Publications of Stepan Sklenak as of October 25, 2023

The publications are downloadable in the pdf formate.

74. Agnieszka Kornas, Edyta Tabor, Dominik K. Wierzbicki, Joanna E. Olszowka, Radim Pilar, Jiri Dedecek, Michal Sliwa, Hana Jirglova, Stepan Sklenak, Dorota Rutkowska-Zbik, Kinga Mlekodaj: "Activation of molecular oxygen over binuclear iron centers in Al-rich *BEA zeolite", Appl. Catal., B, 2023, 336, 122915.


The Cover of our publication 73.

73. Petr Klein, Jiri Dedecek, Haunani M. Thomas, Sarah R. Whittleton, Jiri Klimes, Jiri Brus, Libor Kobera, David L. Bryce, and Stepan Sklenak: "NMR Crystallography of Monovalent Cations in Inorganic Matrices: Na+ Siting and the Local Structure of Na+ Sites in Ferrierites", J. Phys. Chem. C, 2022, 126, 10686-10702.

The Cover of our publication 72.

72.Stepan Sklenak, Thomas Groizard, Hana Jirglova, Petr Sazama, and Jiri Dedecek: "Proximity Effect on the Reactivity of Dioxygen Activated over Distant Binuclear Fe Sites in Zeolite Matrices", J. Phys. Chem. C, 2022, 126, 4854-4861.

71. Libor Kobera, Jiri Dedecek, Petr Klein, Edyta Tabor, Jiri Brus, Anna V. Fishchuk, and Stepan Sklenak: "Formation and local structure of framework Al Lewis sites in beta zeolites", J. Chem. Phys., 2022, 156, 104702.

70. Radim Pilar, Jaroslava Moravkova, Galina Sadovska, Stepan Sklenak, Libor Brabec, Jana Pastvova, Petr Sazama: "Controlling the competitive growth of zeolite phases without using an organic structure-directing agent. Synthesis of Al-rich *BEA", Microporous Mesoporous Mater., 2022, 333, 111726.

69. Kinga Mlekodaj, Mariia Lemishka, Stepan Sklenak, Jiri Dedecek, and Edyta Tabor: "Dioxygen splitting at room temperature over distant binuclear transition metal centers in zeolites for direct oxidation of methane to methanol", Chem. Commun., 2021, 57, 3472-3475.

68. Edyta Tabor, Mariia Lemishka, Joanna E. Olszowka, Kinga Mlekodaj, Jiri Dedecek, Prokopis C. Andrikopoulos, and Stepan Sklenak: "Splitting Dioxygen over Distant Binuclear Fe Sites in Zeolites. Effect of the Local Arrangement and Framework Topology", ACS Catal., 2021, 11, 2340-2355.

67. Jiri Dedecek, Edyta Tabor, Prokopis C. Andrikopoulos, Stepan Sklenak: "Splitting dioxygen over distant binuclear transition metalcationic sites in zeolites. Effect of the transition metal cation", Int. J. Quantum. Chem., 2021, 121, e26611.

66. Edyta Tabor, Jiri Dedecek, Kinga Mlekodaj, Zdenek Sobalik, Prokopis C. Andrikopoulos, Stepan Sklenak: "Dioxygen dissociation over man-made system at room temperature to form the active Alpha-oxygen for methane oxidation", Sci. Adv., 2020, 6: eaaz9776.

65. Petr Sazama, Jaroslava Moravkova, Stepan Sklenak, Alena Vondrova, Edyta Tabor, Galina Sadovska, and Radim Pilar: "Effect of the Nuclearity and Coordination of Cu and Fe Sites in Beta Zeolites on the Oxidation of Hydrocarbon", ACS Catal., 2020, 10, 3984-4002.

64. Edyta Tabor, Mariia Lemishka, Zdenek Sobalik, Kinga Mlekodaj, Prokopis C. Andrikopoulos, Jiri Dedecek, and Stepan Sklenak: "Low-temperature selective oxidation of methane over distant binuclear cationic centers in zeolites", Commun. Chem., 2019, 2: 71.

63. Mariia Lemishka, Jiri Dedecek, Kinga Mlekodaj, Zdenek Sobalik, Stepan Sklenak, Edyta Tabor: "Speciation and siting of divalent transition metal ions in silicon-rich zeolites. An FTIR study", Pure Appl. Chem., 2019, 91, 1721-1732.

