List of Publications

 

Book chapter:

R.J.M. Konings, A. Kovács: Thermodynamic properties of the lanthanide(III) halides. Handbook on Physics and Chemistry of Rare Earth, Chapter 213, K. A. Gschneidner, Jr., J.-C. G. Bünzli, V. K. Pecharsky, Eds., Elsevier, Amsterdam, 2003, pp 147-247.

Scientific papers:

1.       A. Kovács, G. Tóth, I. Moldvai, Cs. Szántay: Oxidation of 11-Aminovincamine into a Phenazine Derivative. Journal of Chemical Research (S), (1990) 124-125.

2.       G. Tóth, A. Kovács, M. Balogh, I. Hermecz: Nitrogen Bridgehead Compounds. Part 79. Synthesis and Structure Elucidation of Benzimidazolo[2,1-f](1,6)naphthyridine azaderivatives. Journal of Heterocyclic Chemistry, 28 (1991) 497-501.

3.       G. Doleshall, P. Seres, A. Kovács: Preparation of g-substituted b-oxoesters with a new heterocyclic synthon. Journal of Chemical Research (S), (1991) 27.

4.       Gy. Keglevich, A. Kovács, K. Újszászi, G. Tóth, L. Tőke: The Formation of the Benzo[f]-3-phos-phabicyclo[3.3.0]-oct-6-ene Ring System in the Friedel-Crafts Reaction of the Adducts of 2,5-Di-hydro-1H-phosphole 1-Oxides with Dichlorocarbene. Phosphorus, Sulfur, and Silicon, 63 (1991) 131-141.

5.       G. Tóth, A. Kovács, I. Bitter, H. Duddeck: Condensation of 1,3-dichlorotri-methinecyanines with 1,3- and 1,2-dinucleophiles. Liebigs Annalen der Chemie, (1991) 1215-1219.

6.       Keglevich Gy., Tőke L., Kovács A., Tóth G., Újszászy K.: Foszfortartalmú heterociklusok gyűrűtranszformációi, VIII.  A benzo[f]-3-foszfabiciklo[3.3.0]okt-6-én gyűrűrendszer képződése a 3-foszfolén-1-oxid-diklórkarbén adduktok Friedel-Crafts reakciójában. Magyar Kémiai Folyóirat, 98 (1992) 50-57.

7.       G. Tóth, A. Kovács, Gy. Keglevich, H. Duddeck: Conformational studies of benzophosphabi-cyclooctenes. Magnetic Resonance in Chemistry, 30 (1992) 449-454.

8.       Tóth G., Kovács A., Bitter I., H. Duddeck: 1,3-Diklór-trimetincianinok kondenzációja 1,3- és 1,2-dinukleofilekkel. Magyar Kémiai Folyóirat, 98 (1992) 231-237.

9.       Gy. Keglevich, A. Kovács, K. Újszászi, A. Tungler, G. Tóth, L. Tőke: Facile synthesis of 1,2,3,4,5,6-hexahydrophosphinine 1-oxides by the hydrogenation of 1,2-dihydrophosphinine 1-oxides. Phosphorus, Sulfur, and Silicon, 70 (1992) 219-227.

10.    G. Tóth, A. Kovács, T. Tarnai, A. Tungler: Stereochemistry of the enantioselective reductive alky-lation of proline with ketones. Tetrahedron Asymmetry, 4 (1993) 331-8.

11.    Gy. Keglevich, K. Újszászi, A. Kovács, L. Tőke: A new approach to phosphinines by three-step aromatization of 1-ethoxy-1,2-dihydrophosphinine 1 oxides. Journal of Organic Chemistry, 58 (1993) 977-8.

12.    Gy. Keglevich, L. Tőke, A. Kovács, G. Tóth, K. Újszászi: Convenient Synthesis of 1-Alkoxy-3,5-dimethyl-1,2- and 1,4-Dihydrophosphinine 1-Oxides and 1-Alkoxy-1,2,3,6-tetrahydrophosphinine 1-Oxides by Ring Enlargement. Heteroatom Chemistry, 4 (1993) 61-72.

13.    Keglevich, Gy., Tôke, L., Tungler, A., Kovács, A., Tóth, G., Újszászi, K. Foszfortartalmú hetero-ciklusok gyûrûtranszformációi, IX. 1,2,3,4,5,6-Hexahidrofoszfinin-1-oxidok egyszerû elôállítása 1,2-dihidrofoszfinin-1-oxidok hidrogénezésével. Magyar Kémiai Folyóirat, 99 (1993) 100-6.

14.    Gy. Keglevich, L. Tôke, A. Kovács, K. Újszászi, G. Tóth: Synthesis of phosphinines and its satu-rated derivatives: di-, tetra- and hexahydrophosphinine oxides. Phosphorus, Sulfur, and Silicon, 75 (1993) 115-8.

