PB Karadakov's Publications


Chemistry
  1. N. Tyutyulkov, B. Galounska and P. Karadakov, Phase Transitions in p-Polyphenyls, Commun. Dep. Chem. Bulg. Acad.  Sci. 12 (1979) 534-538 (in Bulgarian). ---
  2. P. Karadakov, O. Castaño, F. Fratev and V. Enchev, Some Contributions and Generalizations to the Electronic Theory of Even Polyenes and Annulenes, Chem. Phys. Lett. 78 (1981) 560-565.
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  3. O. Castaño and P. Karadakov, On the HMO Treatment of Systems, Built from Repeating Units, Math. Chem. MATCH 11 (1981) 87-95.
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  4. P. Karadakov, V. Enchev, F. Fratev and O. Castaño, Electronic Structure of Möbius Annulenes, Chem. Phys. Lett. 83 (1981) 529-532.
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  5. P. Karadakov and B. Galounska, Band Structure of Infinite Polyacenes, C. R. Bulg. Acad. Sci. 34 (1981) 1681-1683.
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  6. O. Castaño and P. Karadakov, Local States in Polyenes and Annulenes: Single Substitutions, Z. Phys. Chem. Neue Folge 126 (1981) 205-216.
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  7. P. Karadakov, O. Castaño, F. Fratev and V. Enchev, Electronic Structure and Aromaticity of (AB)N-Heteroannulenes, Z. Phys. Chem. Neue Folge 128 (1981) 169-178.
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  8. P. Karadakov and O. Castaño, A Resolvent Approach to the Electronic Structure of Systems, Constructed of Chain Fragments: Branched Polyenes, J. Chem. Soc. Faraday Trans. 2 78 (1982) 73-80.
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  9. P. Karadakov and O. Castaño, Application of the Resolvents of Some Simple Linear Operators to the Study of Local Vibrations and Local Electronic States in One-Dimensional Chains, J. Mol. Struc. THEOCHEM, 90 (1982) 115-125.
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  10. P. Karadakov and O. Castaño, Instabilities of the Symmetry-Adapted Hartree-Fock Ground State in Infinite Polyenes: I. Singlet Instabilities, Int. J. Quantum Chem. 22 (1982) 351-365.
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  11. O. Castaño and P. Karadakov, Instabilities of the Symmetry-Adapted Hartree-Fock Ground State in Infinite Polyenes: II. Nonsinglet Instabilities, Int. J. Quantum Chem. 22 (1982) 367-383.
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  12. P. Karadakov and O. Castaño, A PPP-Investigation of Structural Isomerism in Infinite Polyenes, Z. Naturforshung 37a (1982) 28-32.
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  13. P. Karadakov and O. Castaño, New Derivation of (In)Stability Conditions for Projected Hartree-Fock Solutions, Int. J. Quantum Chem. 22 (1982) 1033-1036.
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  14. O. Castaño and P. Karadakov, Local States in One-Dimensional Homonuclear Chains, Zh. Fis. Khim. 57 (1983) 1155-1157 (in Russian).
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  15. P. Karadakov and O. Castaño, Stability Properties of Closed-Shell Restricted Hartree-Fock Solutions for Electronic Systems in the Framework of the Projected Hartree-Fock Method and Their Utilization, Int. J. Quantum Chem. 24 (1983) 453-457.
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  16. P. Karadakov and O. Castaño, An Analytical Approach to Monoexcited CI for Infinite Polyenes in the Hubbard Approximation, Chem. Phys. Lett. 106 (1984) 280-285.
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  17. F. Fratev, V.Enchev, P. Karadakov and O. Castaño, A Classification of Polyenes into 4L + 2- and 4L-Classes on the Basis of Coulson's Bond-Orders and Information Theory and Its Application to the Interpretation of Electrocyclic Reactions, Int. J. Quantum Chem. 26 (1984) 993-1015.
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  18. P. Karadakov, An Extension of the Pairing Theorem, Int. J.  Quantum Chem. 27 (1985) 699-707.