The Cover Feature of our publication 62.

62. Jiri Dedecek, Edyta Tabor, and Stepan Sklenak: "Tuning the Aluminum Distribution in Zeolites to Increase their Performance in Acid-Catalyzed Reactions", ChemSusChem, 2019, 12, 556-576. INVITED, This publication is part of a Special Issue focusing on "Celebrating 50 years of the Jerzy Haber Institute of Catalysis and Surface Chemistry of the Polish Academy of Sciences".

61. Kinga Mlekodaj, Jiri Dedecek, Veronika Pashkova, Edyta Tabor, Petr Klein, Martina Urbanova, Robert Karcz, Petr Sazama, Sarah R. Whittleton, Haunani M. Thomas, Anna V. Fishchuk, and Stepan Sklenak: "Al Organization in the SSZ-13 Zeolite. Al Distribution and Extra-Framework Sites of Divalent Cations", J. Phys. Chem. C, 2019, 123, 7968-7987. INVITED, Hans-Joachim Freund and Joachim Sauer Festschrift.

60. Sarah R. Whittleton, Aurelie Vicente, Christian Fernandez, Somayeh F. Rastegar, Anna V. Fishchuk, Stepan Sklenak: "Effect of Ge/Si substitutions on the local geometry of Si framework sites in zeolites: A combined high resolution 29Si MAS NMR and DFT/MM study on zeolite Beta polymorph C (BEC)", Microporous Mesoporous Mater., 2018, 267, 124-133.

59. Jana Pastvova, Radim Pilar, Jaroslava Moravkova, Dalibor Kaucky, Jiri Rathousky, Stepan Sklenak, and Petr Sazama: "Tailoring the structure and acid site accessibility of mordenite zeolite for hydroisomerisation of n-hexane", Appl. Catal., A, 2018, 562, 159-172.

58. Jana Pastvova, Dalibor Kaucky, Jaroslava Moravkova, Jiri Rathousky, Stepan Sklenak, Maryna Vorokhta, Libor Brabec, Radim Pilar, Ivo Jakubec, Edyta Tabor, Petr Klein, and Petr Sazama: "Effect of Enhanced Accessibility of Acid Sites in Micromesoporous Mordenite Zeolites on Hydroisomerization of n-Hexane", ACS Catal., 2017, 7, 5781-5795.

Cover Picture of our publication 57.

57. Robert Karcz, Jiri Dedecek, Barbara Supronowicz, Haunani M. Thomas, Petr Klein, Edyta Tabor, Petr Sazama, Veronika Pashkova, and Stepan Sklenak: "TNU-9 Zeolite: Aluminum Distribution and Extra-Framework Sites of Divalent Cations", Chem. Eur. J., 2017, 23, 8857-8870.

56. Petr Sazama, Dalibor Kaucky, Jaroslava Moravkova, Radim Pilar, Petr Klein, Jana Pastvova, Edyta Tabora, Stepan Sklenak, Ivo Jakubec, Lukasz Mokrzycki: "Superior activity of non-interacting close acidic protons in Al-rich Pt/H-*BEA zeolite in isomerization of n-hexane", Appl. Catal., A, 2017, 533, 28-37.

55. Petr Klein, Veronika Pashkova, Haunani M. Thomas, Sarah R. Whittleton, Jiri Brus, Libor Kobera, Jiri Dedecek, and Stepan Sklenak: "Local Structure of Cationic Sites in Dehydrated Zeolites Inferred from 27Al Magic-Angle Spinning NMR and Density Functional Theory Calculations. A Study on Li-, Na-, and K-Chabazite", J. Phys. Chem. C, 2016, 120, 14216-14225.

54. Petr Sazama, Radim Pilar, Lukasz Mokrzycki, Alena Vondrova, Dalibor Kaucky, Jan Plsek, Stepan Sklenak, Petr Stastny, Petr Klein: "Remarkably enhanced density and specific activity of active sites in Al-rich Cu-, Fe- and Co-beta zeolites for selective catalytic reduction of NOx", Appl. Catal., B, 2016, 189, 65-74.