15.    L. Tőke, Gy. Keglevich, A. Kovács, K. Újszászi, G. Tóth: The stereostructure of benzo[f]-3-phos-phabicyclo-oct-6-ene 3-oxides formed in the Friedel-Crafts reaction of 2,5-dihydro-1H-phosphole 1-oxide-dichlorocarbene adducts. Phosphorus, Sulfur, and Silicon, 77 (1993) 167.

16.    Keglevich Gy., Tôke L., Veress J., Kovács A., Tóth G., Újszászi K.: Foszfortartalmú hetero-ciklusok gyûrûtranszformációi, X. 1-Alkoxi-di- és tetrahidrofoszfinin-1-oxidok kényelmes szintézise gyûrûbôvítéssel. Magyar Kémiai Folyóirat, 99 (1993) 135-146.

17.    Tóth G., Kovács A., Tarnai T., Tungler A.: A prolin ketonokkal történô enantioszelektív reduktív alkilezésének sztereokémiája. Magyar Kémiai Folyóirat, 99 (1993) 242-6.

18.    Gy. Keglevich, A. Kovács, L. Tôke, K. Újszászi, Gy. Argay, M. Czugler, A. Kálmán: P-Substituted 3-phosphabicyclo[3.1.0]hexane 3-oxides from diastereoselective substitution at phosphorus. Heteroatom Chemistry, 4 (1993) 329-335.

19.    T. Nagy, L. Szabó, A. Kovács, G. Tóth, Gy. Kalaus, Cs. Szántay: Synthesis of vinca alkaloids and related compounds LXVII. Structure of a previously described spiro-indolo-quinolizidine derivative. Natural Product Letters, 3 (1993) 257-264.

20.    Keglevich Gy., Tőke L., Újszászi K., Kovács, A.: Foszfortartalmú hetero-ciklusok gyûrûtranszformációi, XI. Foszfininek szintézise 1-etoxi-1,2-dihidrofoszfinin-1-oxidok háromlépéses aromatizálásával. Magyar Kémiai Folyóirat, 99 (1993) 516-9.

21.    G. Makara, Gy. M. Keserű, A. Kovács: On the mechanism of the alkylation of quinoline and naphthyridine carboxylic acids. Journal of the Chemical Society, Perkin Transactions II, (1994) 591-4.

22.    Keglevich Gy., Tőke L., Kovács A., Újszászi K., Argay Gy., Czugler M., Kálmán A.: Foszfortartalmú heterociklusok gyûrûtranszformációi, XII. Foszforatomon helyettesített foszfabiciklo[3.1.0]hexán-származékok elôállítása diasztereoszelektív szubsztitúcióval. Magyar Kémiai Folyóirat, 100 (1994) 270-6.

23.    Gy. Keglevich, A. Kovács, and L. Tôke: 3J(P,C) Couplings in 3-phosphabicyclo[3.1.0]hexane 3-oxides. Acta Chimica Hungarica-Models in Chemistry, 131 (1994) 513-520.

24.    Gy.M. Keserü, M. Nógrádi, A. Kovács, U. Himmelreich: Conformation of 6H,12H,18H-tribenzo[b,f,j] [1,5,9]trithiacyclo-dodecin. Journal of the Chemical Society, Perkin Transactions II, (1995) 935-938.

25.    A. Kovács, R.J.M. Konings, A.S. Booij, and Gy.M. Keserü: The infrared spectrum of BI3(g). Vibrational Spectroscopy, 9 (1995) 209-214.

26.    Szabó M., Kökösi J., Kovács A., Ôrfi L.: Potenciális CCK-antagonista kinazolon-származékok szintézise II. Acta Pharmaceutica Hungarica, 65 (1995) 175-181.

27.    A. Kovács, R.J.M. Konings, and A.S. Booij: High-temperature infrared spectra of rare earth trihalides I. CeCl3, NdCl3, SmCl3, GdCl3, DyCl3. Vibrational Spectroscopy, 10 (1995) 65-70.

28.    L. Tőke, Gy. Keglevich, A. Kovács: 3J(P,C) couplings in 3-phosphabicyclo[3.1.0]hexane 3-oxides. Phosphorus, Sulfur, and Silicon, 111 (1996) 20.

29.    R.J.M. Konings, A.S. Booij, A Kovács, G.V. Girichev, N.I. Giricheva, O.G. Krasnova: The infrared spectrum and molecular structure of gaseous UF4. Journal of Molecular Structure, 378 (1996) 121-131.

30.    Szabó M., Őrfi L., Kökösi J., Hermecz I., Kovács A.: Új kinazolonszármazékok szintézise és ciklizálása [1,4]oxazepino- és [1,4]diazepino[3,4-b] kinazolonokká. Magyar Kémiai Folyóirat, 102 (1996) 343-355.

31.    A. Kovács, A.S. Booij, E.H.P. Cordfunke, A. Kok-Scheele, R.J.M. Konings: On the fusion and vaporization behaviour of UCl3. Journal of Alloys and Compounds, 241 (1996) 95-97.