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  19. P. Karadakov and O. Castaño, Inestabilidad de las soluciones de Hartree-Fock del tipo de capa cerrada dentro de la aproximacion de la teoria de geminales, Fol. Chim. Theor.  Lat. 13 (1985) 111-123 (in Spanish).
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  20. P. Karadakov, The Spin-Projected Hartree-Fock Method: Direct Optimization Schemes and Stability Conditions, Int. J.  Quantum Chem. 30 (1986) 239-264.
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  21. P. Karadakov and O. Castaño, Aromaticity of Annulenes and Annulene Ions with 4l + 2 Electrons from the Viewpoint of the Theory of Hartree-Fock Instabilities, Theor. Chim. Acta 70 (1986) 25-34.
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  22. O. Castaño and P. Karadakov, The Spin-Unrestricted and the Spin-Projected HF Methods: A Comparison Based on the Stability Properties of the Closed-Shell RHF Solutions for Large Cyclic Polyenes, Chem. Phys. Lett. 130 (1986) 123-126.
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  23. P. Karadakov and O. Castaño, Instability of the Closed-Shell Hartree-Fock Solutions in the Framework of the Geminal Approach, Teor. Eksp. Khim. 22 (1986) 394-400 (in Russian).
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  24. P. Karadakov, El metodo Hartree-Fock semi-proyectado: Esquemas de optimizacion directa y condiciones de estabilidad, Fol. Chim. Theor. Lat. 14 (1986) 11-37 (in Spanish).
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  25. P. Karadakov and O. Castaño, A Note on Time-Dependent Variational Principles, Chem. Phys. Lett. 140 (1987) 367-369.
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  26. P. Karadakov, O Castaño and J.-L. Calais, A Simplified Antisymmetrized Product of Geminals Wavefunction for Extended Systems. I. Delocalized Geminals, J. Chem. Phys. 92 (1990) 3021-3026.
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  27. P. Karadakov, O. Castaño and J.-L. Calais, A Simplified Antisymmetrized Product of Geminals Wavefunction for Extended Systems. II. Localized Geminals, J. Chem. Phys. 92 (1990) 3027-3033.
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  28. P. Karadakov, O. Castaño and J.-L. Calais, Una funcion de onda mejorada del tipo de geminales de Fock para el caso de systemas con estructra periodica. Un analisis critico, Fol. Chim. Theor. Lat. 18 (1990) 27-39 (in Spanish).
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  29. P. Karadakov and O. Castaño, Hamiltonian and Overlap Matrix Elements between Half-Projected DODS Slater Determinants, Teor. Eksp. Khim. 26 (1990) 525-536 (in Russian).
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  30. O. Castaño and P. Karadakov, Comments on the paper "On different types of states in a unidimensional system of electrons using the unrestricted Hartree-Fock method" by A. E. Belinsky, A. I. Chugreev and I. A. Misurkin, Teor. Eksp. Khim. 27 (1991) 517 (in Russian).
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  31. P. Karadakov, J.-L. Calais and J. Delhalle, A Localized-Basis Monoexcited Configuration Interaction Technique for Extended Systems, J. Chem. Phys. 94 (1991) 8520-8528.
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  32. E. C. Gravett, J. A. K. Howard, K. Mackenzie, L. Shi-Xiong, and P. B. Karadakov, The Unusual Reaction of Tetrachlorothiophene Dioxide with an Adduct of 5,6-Bismethylenenorbornene and Hexachloronorbornadiene, J. Chem. Soc. Chem. Commun. (1991) 1763-1765.
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  33. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, Core-Valence Separation in the Spin-Coupled Wavefunction: A Fully Variational Treatment Based on a Second-Order Constrained Optimization Procedure, J. Chem. Phys. 97 (1992) 7637-7655.
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  34. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, Bent versus s-p Bonds in Ethene and Ethyne: The Spin-Coupled Point of View, J. Am. Chem. Soc. 115 (1993) 6863-6869.