53. Veronika Pashkova, Stepan Sklenak, Petr Klein, Martina Urbanova, and Jiri Dedecek: "Location of Framework Al Atoms in the Channels of ZSM-5. Effect of the (Hydrothermal) Synthesis", Chem. Eur. J., 2016, 22, 3937-3941.

52. Petr Sazama, Edyta Tabor, Petr Klein, Blanka Wichterlova, Stepan Sklenak, Lukas Mokrzycki, Veronika Pashkkova, Masaru Ogura, Jiri Dedecek: "Al-rich beta zeolites. Distribution of Al atoms in the framework and related protonic and metal-ion species", J. Catal., 2016, 333, 102-114.

51. Petr Sazama, Lukasz Mokrzycki, Blanka Wichterlova, Alena Vondrova, Radim Pilar, Jiri Dedecek, Stepan Sklenak, Edyta Tabor: "Unprecedented propane–SCR-NOx activity over template-free synthesized Al-rich Co-BEA* zeolite", J. Catal., 2015, 332, 201-211.

50. Petr Klein, Jiri Dedecek, Haunani M. Thomas, Sarah R. Whittleton, Veronika Pashkova, Jiri Brus, Libor Kobera, and Stepan Sklenak: "NMR Crystallography of Monovalent Cations in Inorganic Matrixes: Li+ Siting and Local Structure of Li+ Sites in Ferrierites", Chem. Commun., 2015, 51, 8962-8965.

49. Jiri Brus, Libor Kobera, Wolfgang Schoefberger, Martina Urbanova, Petr Klein, Petr Sazama, Edyta Tabor, Stepan Sklenak, Anna V. Fishchuk, and Jiri Dedecek: "Structure of Framework Aluminum Lewis Sites and Perturbed Aluminum Atoms in Zeolites as Determined by 27Al{1H} REDOR (3Q) MAS NMR Spectroscopy and DFT/Molecular Mechanics", Angew. Chem., Int. Ed., 2015, 54, 541-545.

48. Petr Sazama, Blanka Wichterlova, Stepan Sklenak, Vasile I. Parvulescu, Natalia Candu, Galina Sadovska, Jiri Dedecek, Petr Klein, Veronika Pashkova, Petr Stastny: "Acid and redox activity of template-free Al-rich H-BEA* and Fe-BEA* zeolites", J. Catal., 2014, 318, 22-33.

47. Petr Sazama, Blanka Wichterlova, Edyta Tabor, Petr Stastny, Naveen K. Sathu, Zdenek Sobalik, Jiri Dedecek, Stepan Sklenak, Petr Klein, Alena Vondrova: "Tailoring of the structure of Fe-cationic species in Fe-ZSM-5 by distribution of Al atoms in the framework for N2O decomposition and NH3-SCR-NOx", J. Catal., 2014, 312, 123-138.

46. Naveen K. Sathu, Petr Sazama, Edyta Tabor, Stepan Sklenak, Zdenek Sobalik: "Quantitative structural analysis and hydrothermal stability of Fe-ZSM-5: The origin of enhanced selectivity and durability in oxidative dehydrogenation of propane", J. Catal., 2013, 299, 188-203.

45. Stepan Sklenak, Prokopis C. Andrikopoulos, Sarah R. Whittleton, Hana Jirglova, Petr Sazama, Lubomir Benco, Tomas Bucko, Juergen Hafner, and Zdenek Sobalik : "Effect of the Al Siting on the Structure of Co(II) and Cu(II) Cationic Sites in Ferrierite. A Periodic DFT Molecular Dynamics and FTIR Study", J. Phys. Chem. C, 2013, 117, 3958-3968.

44. Prokopis C. Andrikopoulos, Zdenek Sobalik, Jana Novakova, Petr Sazama, Stepan Sklenak: "Mechanism of Framework Oxygen Exchange in Fe-Zeolites: A Combined DFT and Mass Spectrometry Study", ChemPhysChem, 2013, 14, 520-531.

43. Jifeng Wang, Stepan Sklenak, Aizhuo Liu, Krzysztof Felczak, Yan Wu, Yue Li, and Honggao Yan: "Role of Glutamate 64 in the Activation of the Prodrug 5-fluorocytosine by Yeast Cytosine Deaminase", Biochemistry, 2012, 51, 475-486.

