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Title Prof.
Name Lucjan Sobczyk
Sex Male
Position emeritus professor
Phone +48 71 375 7237
E-mail lucjan.sobczyk@chem.uni.wroc.pl
Room 215 (budynek B)
Unit ZB-09 Structure and Molecular Interactions

Scientific career

M.Sc. 1951, Ph.D. 1954, D.Sc. 1962, Prof. 1969

Publications list




 
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Summaric impact factor: 210.01

Number of publications: 141

1. Piecha-Bisiorek Anna, Bator Grażyna , Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Rok Magdalena, Medycki Wojciech, Schneider G. J.
Structure and tunneling splitting spectra of methyl groups of tetramethlpyrazine in complexes with chloranilic and bromanilic acids.
J. Phys. Chem. A., 2014, 118, 7159-7166.
ImpF: 2.78

2. Sobczyk Lucjan, Obrzud Monika, Filarowski Aleksander
H/D isotope effects in hydrogen bonded systems.
Molecules, 2013, 18, 4467-4476.
ImpF: 2.1

3. Sobczyk Lucjan, Pawlukojć Andrzej, Grech Eugeniusz, Huczyński Adam, Brzeziński Bogumił
Extremely different structures and vibrational spectra of tetramethylpyrazine nitrate dihydrate in solid and solutions.
J. Mol. Struct., 2013, 1037, 264-270.
ImpF: 1.6

4. Bator Grażyna , Sobczyk Lucjan, Sawka-Dobrowolska Wanda, Wuttke J., Pawlukojć Andrzej, Grech Eugeniusz, Nowicka-Scheibe J.
Structural, spectroscopic and theoretical studies on 3,4,7,8-tetramethyl-1,10-phenantroline complex with picric acid.
Chem. Phys., 2013, 410, 55-65.
ImpF: 2.03

5. Bator Grażyna , Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Owczarek Magdalena, Pawlukojć Andrzej, Grech Eugeniusz, Nowicka-Scheibe J.
Hydrogen bonded NHO chains formed by chloranilic acid (CLA) with 4,4'-di-t-butyl-2,2'-bipyridyl(dtBBP) in the solid state.
Chem. Phys., 2012, 392, 114-121.
ImpF: 1.96

6. Majewska Paulina, Rospenk Maria, Petrus Rafał, Sobczyk Lucjan, Czarnik-Matusewicz Bogusława, Dąbrowski R.
Study of packing of 4'-butyl-4-isothiocyanatotolane by X-ray diffraction and infrared spectra in polarized light.
Chem. Phys. Lett., 2012, 535, 56-62.
ImpF: 2.15

7. Majewska Paulina, Rospenk Maria, Czarnik-Matusewicz Bogusława, Sobczyk Lucjan
Correlation between structure and shape of the polarized infrared absorption spectra of 4-chloro-2'-hydroxy-4'-alkoxyazobenzenes.
J. Phys. Chem. B., 2011, 115, 2728-2736.
ImpF: 3.7

8. Pawlukojć Andrzej, Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
The structure and vibrational spectra of the 2,5-dimethylpyrazine (2,5-DMP) 1: 1 adduct with 2,5-dichloro-3,6-dihydroxy-p-benzoquinone (CLA).
Chem. Phys., 2011, 380, 34-39.
ImpF: 1.9

9. Bator Grażyna , Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J., Pawlukojć Andrzej, Wuttke J., Baran Jan, Owczarek Magdalena
4,4'-, 5,5'-, and 6,6'-dimethyl-2,2'-bipyridyls: the structures, phase transitions, vibrations, and methyl group tunneling of their complexes with chloranilic acid.
J. Chem. Phys., 2011, 135, 044509, 1-11.
ImpF: 3.33

10. Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J., Pawlukojć Andrzej, Wuttke J.
The (2:1) complex of picric acid with tetramethylpyrazine: the structure, IR spectra and tunnel splitting of methyl groups.
J. Mol. Struct., 2010, 975, 298-302.
ImpF: 1.6

11. Sobczyk Lucjan
The specificity of the [NHN]+ hydrogen bonds in protonated naphthalene proton spongs.
J. Mol. Struct., 2010, 972, 59-63.
ImpF: 1.6

12. Nowicka-Scheibe J., Grech Eugeniusz, Sawka-Dobrowolska Wanda, Bator Grażyna , Pawlukojć Andrzej, Sobczyk Lucjan
Structure and vibrational spectra of squaric acid complexes with 4,4'- and 5,5'-dimethyl-2,2'-bipyridine.
J. Mol. Struct., 2010, 976, 30-35.
ImpF: 1.6

13. Filarowski Aleksander, Koll Aleksander, Sobczyk Lucjan
Intramolecular hydrogen bonding in o-hydroxy aryl Schiff bases.
Curr. Org. Chem., 2009, 13, 172-193.
ImpF: 2.88