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  35. P. B. Karadakov, J. Gerratt, G. Raos, D. L. Cooper and M. Raimondi, The Lowest Singlet and Triplet States of o -Benzyne: Spin-Coupled Interpretation of the Electronic Structure at CAS SCF Equilibrium Geometries, Isr. J. Chem. 33 (1993) 253-264.
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  36. E. C. Gravett, J. A. K. Howard, K. Mackenzie, L. Shi-Xiong, and P. B. Karadakov, Sequential Cycloaddition-Cycloreversion-Cycloaddition-Cope Rearrangement with an Annelated Norbornadiene and Electrophilic Dienes. Unusual [p2s + p2a + s2a] Transformation of a Pentacyclo-[11.4.0.1 7,10.0 4,13.0 6,11] octadeca-3,8,14,17-tetraene, Tetrahedron 49 (1993) 4699-4710.
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  37. P. B. Karadakov, J. Gerratt, G. Raos, D. L. Cooper and M. Raimondi, Spin-Coupled Study of the Electronic Structure of Polyenyl Radicals: C3H5-C9H11, J. Am. Chem. Soc. 116 (1994) 2075-2084.
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  38. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, Spin-Coupled Description of Organic Reaction Pathways: The Cycloaddition Reaction of Two Ethene Molecules, J. Chem. Soc. Faraday Trans. 90 (1994) 1643-1651.
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  39. D. L. Cooper, T. P. Cunningham, J. Gerratt, P. B. Karadakov and M. Raimondi, Chemical Bonding to Hypercoordinate Second-Row Atoms: d Orbital Participation Versus Democracy, J. Am. Chem. Soc. 116 (1994) 4414-4426.
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  40. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, The Nature of the Carbon-Carbon Bonds in Cyclopropane and Cyclobutane: A Comparison Based on Spin-Coupled Theory, J. Am. Chem. Soc. 116 (1994) 7714-7721.
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  41. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, SPINS: A Program for Symbolic Generation and Transformation of Spin Eigenfunctions, Theor. Chim. Acta 90 (1995) 51-73.
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  42. P. C. H. Mitchell, G. Raos, P. B. Karadakov, J. Gerratt and D. L. Cooper, Catalytic Chemistry of Furan and Thiophene. Ab Initio Calculations using the Spin-Coupled Valence Bond Method of the Interaction between Furan and Thiophene and a Positively-Charged Centre, J. Chem. Soc. Faraday Trans. 91 (1995) 749-758.
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  43. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, Modern Valence-Bond Description of Bonding in Strained Three-Membered Rings: Cyclopropane, Aziridine, Ethylene Oxide, Phosphirane and Thiirane, J. Mol. Struc. THEOCHEM 341 (1995) 13-24.
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  44. P. B. Karadakov, J. Gerratt, D. L. Cooper and M. Raimondi, The Electronic Structure of Cyclooctatetraene and the Modern Valence-Bond Understanding of Antiaromaticity, J. Phys. Chem. 99 (1995) 10186-10195.
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  45. D. R. Alleres, D. L. Cooper, T. P. Cunningham, J. Gerratt, P. B. Karadakov and M. Raimondi, On the Bonding in YXXY Dihalides and Dihydrates of Dioxygen and Disulfur, J. Chem. Soc. Faraday Trans. 91 (1995) 3357-3362.
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  46. D. L. Cooper, J. Gerratt, P. B. Karadakov and M. Raimondi, Modern Valence Bond Description of (CH3)4Li4, J. Chem. Soc. Faraday Trans. 91 (1995) 3363-3365.
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  47. B. Petch, D. L. Cooper, J. Gerratt, P. B. Karadakov and M. Raimondi, Modern Valence Bond Description of the Ground State of Li2-, J. Chem. Soc. Faraday Trans. 91 (1995) 3751-3754.
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  48. G. Raos, J. Gerratt, P. B. Karadakov, D. L. Cooper and M. Raimondi, Aromatic Electrophilic Substitution: A Modern Valence Bond Study, J. Chem. Soc. Faraday Trans. 91 (1995) 4011-4030.