42. Petr Sazama, Blanka Wichterlova, Jiri Dedecek, Zdenka Tvaruzkova, Zuzana Musilova, Luisa Palumbo, Stepan Sklenak, Olga Gonsiorova: "FTIR and 27Al MAS NMR analysis of the effect of framework Al- and Si-defects in micro- and micro-mesoporous H-ZSM-5 on conversion of methanol to hydrocarbons", Microporous Mesoporous Mater., 2011, 143, 87-96.

41. Jiri Dedecek, Melissa J. Lucero, Chengbin Li, Fei Gao, Petr Klein, Martina Urbanova, Zdenka Tvaruzkova, Petr Sazama, and Stepan Sklenak: "Complex Analysis of the Aluminum Siting in the Framework of Silicon-Rich Zeolites. A Case Study on Ferrierites", J. Phys. Chem. C, 2011, 115, 11056-11064.

40. Stepan Sklenak, Prokopis C. Andrikopoulos, Bundet Boekfa, Bavornpon Jansang, Jana Novakova, Lubomir Benco, Tomas Bucko, Juergen Hafner, Jiri Dedecek, and Zdenek Sobalik: "N2O decomposition over Fe-zeolites: Structure of the active sites and the origin of the distinct reactivity of Fe-ferrierite, Fe-ZSM-5, and Fe-beta. A combined periodic DFT and multispectral study", J. Catal., 2010, 272, 262-274.

39. Jiri Dedecek, Stepan Sklenak, Chengbin Li, Fei Gao, Jiri Brus, Qingjun Zhu, and Takashi Tatsumi: "Effect of Al/Si Substitutions and Silanol Nests on the Local Geometry of Si and Al Framework Sites in Silicone-Rich Zeolites: A Combined High Resolution 27Al and 29Si NMR and Density Functional Theory/Molecular Mechanics Study", J. Phys. Chem. C, 2009, 113, 14454-14466.

38. Kamil Jisa, Jana Novakova, Michal Schwarze, Alena Vondrova, Stepan Sklenak, and Zdenek Sobalik: "Role of the Fe-zeolite structure and iron state in the N2O decomposition: Comparison of Fe-FER, Fe-BEA, and Fe-MFI catalysts", J. Catal., 2009, 262, 27-34.

37. Jiri Dedecek, Stepan Sklenak, Chengbin Li, Blanka Wichterlova, Vendula Gabova, Jiri Brus, Marek Sierka, and Joachim Sauer: "Effect of Al-Si-Al and Al-Si-Si-Al Pairs in the ZSM-5 Zeolite Framework on the 27Al NMR Spectra. A Combined High-Resolution 27Al NMR and DFT/MM Study", J. Phys. Chem. C, 2009, 113, 1447-1458.

36. Stepan Sklenak, Jiri Dedecek, Chengbin Li, Blanka Wichterlova, Vendula Gabova, Marek Sierka, and Joachim Sauer: "Aluminium siting in the ZSM-5 framework by combination of high resolution 27Al NMR and DFT/MM calculations", Phys. Chem. Chem. Phys., 2009, 11, 1237-1247.

35.Stepan Sklenak, Jiri Dedecek, Chengbin Li, Fei Gao, Bavornpon Jansang, Bundet Boekfa, Blanka Wichterlova, and Joachim Sauer: "Aluminum siting in the ZSM-22 and Theta-1 zeolites revisited: A QM/MM study", Collect. Czech. Chem. Commun., 2008, 73, 909-920.

34. Stepan Sklenak, Jiri Dedecek, Chengbin Li, Blanka Wichterlova, Vendula Gabova, Marek Sierka, and Joachim Sauer: "Aluminum Siting in Silicon-rich Zeolite Frameworks. A Combined High Resolution 27Al NMR and QM/MM Study of ZSM-5", Angew. Chem., Int. Ed., 2007, 46, 7286-7289.

33. Lubomir Benco, Tomas Bucko, Robert Grybos, Juergen Hafner, Zdenek Sobalik, Jiri Dedecek, Stepan Sklenak, and J. Hrusak: "Multiple Adsorption of NO on Fe2+ Cations in the Alpha- and Beta-Positions of Ferrierite: An Experimental and Density Functional Study", J. Phys. Chem. C, 2007, 111, 9393-9402.