32.    A. Kovács, I. Kolossváry, G.I. Csonka, I. Hargittai: Theoretical study of intramolecular hydrogen bonding and molecular geometry of 2-trifluoromethylphenol. Journal of Computational Chemistry, 17 (1996) 1804-1819.

33.    A. Kovács, K.-G. Martinsen, R.J.M. Konings: The gas-phase vibrational spectrum and molecular geometry of TeCl4. Journal of the Chemical Society, Dalton Transactions, (1997) 1037-1042.

34.    A. Kovács, A.S. Booij, R.J.M. Konings: High-temperature infrared spectra of  LaCl3, LaBr3 and LaI3. Chemical Physics Letters, 268 (1997) 207-212.

35.    M. Szabó, J. Kökösi, L. Őrfi, A. Kovács, I. Hermecz: Nitrogen bridgehead compounds. Part 88 [1]. Synthesis of 3H,7H-[1,4]diazepino[3,4-b]quinazoline-3,7-diones. Journal of Heterocyclic Chemistry, 34 (1997) 21-25.

36.    A. Kovács, I. Hargittai: Hydrogen-bonding interactions of the trifluoromethyl group: 2-trifluoromethylvinyl alcohol. International Journal of Quantum Chemistry, 62 (1997) 645-652.

37.    I. Macsári, V. Izvekov, A. Kovács: Scaled quantum mechanical study of 2,6-difluorophenol, a fluorine containing weak hydrogen-bonded system. Chemical Physics Letters, 269 (1997) 393-400.

38.    K. Mészáros Szécsényi, V.M. Leovac, E.Z. Ivegeš, L. Arman, A. Kovács, G. Pokol, S. Gál: Transition metal complexes with thiosemicarbazide-based ligands. Part 30. Synthesis, characterization and thermal decomposition of Mo(V,VI) complexes with salicylaldehyde S-methylisothiosemicarbazone. Thermochimica Acta, 291 (1997) 101-108.

39.    A. Kovács, V. Izvekov: FT-IR investigation of N,N-dimethylcarbamyl chloride. Journal of Molecular Structure, 410-411 (1997) 403-406.

40.    A. Kovács, R.J.M. Konings: Vibrational spectra of TeCl4 and TeCl2. Journal of Molecular Structure, 410-411 (1997) 407-410.

41.    A. Kovács, R.J.M. Konings: High-temperature infrared spectra of rare earth trihalides II. Re-interpretation of the infrared spectra of CeCl3, NdCl3, SmCl3, GdCl3, DyCl3 using ab initio molecular orbital calculations. Vibrational Spectroscopy, 15 (1997) 131-135.

42.    A. Kovács, G.I. Csonka: Vibrational analysis of TeCl4. II. A Hartree-Fock, MP2 and density functional study. International Journal of Quantum Chemistry, 65 (1997) 817-826.

43.    M. Szabó, J. Kökösi, A. Kovács, Zs. Böcskei, I. Hermecz: Stereoselective synthesis of 4,5-substituted 2-pyrrolidone derivatives of quinazolin-4(3H)-one. Heterocycles, 45 (1997) 2437-2442.

44.    A. Kovács, K.B. Borisenko, G. Pongor: Investigation of the Density Functional Theory (DFT)-Derived Scaled Quantum Mechanical (SQM) Force Field Method for a Weakly Bonded System: A Priori SQM DFT-Derived Force Field and Vibrational Spectra for N2O4. Chemical Physics Letters, 280 (1997) 451-458.

45.    G. Szász, A. Kovács, I. Hargittai, I. Jeon, G.P. Miller: Molecular structure and molecular vibrations of 1,3,5,7-tetramethyl-2,4,6,8,9,10-hexathiaadamantane. The Journal of Physical Chemistry A, 102 (1998) 484.

46.    A. Kovács: Kvantumkémiai számítások néhány alkalmazása a szerkezetkutatásban. Magyar Kémiai Folyóirat - Kémiai Közlemények, (1) (1998) 41-42.

47.    A. Kovács: Selected applications of quantum chemical calculations in structural chemistry. Magyar Kémiai Folyóirat - Kémiai Közlemények, (1) (1998) 42-43.

48.    A. Kovács, G.I. Csonka, Gy. M. Keserû: Comparison of ab initio and density functional methods for the vibrational analysis of TeCl4. Journal of Computational Chemistry, 19 (1998) 308-318.

49.    I.F. Shishkov, L.V. Vilkov, A. Kovács, I. Hargittai: Molecular geometry of 2-nitrotoluene from gas-phase electron diffraction and quantum chemical study. Journal of Molecular Structure, 445 (1998) 259-268.

50.    A. Kovács, I. Hargittai: Bifurcated Hydrogen Bonding in 2-Trifluoromethylphenol Confirmed by Gas Electron Diffraction. The Journal of Physical Chemistry A, 102 (1998) 3415-3419.