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  49. T. Thorsteinsson, D. L. Cooper, J. Gerratt, P. B. Karadakov and M. Raimondi, Modern Valence Bond Representations of CAS SCF Wavefunctions, Theor. Chim. Acta 93 (1996) 343-366.
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  50. S. J. McNicholas, J. Gerratt, P. B. Karadakov, M. Sironi, M. Raimondi and D. L. Cooper, The Extraordinary Electronic Structure of S2N2, J. Am. Chem. Soc. 118 (1996) 6472-6476.
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  51. T. P. Cunningham, D. L. Cooper, J. Gerratt, P. B. Karadakov and M. Raimondi, Chemical Bonding in Oxohalides of Hypercoordinate Nitrogen and Phosphorus, Int. J. Quantum Chem. 60 (1996) 393-400.
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  52. P. B. Karadakov, J. Gerratt, D. L. Cooper, M. Raimondi and M. Sironi, Modern Valence-Bond Description of the Electronic Structure of Benzocyclobutadiene, Int. J. Quantum Chem. 60 (1996) 545-552.
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  53. J. M. Oliva, J. Gerratt, D. L. Cooper, P. B. Karadakov and M. Raimondi, Study of the Electronic States of the Allyl Radical using Spin-Coupled Valence Bond Theory, J. Chem. Phys. 106 (1997) 3663-3672.
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  54. P. B. Karadakov, M. Ellis, J. Gerratt, D. L. Cooper and M. Raimondi, The Electronic Structure of Borabenzene: Combination of an Aromatic p-Sextet and a Reactive s-Framework, Int. J. Quantum Chem. 63 (1997) 441-449.
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  55. G. Raos, L. Astorri, M. Raimondi, D. L. Cooper, J. Gerratt and P. B. Karadakov, Spin-Coupled Valence Bond Study of the Reaction between Benzene and a Methyl Cation, J. Phys. Chem. A101 (1997) 2886-2892.
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  56. J. Gerratt, D. L. Cooper, P. B. Karadakov and M. Raimondi, Modern Valence Bond Theory, Chem. Soc. Rev. 26 (1997) 87-100.
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  57. T. P. Cunningham, D. L. Cooper, J. Gerratt, P. B. Karadakov and M. Raimondi, Chemical Bonding in Oxofluorides of Hypercoordinate Sulfur, J. Chem. Soc. Faraday Trans. 93 (1997) 2247-2254.
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  58. J. Gerratt, D. L. Cooper, P. B. Karadakov and M. Raimondi, Spin-Coupled Theory, in The Encyclopedia of Computational Chemistry, Ed. P. v. R. Schleyer, Wiley, 1998, 2672-2688.
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  59. G. Raos, S J. McNicholas, J. Gerratt, D. L. Cooper and P. B. Karadakov, Antiferromagnetic Spin Couplings in Cyclobutadiene Chains, J. Phys. Chem. 101 (1997) 6688-6691.
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  60. J. M. Oliva, J. Gerratt, P. B. Karadakov and D. L. Cooper, Conrotatory and Disrotatory Pathways in the Electrocyclic Isomerization of Cyclobutene to cis-Butadiene: The Spin-Coupled Viewpoint, J. Chem. Phys. 107 (1997) 8917-8826.
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  61. P. B. Karadakov, D. L. Cooper and J. Gerratt, Modern Valence-Bond Description of Chemical Reaction Mechanisms: Diels-Alder Reaction, J. Am. Chem. Soc. 120 (1998) 3975-3981.
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  62. M. Raimondi, M. Sironi, J. Gerratt, D. L. Cooper and P. B. Karadakov, Spin-Coupled Description of Fluorocyclophosphazenes: (NPF2)3, (NPF2)4, (NPF2)5, J. Chem. Soc. Faraday Trans. 94 (1998) 1541-1546.