32. Kenneth B. Wiberg, Yi-gui Wang, Stepan Sklenak, Carol Deutsch and Gary Trucks: "Permanganate Oxidation of Alkenes. Substituent and Solvent Effects. Difficulties with MP2 Calculations", J. Am. Chem. Soc., 2006, 128, 11537-11544.

31. Stepan Sklenak and Jan Hrusak: "CuNO2 and Cu+NO2 revisited: A comparative ab initio and DFT study", J. Chem. Theory Comput., 2006, 2, 997-1008.

30. Lishan Yao, Stepan Sklenak, Honggao Yan and Robert I. Cukier: "A Molecular Dynamics Exploration of the Catalytic Mechanism of Yeast Cytosine Deaminase", J. Phys. Chem. B, 2005, 109, 7500-7510.

29. Stepan Sklenak, Lishan Yao, Robert I. Cukier and Honggao Yan: "Catalytic Mechanism of Yeast Cytosine Deaminase. An ONIOM Computational Study", J. Am. Chem. Soc., 2004, 126, 14879-14889.

28. J. Robin Fulton, Stepan Sklenak, Marco W. Bouwkamp and Robert G. Bergman: "Investigating the Basicity of a Parent Amidoruthenium Complex: Experimental and Computational Results", J. Am. Chem. Soc., 2002, 124, 4722-4737.

27. Gerhard Maas, Mechthild Alt, Dieter Mayer, Uwe Bergsträßer, Stepan Sklenak, Prince Xavier, Yitzhak Apeloig: "Catalytic and Photochemical Cyclopropanation of Alkenes with Methyl Diazo(trialkylsilyl)acetates: Steric Effects and Thermodynamic Stabilities of Cyclopropanes", Organometallics, 2001, 20, 4607-4615.

26. Henry Castejon, Kenneth B. Wiberg, Stepan Sklenak, Wolfgang Hinz: "Solvent Effects on Methyl Transfer Reactions. 2. The Reaction of Amines with Trimethylsulfonium Salts", J. Am. Chem. Soc., 2001, 123, 6092-6097.

25. Kenneth B. Wiberg, Stepan Sklenak, William F. Bailey: "A Computational Study of 10-X-2 Ate Complexes Derived from Vinyllithiums and Vinyl Halides", Organometallics, 2001, 20, 771-774.

24. Jayanta Kumar Mukhopadhyaya, Stepan Sklenak and Zvi Rappoport: "Cyano-, Nitro- and Alkoxycarbonyl-Activated Observable Stable Enols of Carboxylic Acid Amides", J. Org. Chem., 2000, 65, 6856-6867.

23. Stepan Sklenak, Yitzhak Apeloig, Zvi Rappoport: "Calculated equilibria for simple thioenol/thiocarbonyl pairs. Comparison with the oxygen analogs and with the parent Se and Te systems", J. Chem. Soc. Perkin Trans. 2, 2000, 2269-2279.

22. Yitzhak Apeloig, Stepan Sklenak: "On the Possible Formation of Si=O, Si=S and Si=Se Double Bonds via the Reaction of Silylenes with Oxirane, Thiirane and Selenirane, respectively. An Ab Initio Theoretical Study", Can. J. Chem., 2000, 78, 1496-1510.

21. Jayanta Kumar Mukhopadhyaya, Stepan Sklenak, Zvi Rappoport: "Enols of Carboxylic Acid Amides with b-Electron-Withdrawing Substituents", J. Am. Chem. Soc., 2000, 122, 1325-1336.

20. Kenneth B. Wiberg, Stepan Sklenak, William F. Bailey: "Solvation and Structural Effects on the Stability of 10-X-2 Ate Complexes: A Computational Study", J. Org. Chem., 2000, 65, 2014-2021.

19. Anton Gatial, Stepan Sklenak, Peter Klaeboe, Claus Jorgen Nielsen, Hanno Priebe, Reiner Salzer, Dana Kurkova: "The Vibrational Spectra Including Matrix Isolation, Conformations and ab initio Calculations of 4-Azidobut-1-yne", J. Mol. Struct., 2000, 519, 101-117.