14. Majewska Paulina, Rospenk Maria, Czarnik-Matusewicz Bogusława, Sobczyk Lucjan
The role of H-bonded chelate rings in the organization of liquid crystalline 2-hydroxyazobenzenes.
Chem. Phys. Lett., 2009, 473, 75-80.
ImpF: 2.29

15. Filarowski Aleksander, Koll Aleksander, Sobczyk Lucjan
Vibrational spectra of o-hydroxyphenyl Schiff bases and related compounds.
Curr. Org. Chem., 2009, 13, 287-298.
ImpF: 2.88

16. Majewska Paulina, Rospenk Maria, Sobczyk Lucjan
2'-hydroxybenzylideneanilines and 2-hydroxyazobenzenes. The role of intramolecular O–H···N resonance assisted hydrogen bonds.
Pol. J. Chem., 2009, 83, 709-721.
ImpF: 0.52

17. Sobczyk Lucjan, Prager M., Sawka-Dobrowolska Wanda, Bator Grażyna , Pawlukojć Andrzej, Grech Eugeniusz, Van Eijck L., Ivanov A., Rols S., Wuttke J., Unruh T.
The structure of diaminodurene and the dynamics of the methyl groups.
J. Chem. Phys., 2009, 130, 164519, 1-9.
ImpF: 3.09

18. Sobczyk Lucjan, Bator Grażyna , Sawka-Dobrowolska Wanda, Nowicka-Scheibe J., Grech Eugeniusz, Pawlukojć Andrzej
Assembly of protonated tetramethylpyrazine (TMP) in triiodide. Vibrational spectra and DFT simulations.
Pol. J. Chem., 2009, 83, 957-963.
ImpF: 0.52

19. Krawczyk J., Nowina-Konopka M., Janik J. A., Steinsvoll O., Bator Grażyna , Pawlukojć Andrzej, Grech Eugeniusz, Nowicka-Scheibe J., Sobczyk Lucjan
Quasi-elastic neutron scattering (QENS) studies on the 1:1 tetramethylpyrazine-1,2,4,5-tetracyanobenzene complex.
Collect. Czech. Chem. Commun., 2009, 74, 73-84.
ImpF: 0.86

20. Degtyarev A. V., Ryabtsova O. V., Pozharskii Alexander F., Ozeryanskii Valery A., Starikova Z. A., Sobczyk Lucjan, Filarowski Aleksander
2,7-disubstituted proton sponges as borderline systems for investigating barrier-free intramolecular hydrogen bonds. Protonated 2,7-bis(trimethylsilyl)- and 2,7-di(hydroxymethyl)-1,8-bis(dimethylamino)naphthalenes.
Tetrahedron, 2008, 64, 6209-6214.
ImpF: 2.9

21. Majewska Paulina, Rospenk Maria, Czarnik-Matusewicz Bogusława, Kochel Andrzej, Sobczyk Lucjan, Dąbrowski R.
Structure and polarized IR spectra of 4-isothiocyanatophenyl 4-heptylbenzoate (7TPB).
Chem. Phys., 2008, 354, 186-195.
ImpF: 1.96

22. Pawlukojć Andrzej, Sobczyk Lucjan, Prager M., Bator Grażyna , Grech Eugeniusz, Nowicka-Scheibe J.
DFT calculations of 2,6-dimethylpyrazine (26DMP) and its complex with chloranilic acid (CLA): comparison to INS, IR and Raman vibration spectra.
J. Mol. Struct., 2008, 892, 261-267.
ImpF: 1.59

23. Pawlukojć Andrzej, Prager M., Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Ivanov A., Rois S., Grech Eugeniusz, Nowicka-Scheibe J., Unruh T.
The structure, methyl rotation reflected in inelastic and quasielastic neutron scattering and vibrational spectra of 1,2,3,5-tetramethoxybenzene and its 2:1 complex with 1,2,4,5-tetracyanobenzene.
J. Chem. Phys., 2008, 129, 154506, 1-12.
ImpF: 3.15

24. Nowicka-Scheibe J., Grech Eugeniusz, Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan
Structure and vibrational spectra of the 1:1squaric acid (H2SQ) - tetramethylpyrazine (TMP) adduct.
Pol. J. Chem., 2007, 81, 643-652.
ImpF: 0.48

25. Pozharskii Alexander F., Degtyarev A. V., Ryabtsova O. V., Ozeryanskii Valery A., Kletskii M. E., Starikova Z. A., Sobczyk Lucjan, Filarowski Aleksander
2-α-hydroxyalkyl- and 2,7-di(α-hydroxyalkyl)-1,8-bis(dimethylamino)naphthalenes: stabilization of nonconventional in/out conformers of "proton sponges" via N···H-–O intramolecular hydrogen bonding. A remarkable kind of tandem nitrogen inversion.
J. Org. Chem., 2007, 72, 3006-3019.
ImpF: 3.96

