. 55, Issue 4, pp. 896–902 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological aspects of chemical reactivity. Relation between the overlap determinant method and the least motion principle
    1990, Vol. 55, Issue 3, pp. 622–629 [Abstract]
  • Robert Ponec and Milan Hájek
    Influence of the solvent on the transmission of polar effects in free radical reactions. A theoretical study
    1988, Vol. 53, Issue 11, pp. 2714–2721 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Valency changes in the course of chemical reactions
    1987, Vol. 52, Issue 11, pp. 2603–2612 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. On the possible use of similarity index in characterizing the transition state structure in concerted pericyclic reactions
    1987, Vol. 52, Issue 6, pp. 1375–1385 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. On the similarity of molecular structures
    1987, Vol. 52, Issue 3, pp. 555–562 [Abstract]
  • Robert Ponec, Štěpán Krupička and Milan Hájek
    MO analysis of chemically interacting systems. Reaction of hydrogen abstraction by free radicals
    1987, Vol. 52, Issue 3, pp. 547–554 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Catalytic reactions
    1986, Vol. 51, Issue 9, pp. 1843–1855 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Correlation diagrams and overlap determinant method
    1986, Vol. 51, Issue 9, pp. 1834–1842 [Abstract]
  • Petr Duchek, Robert Ponec and Václav Chvalovský
    Influence of solvents on electrochemical reduction potentials of chlorosilanes
    1986, Vol. 51, Issue 5, pp. 967–972 [Abstract]
  • Vladimír Morávek and Robert Ponec
    Possible role of nonclassical ions in acid catalysed dehydration of ethanol
    1986, Vol. 51, Issue 4, pp. 842–846 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. A simple method for estimating the activation energies in pericyclic reactions
    1986, Vol. 51, Issue 1, pp. 175–187 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Simple alternative method for determining parity of Kékule structures
    1985, Vol. 50, Issue 12, pp. 2639–2646 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Reorganisation of electron density in allowed and forbidden reactions
    1985, Vol. 50, Issue 5, pp. 1121–1132 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Theoretical justification of overlap determinant method
    1985, Vol. 50, Issue 3, pp. 577–580 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Photochemical and free radical reactions
    1985, Vol. 50, Issue 3, pp. 559–576 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity
    1984, Vol. 49, Issue 2, pp. 455–473 [Abstract]
  • Robert Ponec, Milan Hájek and Jaroslav Málek
    PMO treatment of structure-reactivity relationships. Polar effects in the free radical addition reactions
    1983, Vol. 48, Issue 9, pp. 2469–2472 [Abstract]
  • Robert Ponec, Jan Kučera and Václav Chvalovský
    Basicity of carbonfunctional organosilicon compounds and mechanism of the α effect
    1983, Vol. 48, Issue 6, pp. 1602–1607 [Abstract]
  • Robert Ponec
    On separation of inductive and resonance effect
    1983, Vol. 48, Issue 6, pp. 1564–1570 [Abstract]
  • Robert Ponec
    Interpretation of a molecular wave function in terms of individual structures
    1983, Vol. 48, Issue 1, pp. 34–40 [Abstract]
  • Robert Ponec
    On definition of electronegativity within the framework of MO methods
    1982, Vol. 47, Issue 5, pp. 1479–1485 [Abstract]
  • Robert Ponec and Jaroslav Málek
    The reliability of MINDO method for characterizing the transition state structures in radical addition reactions
    1982, Vol. 47, Issue 3, pp. 802–808 [Abstract]
  • Seán Cawley, Jan Schraml, Petr Svoboda, Robert Ponec and Václav Chvalovský
    1H NMR spectra of some chloro-alkenes
    1981, Vol. 46, Issue 11, pp. 2924–2934 [Abstract]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Hyperconjugation in organosilicon chemistry
    1981, Vol. 46, Issue 11, pp. 2663–2668 [Abstract]
  • Robert Ponec, Milan Hájek and Jaroslav Málek
    PMO-treatment of the structure-reactivity relationships in free radical addition reactions of cycloalkenes
    1981, Vol. 46, Issue 10, pp. 2524–2530 [Abstract]
  • Luboš Dejmek, Robert Ponec and Václav Chvalovský
    Protonation-induced variability of electronic effects of silyl and germyl substituents in α-carbofunctional derivatives
    1980, Vol. 45, Issue 12, pp. 3518–3524 [Abstract]
  • Luboš Dejmek, Robert Ponec and Václav Chvalovský
    Fourier component analysis of internal rotation in β-carbofunctional derivatives of group IVb elements
    1980, Vol. 45, Issue 12, pp. 3510–3517 [Abstract]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Fourier components analysis of internal rotation in carbofunctional derivatives of group iv b elements
    1980, Vol. 45, Issue 11, pp. 2895–2902 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Quantum chemical study of the positive bridging effect
    1980, Vol. 45, Issue 7, pp. 2054–2062 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Importance of the field effect in transmission of the substituent effect
    1980, Vol. 45, Issue 6, pp. 1655–1661 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Quantum chemical estimation of the Hammet ρ constants
    1980, Vol. 45, Issue 6, pp. 1646–1654 [Abstract]
  • Robert Ponec and Jaroslav Málek
    Mechanistic aspects of chain initiation in radical addition reactions induced by metal ions
    1980, Vol. 45, Issue 1, pp. 231–237 [Abstract]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Fourier component analysis of intramolecular interactions in α-carbofunctional silanes
    1979, Vol. 44, Issue 5, pp. 1434–1439 [Abstract]
  • Ante Graovac, Ivan Gutman, Milan Randić and Nenad Trinajstić
    Kekulé index for valence bond structures of conjugated systems containing cyclobutadiene
    1978, Vol. 43, Issue 5, pp. 1375–1392 [Abstract]