51.    K. Mészáros Szécsényi, V.M. Leovac, E.Z. Iveges, Lj.S. Vojinovic, A. Kovács, G. Pokol, J. Madarász, Z.K. Jacimovic: Transition metal complexes with pyrazole-based ligands. Synthesis, characterization and thermal decomposition of cadmium complexes with 3(5)-amino-5(3)-methylpyrazole. Thermochimica Acta, 316 (1998) 79-85.

52.    R.J.M. Konings, A.S. Booij, A. Kovács: The infrared spectra of SeO2 and TeO2 in the gas phase. Chemical Physics Letters, 292 (1998) 447-453.

53.    A. Kovács, V. Izvekov, G. Keresztury, G. Pongor: Vibrational analysis of 2-nitrophenol. A joint FT-IR, FT-Raman and scaled quantum mechanical study. Chemical Physics, 238 (1998) 231-243.

54.    A. Kovács, I. Hargittai: Hydrogen Bonding in 2-Trifluoromethylresorcinol and 2,6-Bis(trifluoromethyl)-phenol and Its Geometrical Consequences. Journal of Molecular Structure (THEOCHEM), 455 (1998) 229-238.

55.    G. Szász, A. Kovács: Investigation of the DFT-Derived Scaled Quantum Mechanical Method for Cage-Like Systems. The Vibrational Analysis of Adamantane. Molecular Physics, 96 (1999) 161-167. (Abstract)

56.    A. Kovács, G. Frenking: Bonding interactions of a molecular pair of tweezers with transition metals. Theoretical study of bis(h2-alkyne) complexes of copper (I), silver (I) and gold (I). Organometallics, 18 (1999) 887-894. (Abstract)

57.    A. Kovács, I. Macsári, I. Hargittai: Intramolecular hydrogen bonding in fluorophenol derivatives: 2-fluorophenol, 2,6-difluorophenol and 2,3,5,6-tetrafluorohydroquinone. The Journal of Physical Chemistry A, 103 (1999) 3110-3114. (Abstract)

58.    A. Kovács, A. Szabó: Comparison of ab initio and density functional methods for TeF6. Chemical Physics Letters, 305 (1999) 458-464. (Abstract)

59.    A. Kovács: Vibrational analysis of 3-methylpyridine. Journal of Molecular Structure, 482-483 (1999) 397-401.

60.    A. Kovács: Molecular vibrations of rare earths trihalide dimers M2X6 (M=Ce, Dy; X=Br, I). Journal of Molecular Structure, 482-483 (1999) 403-407.

61.    A. Szabó, A. Kovács: Hydrogen bonding and molecular vibrations of 2,5-dihydroxy-1,4-benzoquinone. Journal of Molecular Structure, 510 (1999) 215-225.

62.    K. Mészáros-Szécsényi, E. Z. Iveges, V. M. Leovac, A. Kovács, G. Pokol, Z. K. Jacimovic: Transition metal complexes with pyrazol-based ligands. 7. Zn(II), Co(II), Mn(II) and Cu(II) complexes with 3-amino-5-methylpyrazole. Journal of Thermal Analysis and Calorimetry, 56 (1999) 493-501.

63.    Cs. Várhelyi, J. Zsakó, G. Liptai, A. Dobó, A. Kovács, L. Feldiorean: On the oxime complexes of transition metals. Part CXIV. New mixed sulfito-cobalt(III)-complexes with alicyclic a-dioximes. Periodica Polytechnica Ser. Chem. Eng., 43 (1999) 51-64.

64.    A. Kovács, A. Szabó: Vibrational analysis of perfluoroadamantane. Journal of Molecular Structure, 519 (2000) 13-19.

65.    A. Kovács, G. Keresztury, V. Izvekov: Intramolecular hydrogen bonding in 2-nitrorezorcinol. A combined FT-IR, FT-Raman and computational study. Chemical Physics, 253 (2000) 193-204. (Abstract)

66.    A. Kovács: Theoretical study of rare earth trihalide dimers Ln2X6 (Ln=La, Dy; X=F, Cl, Br, I). Chemical Physics Letters, 319 (2000) 238-246. (Abstract)

67.    A. Kovács, I. Hargittai: Theoretical investigation of the additivity of structural substituent effects in benzene derivatives. Structural Chemistry, 11 (2000) 193-201.

68.    P. Groen, A. Oskam, A. Kovács: Theoretical study of mixed LiCeX4 (X=F, Cl, Br, I) rare earth/alkali halide complexes. Journal of Molecular Structure (Theochem), 531 (2000) 23-31.