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  63. P. B. Karadakov, New Trends in Ab Initio Valence Bond Theory, Ann. Rep. Prog. Chem., Sect. C 94 (1998) 3-48.
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  64. P. B. Karadakov, D. L. Cooper and J. Gerratt, Modern Valence-Bond Description of Chemical Reaction Mechanisms: The 1,3-Dipolar Addition of Fulminic Acid to Ethyne, Theor. Chem. Acc. 100 (1998) 222-229.
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  65. B. Friis-Jensen, D. L. Cooper, S. Rettrup, and P. B. Karadakov, Spin-Coupled Calculations on Phenylenedimethylidene, J. Chem. Soc. Faraday Trans. 94 (1998) 3301-3306.
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  66. P. B. Karadakov, G. A. Webb and J. A. England, The Effect of Electron Correlation on the 19F Chemical Shifts in Fluorobenzenes, ACS Symp. Series 732 (1999) 115-125.
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  67. F. Ogliaro, D. L. Cooper, and P. B. Karadakov, Bent Bond vs Separated Bond Models: A Spin-Coupled Survey for a few Organic and Inorganic Systems, Int. J. Quantum Chem., 74 (1999) 223-229.
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  68. P. B. Karadakov and K. Morokuma, ONIOM as an Efficient Tool for Calculating NMR Chemical Shielding Constants in Large Molecules, Chem. Phys. Lett. 317 (2000) 589-596.
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  69. P. B. Karadakov, D. L. Cooper, T. Thorsteinsson and J. Gerratt, Modern Valence-Bond Description of the Mechanisms of Six-Electron Pericyclic Reactions, in Quantum Systems in Chemistry and Physics. Volume 1: Basic Problems and Models Systems, ed. A. Hernández-Laguna, J. Maruani, R. McWeeny and S. Wilson (Kluwer, Dordrecht, 2000) 327-344.
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  70. G. A. Webb, P. B. Karadakov and J. A. England, Electron Correlation Effects on Geometries and 19F Chemical Shifts in Fluorobenzenes, Bull. Pol. Ac. Sci. Chem. 48 (2000) 101-112. ---
  71. F. Ogliaro, S. D. Loades, D. L. Cooper and P. B. Karadakov, Spin-Coupled Model of the Bonding in First-Row Transition Metal Methylene Monocations, J. Phys. Chem. A 104 (2000) 7091-7098.
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  72. J. J. Blavins, P. B. Karadakov and D. L. Cooper, Modern Valence-Bond Description of Chemical Reaction Mechanisms: The 1,3-Dipolar Addition of Diazomethane to Ethene, J. Org. Chem. 66 (2001) 4285-4292.
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  73. A. Famulari, G. Calderoni, F. Moroni, M. Raimondi and P. B. Karadakov, Application of the DIIS Technique to Improve the Convergence Properties of the SCF-MI Algorithm, J. Mol. Struc. 549 (2001) 95-99.
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  74. D. L. Cooper, N. L. Alan and P. B. Karadakov, Confronting Modern Valence Bond Theory with Momentum-Space Quantum Similarity and with Pair Density Analysis, in The Fundamentals of Molecular Similarity, ed. R. Carbó-Dorca (Kluwer, Dordrecht, 2001) 169-180.
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  75. P. B. Karadakov, Theoretical Description of Reaction Mechanisms: Reaction Pathways and Electronic Structure Rearrangements, Ann. Rep. Prog. Chem., Sect. C 97 (2001) 61-90.
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  76. P.B. Karadakov and D.L. Cooper, Reply to Comment "Electronic Reorganization in 1,3-Dipolar Cycloaddition of Fulminic Acid to Acetylene", J. Phys. Chem. A 105 (2001) 10946.
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  77. F. Ogliaro, S. D. Loades, D. L. Cooper, and P. B. Karadakov, Symmetry-separated (s+p) vs Bent-Bond (W) Models of First-Row Transition Metal Methylene Cations, in New Trends in Quantum Systems in Chemistry and Physics 1 (Kluwer, Dordrecht, 2001) 281-311.