18. Anton Gatial, Stepan Sklenak, V. Milata, Stanislav Biskupic, Reiner Salzer, Dieter Scheller and G. Woelki: "The vibrational and NMR spectra, conformations and ab initio calculations of 1-aminoethylidene propanedinitrile and its N-methyl derivatives", J. Mol. Struct., 1999, 509, 67-92.

17. Uri Zoller, E. Shakkour, Irine Pastersky, Stepan Sklenak, Yitzhak Apeloig:"Polycyclic arene episulfides. Attempted synthesis, molecular orbital calculations and comparison with arene oxides", Tetrahedron, 1998, 54, 14283-14300.

16. Stepan Sklenak, Yitzhak Apeloig, Zvi Rappoport: "Calculated pK(Enol) values for enols of carboxylic acid derivatives HC=C(OH)X (X = OH, NH2, NMe2, OMe, OCHO, F, Cl, Br)", J. Am. Chem. Soc., 1998, 120, 10359-10364.

15. Anton Gatial, Stepan Sklenak, V. Milata, Stanislav Biskupic, L. Zalibera and Reiner Salzer: "The vibrational and NMR spectra, conformations and ab initio calculations of methoxymethylene- and 1-methoxyethylidene- propanedinitrile", J. Mol. Struct., 1997, 410, 435-441.

14. Stepan Sklenak, Anton Gatial, Stanislav Biskupic: "Ab initio study of Small Organic Azides", J. Mol. Struct. (THEOCHEM), 1997, 397, 249-262.

13. Anton Gatial, Stepan Sklenak, Viktor Milata, Peter Klaeboe, Stanislav Biskupic, Dieter Scheller and Jana Juraskova: "The Vibrational Spectra, Conformations and Ab Initio Calculation of Aminomethylene, Propandinitrile and its N-Methyl Derivatives", Struct. Chem., 1996, 7, 17-36.

12. Stepan Sklenak, Stanislav Biskupic, Anton Gatial: "Ab initio study of Methoxy -and (un)Substituted Amino-Methylene-Ethylidene Propandinitriles", ACH Models Chem., 1997, 134, 97-111.

11. Stepan Sklenak, Stanislav Biskupic, Anton Gatial: "Semiempirical study of Methoxy -and (un)Substituted Amino-Methylene-Ethylidene Propandinitriles", ACH Models Chem., 1995, 132, 831-843.

10. Anton Gatial, Stepan Sklenak, Peter Klaeboe, Claus Jorgen Nielsen, Hanno Priebe, Reiner Salzer and Dana Kurkova: "The infrared and Raman spectra, conformations and ab initio calculations of 4-Azidobut-1-ine", J. Mol. Struct., 1995, 349, 149-152.

9. Stepan Sklenak, Stanislav Biskupic, Anton Gatial: "Ab initio Study of 4-Azidobutine", J. Mol. Struct. (THEOCHEM), 1995, 336, 75-79.

8. Stepan Sklenak, Vladimir Kvasnicka, Jiri Pospichal: "Prediction of 13C NMR Chemical Shifts by Neural Networks in a Series of Monosubstituted Benzenes", Chem. Pap., 1994, 48, 135-140.

7. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Neuronove site pro chemii II. Aplikace", Chem. Listy 1993, 87, 157-163.

6. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Neuronove site pro chemii I. Teorie, software, hardware", Chem. Listy 1993, 87, 79-85.

5. Stepan Sklenak, Vladimir Kvasnicka, Jiri Pospichal: "Prediction of regioselectivity of 1,3-dipolar cycloadditions by neural networks", ACH Models Chem. 1993, 130, 103-110.

4. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Application of neural networks with feedback connections in chemistry: prediction of 13C NMR chemical shifts in a series of monosubstituted benzenes", J. Mol. Struct. (THEOCHEM) 1992, 277, 87-107.

3. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Application of Recurent Neural Networks in Chemistry. Prediction and Classification of 13C NMR Chemical Shifts in a Series of Monosubstituted Benzenes", J. Chem. Inf. Comput. Sci. 1992, 32, 742-747.

2. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Application of high-order neural networks in chemistry", Theor. Chim. Acta 1993, 86, 257-267.

1. Vladimir Kvasnicka, Stepan Sklenak, Jiri Pospichal: "Neural Network Classification of Inductive and Resonance Effects of Substituents", J. Am. Chem. Soc. 1993, 115, 1495-1500.