69.    P. Groen, A. Oskam, A. Kovács: Theoretical study of mixed LiLnX4 (Ln=La, Dy; X=F, Cl, Br, I) rare earth/alkali halide complexes. Inorganic Chemistry, 39 (2000) 6001-6008. (Abstract)

70.    Cs. Várhelyi Jr., G. Nagy, J. Zsakó, Cs. Várhelyi, A. Kovács, G. Liptai: On the oxime complexes of transition metals. Part CXVIII. Study on the protolytic equilibria in the solutions of mixed chelates of the type [Co(Diox.H)2AB]n with alicyclic a-dioximes. Periodica Polytechnica Ser. Chem. Eng., 44 (2000) 111-122.

71.    K. Mészáros-Szécsényi, V.M. Leovac, Ž.K. Jaćimović, V.I. Češljević, A. Kovács, G. Pokol: Transition metal complexes with pyrazol-based ligands. 8. Characterisation and thermal decomposition of zinc(II) complexes with di- and trisubstituted pyrazoles. Journal of Thermal Analysis and Calorimetry, 63 (2000) 723-732.

72.    A. Kovács, V. Izvekov, K. Zauer, K. Ohta: Strong intramolecular hydrogen bonding and molecular vibrations of 9-hydroxyphenalen-1-one.The Journal of Physical Chemistry A, 105 (2001) 5000-5009. (Abstract)

73.    A. Kovács, G. Frenking: CO labilizing effect of ligands L in [W(CO)5L] (L=C2H2, NCH, N2, C2H4, OH2, SH2, NH3, F-, Cl-, OH-, SH-) and [W(CO)4L]2- (L2-=O2C2H22-, S2C2H22-) and the structure of the 16-electron complexes [W(CO)4L] and [W(CO)3L]2-. A theoretical investigation. Organometallics, 20 (2001) 2510-2524. (Abstract)

74.    A. Szabó, V.I. Češljević, A. Kovács: Tautomerism, hydrogen bonding and vibrational properties of 4-acetyl-3(5)-amino-5(3)-methylpyrazole. Chemical Physics, 270 (2001) 67-78. (Abstract) 

75.    K. Mészáros-Szécsényi, V.M. Leovac, Ž.K. Jaćimović, V.I. Češljević, A. Kovács, G. Pokol: Transition metal complexes with pyrazol-based ligands. Part 12. Characterisation and thermal decomposition of CuCl2 complexes with di- and trisubstituted pyrazoles. Journal of Thermal Analysis and Calorimetry, 66 (2001) 573-581.

76.    A. Kovács: The Chemical Vapor Deposition of Gallium Nitride from the GaCl3+NH3 system. A Theoretical Study of the Structure, Bonding and Thermodynamics of Potential Intermediates Formed in the Gaseous Phase. Inorganic Chemistry, 41 (2002) 3067-3075.

77.    A. Kovács, A. Szabó, D. Nemcsok, I. Hargittai: Blue-shifting C–H…O (X=O, halogen) hydrogen bonds in the dimers of formaldehyde derivatives. The Journal of Physical Chemistry A, 106 (2002) 5671-5678. (Abstract)

78.    A. Kovács, A. Szabó, I. Hargittai: Structural Characteristics of Intramolecular Hydrogen Bonding in Benzene Derivatives. Accounts of Chemical Research, 35 (2002) 887-894. (Abstract)

79.    D.S. Nemcsok, A. Kovács, V.M. Rayón, G. Frenking: Nature of the Transition Metal-(h2-H2) Bond in TM(CO)3X2(h2-H2) (TM = Cr, Mo, W; X = CO, PH3, PCl3, PMe3) Complexes. Organometallics, 21 (2002) 5803-5809. (Abstract)

80.    A. Kovács, R.J.M. Konings: Trimer Formation of AgI. A Gas-Phase FT-IR and Theoretical Study. Journal of Molecular Structure, 643 (2002) 155-160.

81.    A. Kovács: Vibrational analysis of 4-trifluoromethylphenol. Journal of Molecular Structure, 645 (2003) 193-198.

82.    G. Keglevich, J. Kovács, Á. Szöllösy, A. Kovács, A. Szabó, K. Ludányi, I. Kádas, L. Tőke: Unexpected condensation reaction of two units of 1,2-dihydrophosphinine 1-oxides in the presence of tetracyanoethylene. Heteroatom Chemistry, 14 (2003) 29-35.

83.    C.P. Groen, A. Oskam, A. Kovács: Theoretical Study of Mixed MLaX4 (M=Na, K, Cs; X = F, Cl, Br, I) Rare Earth/Alkali Halide Complexes. Inorganic Chemistry, 42 (2003) 851-858.

84.    V. Horváth, A. Kovács, I. Hargittai: Structural aspects of donor-acceptor interactions. The Journal of Physical Chemistry A, 107 (2003) 1197-1202.

85.    T. Pasinszki, B. Havasi, A. Kovács: A mid-infrared and quantum chemical study of the structure, conformation and isomerization of the unstable CH3CH2OCN molecule. The Journal of Physical Chemistry A, 107 (2003) 1720-1726.