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  78. P. B. Karadakov, Electron Correlation and Basis Set Effects on the 17O and 1H Nuclear Magnetic Shieldings in Water Clusters (H2O)n (n = 2-5), J. Mol. Struc. 602-603 (2002) 293-301.
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  79. D. L. Cooper, P. B. Karadakov and T. Thorsteinsson, Modern Valence Bond Description of Gas-Phase Pericyclic Reactions, in Valence Bond Theory, ed. D. L. Cooper (Elsevier, Amsterdam, 2002) 41-53.
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  80. P. Avalle, R. K. Harris, P. B. Karadakov and P. J. Wilson, Calculations of Magnetic Shielding for the Tin Nucleus in a Series of Tetra-organotin Compounds using Density Functional Theory, Phys. Chem. Chem. Phys. 4 (2002) 5925-5932.
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  81. P. B. Karadakov, Spin Functions, in Handbook of Molecular Physics and Quantum Chemistry, ed. S. Wilson, R. McWeeny, P. Bernath and V. Ortiz (Wiley, Chichester, 2003) Volume 2, Part 1, Chapter 3, 25-32.
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  82. P. B. Karadakov, Spatial Wavefunctions, in Handbook of Molecular Physics and Quantum Chemistry, ed. S. Wilson, R. McWeeny, P. Bernath and V. Ortiz (Wiley, Chichester, 2003) Volume 2, Part 1, Chapter 4, 33-40.
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  83. J. Gerratt, D. L. Cooper, P. B. Karadakov and M. Raimondi, Spin-Coupled Theory, in Handbook of Molecular Physics and Quantum Chemistry, ed. S. Wilson, R. McWeeny, P. Bernath and V. Ortiz (Wiley, Chichester, 2003), Volume 2, Part 2, Chapter 12, 148-168.
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  84. G. A. Rickard, P. B. Karadakov, G. A. Webb and K. Morokuma, Calculation of NMR Chemical Shifts in Carbohydrates with ONIOM: A Study of the Conformers of b-D-Glucopyranose, J. Phys. Chem. A 107 (2003) 292-300.
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  85. J. J. Blavins, P. B. Karadakov and D. L. Cooper, Modern Valence-Bond Description of Chemical Reaction Mechanisms: The 1,3-Dipolar Addition of Methyl Azide to Ethene, J. Phys. Chem. A 107 (2003) 2548-2559.
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  86. J. J. Blavins, D. L. Cooper and P. B. Karadakov, Aromatic versus Diradical Character in the Transition States of the Cope Rearrangements of 1,5-Hexadiene and its Cyano Derivatives, J. Phys. Chem. A 108 (2004) 194-202.
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  87. J. J. Blavins, D. L. Cooper and P. B. Karadakov, Modern Valence Bond Description of the Electronic Mechanisms of SN2 Identity Reactions, J. Phys. Chem. A 108 (2004) 914-920.
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  88. J. J. Blavins, D. L. Cooper and P. B. Karadakov, Spin-Coupled Study of Addition Reactions of Singlet Dihalocarbenes with Ethene, Int. J. Quantum Chem. 98 (2004) 465-472.
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  89. J. J. Blavins, D. L. Cooper and P. B. Karadakov, Spin-Coupled Study of the Electronic Mechanism of the Hetero-Diels-Alder Reaction of Acrolein and Ethene, J. Phys. Chem. 109 (2005) 231-235.
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  90. J. G. Hill, P. B. Karadakov and D. L. Cooper, A Spin-Coupled Study of the Claisen Rearrangement of Allyl Vinyl Ether, Theor. Chem. Acc., 115 (2005) 212-220.
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  91. J. G. Hill, P. B. Karadakov and D. L. Cooper, The Spin-Coupled Picture of Clamped Benzenes, Mol. Phys., 104 (2006) 677-680.
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  92. J. G. Hill, D. L. Cooper and P. B. Karadakov, Modern VB-like Representations of Selected D6h 'Aromatic' Rings, J. Phys. Chem. A 110 (2006) 7913-7917.