86.    A. Kovács, R.J.M. Konings, D.S. Nemcsok: Thermodynamic properties of PaF5 and PaCl5 based on quantum chemical calculations. Journal of Alloys and Compounds, 353 (2003) 128-132.

87.    A. Kovács: Vibrational analysis of 3-trifluoromethylphenol. Journal of Molecular Structure, 650 (2003) 99-104.

88.    A. Szabó, A. Kovács: Structure and Molecular Vibrations of Dimethylglioxime. Journal of Molecular Structure, 651-653 (2003) 615-619.

89.    A. Szabó, A. Kovács: Vibrational analysis of the bis(dimethylglyoximato)nickel(II) complex. Journal of Molecular Structure, 651-653 (2003) 547-553.

90.    M. Lein, A. Szabó, A. Kovács, G. Frenking: Energy decomposition analysis of the chemical bond in main group and transition metal compounds. Faraday Discussions, 124 (2003) 365-378. (Abstract)

91.    K. Mészáros-Szécsényi, V.M. Leovac, V.I. Cešljevic, A. Kovács, G. Pokol, G. Argay, A. Kalman, G.A. Bogdanovic, Ž.K. Jacimovic, A. Spasojevic-de Bire: Reaction of copper(II) with 1-carboxamide-3,5-dimethylpyrazole, 1-carboxamidine-3,5-dimethylpyrazole, 4-acetyl-3-amino-5-methylpyrazole and 5-amino-4-carboxamide-1-phenylpyrazole. Inorganica Chimica Acta, 353 (2003) 253-262.

92.    A. Kovács, R.J.M. Konings: Structure and Vibrations of Lanthanide Trihalides. An Assessment of Experimental and Theoretical Data. Journal of Physical and Chemical Reference Data, 33 (2004) 377-404. (Abstract)

93.    V. Horváth, Z. Varga, A. Kovács: Long-Range Effects in Oligopeptides. A Theoretical Study of the b-Sheet Structure of Glyn (n = 2 - 10). The Journal of Physical Chemistry A, 108 (2004) 6869-6873. (Abstract)

94.    A. Kovács, R.J.M. Konings: Theoretical Study of UX6 and UO2X2 (X = F, Cl, Br, I). Journal of Molecular Structure (Theochem), 684 (2004) 35-42.

95.    B. Nyerges, A. Kovács: Density Functional Study of the Conformational Space of 4C1 D-Glucuronic Acid. The Journal of Physical Chemistry A, 109 (2005) 892-897. (Abstract)

96.    A. Kovács, C. Esterhuysen, G. Frenking: The Nature of the Chemical Bond Revisited: An Energy Partitioning Analysis of Nonpolar Bonds. Chemistry - A European Journal, 11 (2005) 1813-1825. (Abstract)

97.    L. S. Khaikin, O. E. Grikina, N. F. Stepanov, A. Kovács: An analysis of the vibrational spectra of N,N-dimethylformamide isotopomers and unsubstituted N,N-dimethylcarbamoyl chloride with scaling the force field calculated by the MP2 method using a basis set including f functions. Russian Journal of Physical Chemistry, 79 (2005) 959-966.

98.    A. Kovács, D. Nemcsok, G. Pokol, K. Mészáros Szécsényi, V. M. Leovac, Ž. K. Jaćimović, I. R. Evans, J. A. K. Howard, Z. D. Tomić, G. Giester: Structural, spectroscopic and computational studies of the HgL2Cl2 complex (L=3,5-dimethyl-1-thiocarboxamide pyrazole) and the crystal structure of L. New Journal of Chemistry, 29 (2005) 833-840. (Abstract)

99.    A. Szabó, A. Kovács, G. Frenking: Theoretical studies of inorganic compounds. 34. Energy decomposition analysis of E-E bonding in planar and perpendicular X2E-EX2 (E=B, Al, Ga, In, Tl; X=H, F, Cl, Br, I). Zeitschrift für Allgemeine und Anorganische Chemie, 631 (2005) 1803-1809.

100.  L. S. Khaikin, O. E. Grikina, A. Kovács, L. V. Vilkov: The planar equilibrium conformation of N,N-dimethylcarbamoyl chloride according to the electron diffraction, quantum chemistry and vibrational spectroscopy data. Russian Journal of Physical Chemistry, 79 (2005) 1115-1120.

101.  Z. Varga, A. Kovács: Hydrogen bonding in peptide secondary structures. International Journal of Quantum Chemistry, 105 (2005) 302-312. (Abstract)

102.  V. Horváth, Z. Varga, A. Kovács: Substituent effects on long-range interactions in the b-sheet structure of oligopetides. Journal of Molecular Structure (Theochem), 755 (2005) 247-251.

103.  A. Kovács, R.J.M. Konings: A theoretical study of the structure and bonding of UOX4 (X=F, Cl, Br, I) molecules. The importance of inverse trans influence. ChemPhysChem, 7 (2006) 455-462. (Abstract)

104.  A. Kovács, Z. Varga: Halogen acceptors in hydrogen bonding. Coordination Chemistry Reviews, 250 (2006) 710-727. (Abstract)

105.  G. T. de Jong, A. Kovács, F. M. Bickelhaupt: Oxidative addition of hydrogen halides and dihalogens to Pd. Trends in reactivity and relativistic effects. The Journal of Physical Chemistry A, 110 (2006) 7943-7951.

106.  B. Nyulasi, A. Kovács: Theoretical study of F-–(H2)n and Cl-–(H2)n (n = 1-8) anion complexes. Chemical Physics Letters, 426 (2006) 26-29. (Abstract)

107.  D. Nemcsok, A. Kovács, K. Mészáros-Szécsényi, V. M. Leovac: Vibrational spectroscopic and theoretical study of 3,5-dimethyl-1-thiocarboxamide pyrazole (L) and the complexes Co2L2Cl4, Cu2L2Cl4 and Cu2L2Br2. Chemical Physics, 328 (2006) 85-92. (Abstract)

108.  K. Mészáros Szécsényi, V. M. Leovac, A. Kovács, G. Pokol, Z. K. Jacimovic: Transition metal complexes with pyrazole-based ligands. Part 21. Thermal decomposition of copper and cobalt halide complexes with 3,5-dimethyl-1-thiocarboxamidepyrazole. Journal of Thermal Analysis and Calorimetry, 85 (2006) 289-293.

109.  G. Frenking, C. Esterhuysen, A. Kovács: Reply to “Comment on the Comparative Use of the Electron Density and its Laplacian”. Chemistry – A European Journal, 12 (2006) 7773-7774.

110.  V. Horváth, A. Kovács, D.K. Menyhárd: Conformational studies on the prion protein 115-122 fragment. Journal of Molecular Structure (Theochem), 804 (2007) 9-15.

111.  Cs. Várhelyi Jr., A. Kovács, D. Nemcsok, Z. Németh, E. Kuzmann, A. Vértes, K. Vékey, Cs. Várhelyi, Gy. Pokol: Spectroscopic and thermal studies of [Fe(dioximato)2(amine)2] mixed chelates. Journal of Coordination Chemistry, 60 (2007) 379-392.

112.  A. Kovács, K. Mészáros Szécsényi, V.M. Leovac, Z. D. Tomić, G. Pokol: Synthesis under self-controlled reaction conditions: reaction of tetraamminezinc(II) chloride with 3,5-dimethyl-1-thiocarboxamide pyrazole. Journal of Organometallic Chemistry, 692 (2007) 2582-2592.

113.  A. Kovács, V. Izvekov, G. Keresztury, C. J. Nielsen, P. Klæboe: Vibrational spectroscopic study of 2-fluorophenol and 2,3,5,6-tetrafluorohydroquinone. Chemical Physics, 335 (2007) 205-214. (Abstract)

114.  V. M. Leovac, R. Petković, A. Kovács, G. Pokol, K. Mészáros Szécsényi: Reactions of divalent transition metal halides with 3,5-dimethyl-1-hydroxymethylpyrazole. Journal of Thermal Analysis and Calorimetry, 89 (2007) 267-275.

115.  A. Kovács: Theoretical study of the strong intramolecular hydrogen bond and metal-ligand interactions in group 10 (Ni, Pd, Pt) bis(dimethylglyoximato) complexes. Journal of Organometallic Chemistry, 692 (2007) 5383-5389. (Abstract)

116.  A. Kovács, D.S. Nemcsok, Gy. Keglevich: A theoretical study on the mechanism of the Baeyer-Villiger type oxidation of 7-phosphanorbornene 7-oxides. Heteroatom Chemistry, 18 (2007) 759-766.

117.  V.M. Leovac, Z.D.Tomić, A. Kovács, M.D. Joksović, L.S. Jovanović, K. Mészáros Szécsényi: Cobalt(II) Complexes with Disubstituted 3-Aminopyrazole Derivative. Mononuclear Co(II) Complex with In-situ Prepared Formamidine Ligand. Journal of Organometallic Chemistry, 693 (2008) 77-86.