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  93. P. B. Karadakov, Ab Initio Calculation of NMR Shielding Constants, in Modern Magnetic Resonance. Part 1: Applications in Chemistry, Biological and Marine Sciences, ed. G. Webb (Springer, Berlin, 2007), 59-66.
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  94. P. B. Karadakov, J. G. Hill and D. L. Cooper, The Unusual Electronic Mechanism of the [1s, 5s] Hydrogen Shift in (Z)-1,3-Pentadiene Predicted by Modern Valence Bond Theory, Faraday Discuss. 135 (2007) 285-297.
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  95. G. A. Richings and P. B. Karadakov, A Variationally Stable Compact Hartree-Fock-Style Wavefunction for a Non-Degenerate First Excited State, Mol. Phys. 105 (2007) 2363-2373.
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  96. V. N. Kozhevnikov, S. Cowling, P. B. Karadakov and D. W. Bruce, Mesomorphic 1,2,4-triazine-4-oxides in the Synthesis of New Heterocyclic Liquid Crystals, J. Mater. Chem. 28 (2008) 1703-1710.
    97. ---
  97. P. B. Karadakov, Advances in Valence Bond Theory, in A Specialist Periodical Report: Chemical Modelling, Applications and Theory. Volume 5, ed. A. Hinchliffe (RSC, Cambridge, 2008), 312-349.
    98. ---
  98. P. B. Karadakov, Ground and Excited State Aromaticity and Antiaromaticity in Benzene and Cyclobutadiene, J. Phys. Chem. A 112 (2008) 7303–-7309.
    99. ---
  99. P. B. Karadakov, Aromaticity and Antiaromaticity in the Low-Lying Electronic States of Cyclooctatetraene, J. Phys. Chem. A 112 (2008) 12707-12713.
    100. ---
  100. J. G. Hill, D. L. Cooper and P. B. Karadakov, The Spin-Coupled Description of Aromaticity in the Retro Diels-Alder Reaction of Norbornene, J. Phys. Chem. A 112 (2008) 12823-12828.
    101. ---
  101. P. B. Karadakov, D. L. Cooper and A. Uhe, Modern Valence Bond Description of the Electronic Mechanism of a [1,3] Sigmatropic Rearrangement Linking Bicyclo[3.2.0]hept-2-ene and Bicyclo[2.2.1]hept-2-ene (Norbornene), Int. J. Quantum Chem. 109 (2009) 1807-1811.
    102. ---
  102. P. B. Karadakov and D. L. Cooper, Comparison between the Performances of the Spin-Projected Hartree-Fock, Generalized Valence-Bond and Spin-Coupled Approaches, Int. J. Quantum Chem. 109 (2009) 2447-2455.
    103. ---
  103. D. L. Cooper and P. B. Karadakov, Spin-Coupled Descriptions of Organic Reactivity, Int. Rev. Phys. Chem. 28 (2009) 169-206.


Computing
  1. P. Karadakov, Hidden Lines in a Disk Directory, Komputer za Vas, 3 (1986) 33-34 (in Bulgarian).
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  2. P. Karadakov, HGR Sector Inversion, Komputer za Vas, 4 (1987) 25-29 (in Bulgarian).
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  3. P. Karadakov, DelDir: Fast Deletion of Directories with their Contents, Komputer za Vas, 7-8 (1989) 47-48 (in Bulgarian).
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  4. P. Karadakov and J. Jordanov, Multi-Edit (A Multi-Function Program Editor), Komputer za Vas, 3-4 (1990) 17-18 (in Bulgarian).
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  5. P. Karadakov and J. Jordanov, Fortran Converter (A Program Macro for Multi-Edit), Komputer za Vas, 9-10 (1989) 37-38 (in Bulgarian).
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  6. P. B. Karadakov, Benchmarking Titan, Broadcast (Univ. of Surrey Comp. Services Newsletter) 15 (1997) 11.
Last updated July 2009