118.  A. Kovács, R.J.M. Konings: Molecular structure and thermodynamic properties of the gaseous ThC2 and ThC4 species. Journal of Nuclear Materials, 372 (2008) 391-393. (Abstract)

119.  A. Kovács, R.J.M. Konings, J. Raab, L. Gagliardi: A theoretical study of AmOn and CmOn (n = 1, 2). Physical Chemistry Chemical Physics, 10 (2008) 1114-1118. (Abstract)

120.  A. Kovács, B. Nyerges, V. Izvekov: Vibrational  analysis  of  N-acetyl-α-d-glucosamine  and  β-d-glucuronic  acid. Journal of Physical Chemistry B, 112 (2008) 5728-5735. (Abstract)

121.  P. Pogány, A. Kovács, K. Mészáros Szécsényi, V. M. Leovac: FT-IR and theoretical study of 3,5-dimethyl-1H-pyrazole-1-carboxamidine (L) and the complexes CoL2(H2O)2(NO3)2 and NiL2(H2O)2(NO3)2. Spectrochimica Acta A, 71 (2008) 1466-1473. (Abstract)

122.  B. Krámos, A. Kovács: Metal-Ligand Interactions in Fe(II)-Dioxime Complexes. Journal of Molecular Structure (Theochem), 867 (2008) 1-4.

123.  Z. Németh, E. Kuzmann, A. Vértes, A. Kovács, Cs. Várhelyi Jr., Cs. Várhelyi: Mössbauer study of [Fe(Dioximato)nL2] mixed coordination compounds. Hyperfine Interactions, 185 (2008) 159-165.

124.  Hargittai M., Kovács A., Nyulászi L., Veszprémi T.: Számítógéppel a periódusos rendszerben. Magyar Kémiai Folyóirat, 114 (2008) 95-101.

125.  I. Hargittai, A. Kovács: The Twentieth Year in Structural Chemistry. Structural Chemistry, 20 (2009) 1-10.

126.  A. Kovács, A. Yu. Ivanov: Vibrational analysis of  a-d-glucose trapped in Ar matrix. Journal of Physical Chemistry B, 113 (2009) 2151-2159.

127.  Cs. Várhelyi jr., A. Kovács, Á. Gömöri, K. Majdik, Cs. Várhelyi, Gy. Pokol: Comparative Spectral and Thermal Studies of some [Pt(DioxH)2] type Chelates. Journal of Coordination Chemistry, 62(15) (2009) 2429–2437. DOI: 10.1080/00958970902852926.

128.  P. Pogány, A. Kovács: Conformational properties of the disaccharide building units of hyaluronan. Carbohydrate Research, 344(13) (2009) 1745-1752.

129.  B. Holló, Z. D. Tomić, P. Pogány, A. Kovács, V. M. Leovac, M. D. Joksović, K. Mészáros Szécsényi: Transition metal complexes with pyrazole-based ligands. Part 28.  Synthesis, structural, DFT and thermal studies of cadmium(II) halides and zinc(II) chloride complexes with 3,5-dimethylpyrazole-1-carboxamidine. Polyhedron,  28(17) (2009) 3881-3889

130.  I. Infante, A. Kovacs, G. La Macchia, A. R. M. Shahi, J. K. Gibson, L. Gagliardi: Ionization energies for the actinide mono- and dioxides series, from Th to Cm: theory versus experiment. J. Phys. Chem. A, 114(19) (2010) 6007-6015.  DOI: 10.1021/jp1016328.

131.  A. Kovács, D. S. Nemcsok, T. Kocsis: Bonding interactions in EDTA complexes. Journal of Molecular Structure (Theochem),  950 (2010) 93-97.

132.  C. P. Groen, A. Kovács: Matrix-isolation FT-IR study of (CsBr)n and (CsI)n (n=1-3). Vibrational Spectroscopy, 54 (2010) 30-34.

133.  P. Pogány, A. Kovács: Theoretical study of hyaluronan oligosaccharides. Structural Chemistry, 21 (2010) 1185–1194.  DOI 10.1007/s11224-010-9658-y

134.  B. Holló, V. M. Leovac, P. Bombicz, A. Kovács, L. S. Jovanović, G. Bogdanović, V. Kojić, V. Divjaković, M. D. Joksović, K. Mészáros Szécsényi: Synthesis, Structural, DFT, and Cytotoxicity Studies of CuII and NiII Complexes with 3-Aminopyrazole Derivatives. Australian Journal of Chemistry, 63 (2010) 1557–1564.

135.  L. S. Khaikin, O. E. Grikina, G. V. Girichev, A. Kovacs, K. P. Dyugaev, A. M. Astachov: The Geometry of the Nitroguanyl Fragment in the Simplest Nitroguanidine Derivatives in the Absence of Intermolecular Interactions: The Gas Electron Diffraction Data on 1,1,3,3-Tetramethyl-2-nitroguanidine. Russian Journal of Physical Chemistry A, 85(3) (2011) 441–446.

136.  B. Averkiev, M. Mantina, R. Valero, I. Infante, A Kovacs, D. G. Truhlar, L. Gagliardi: How accurate are electronic structure methods for actinoid chemistry? Theoretical Chemistry Accounts, 129 (2011) 657-666.

137.  A. Kovács, R.J.M. Konings: Computed vibrational frequencies of actinide oxides AnO0/+/2+ and AnO20/+/2+ (An = Th, Pa, U, Np, Pu, Am, Cm). Journal of Physical Chemistry A, 115(24) (2011) 6646-6656.