26. Prager M., Wischnewski A., Bator Grażyna , Pawlukojć Andrzej, Sobczyk Lucjan
INS spectroscopic study of the 1:1 tetramethylpyrazine (TMP) squaric acid (H2SQ) complex.
Chem. Phys., 2007, 334, 148-153.
ImpF: 1.81

27. Prager M., Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Pawlukojć Andrzej, Grech Eugeniusz, Wischnewski A., Zamponi M.
X-ray diffraction and inelastic neutron scattering study of 2,6-dimethylpyrazine (DMP) chloranilic acid (CLA) complex.
Chem. Phys., 2007, 332, 1-9.
ImpF: 1.81

28. Majewska P., Rospenk Maria, Czarnik-Matusewicz Bogusława, Sobczyk Lucjan
Polarized infrared spectra of liquid crystalline 4-octyloxy-4'-cyanobiphenyl.
Chem. Phys., 2007, 334, 117-127.
ImpF: 1.81

29. Chmielewski Piotr, Ozeryanskii Valery A., Sobczyk Lucjan, Pozharskii Alexander F.
Primary 1H/2H isotope effect in the NMR chemical shift of HClO4 salts of 1,8-bis(dimethylamino)naphthalene derivatives.
J. Phys. Org. Chem., 2007, 20, 643-648.
ImpF: 1.59

30. Bator Grażyna , Sobczyk Lucjan, Pawlukojć Andrzej, Nowicka-Scheibe J., Grech Eugeniusz, Krawczyk J., Nowina-Konopka M., Natkaniec I., Kalinin I. V., Steinsvoll O.
Inelastic and quasielastic neutron scattering and IR and R spectroscopic studies of 1,2,4,5-tetracyanobenzene(TCNB)-1,2,4,5-tetramethylbenzene(durene) complex.
Phase Transitions, 2007, 80, 489-500.
ImpF: 0.87

31. Majewska Paulina, Rospenk Maria, Czarnik-Matusewicz Bogusława, Kochel Andrzej, Sobczyk Lucjan, Dąbrowski R.
X-ray diffraction, DFT theoretical, and IR polarized spectroscopic studies of the crystal-like E-mesophase of 4'-hexyloxy-isothiocyanatotolane (6OTOLT).
Chem. Phys., 2007, 340, 227-236.
ImpF: 1.81

32. Pawlukojć Andrzej, Bator Grażyna , Sobczyk Lucjan
Structure and vibrational spectra of 1,3,5-trimethoxybenzene.
Acta Phys. Pol., A, 2007, 112, Suppl. S-, 171-181.
ImpF: 0.34

33. Pawlukojć Andrzej, Natkaniec I., Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
Low frequency internal modes of 1,2,4,5-tetramethylbenzene, tetramethylpyrazine and tetramethyl-1,4-benzoquinone INS, Raman, infrared and theoretical DFT studies.
Spectrochim. Acta. Part A, 2006, A63, 766-773.
ImpF: 1.27

34. Pająk Joanna, Rospenk Maria, Maes G., Sobczyk Lucjan
Matrix-isolation FT-IR and DFT theoretical studies of the intramolecular hydrogen bonding in Mannich bases.
Chem. Phys., 2006, 320, 229-238.
ImpF: 1.98

35. Ozeryanskii Valery A., Pozharskii Alexander F., Schilf W., Kamieński B., Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Grech Eugeniusz
Novel polyfunctional tautomeric systems containing salicylideneamino and proton sponge moieties.
Eur. J. Org. Chem., 2006, 782-790.
ImpF: 2.77

36. Rospenk Maria, Majewska Paulina, Czarnik-Matusewicz Bogusława, Sobczyk Lucjan
Polarized IR spectra of resonance asisted hydrogen bond (RAHB) in 2-hydroxyazobenzenes.
Chem. Phys., 2006, 326, 458-464.
ImpF: 1.98

37. Pawlukojć Andrzej, Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
X-ray diffraction, inelastic neutron scattering (INS) and infrared (IR) studies on 2:1 hexamethylbenzene (HMB)-tetracyanoethylene (TCNE) compkex.
Chem. Phys., 2006, 327, 311-318.
ImpF: 1.98

38. Sawka-Dobrowolska Wanda, Bator Grażyna , Czarnik-Matusewicz Bogusława, Sobczyk Lucjan, Pawlukojć Andrzej, Grech Eugeniusz, Nowicka-Scheibe J., Rundlöf H.
X-ray and neutron diffraction, IR and INS spectroscopic and DFT theoretical studies on the tetramethylpyrazine-1,2,4,5-tetracyanobenzene complex.
Chem. Phys., 2006, 327, 237-246.
ImpF: 1.98

39. Prager M., Pietraszko Adam, Sobczyk Lucjan, Pawlukojć Andrzej, Grech Eugeniusz, Seydel T., Wischnewski A., Zamponi M.
X-ray diffraction and inelastic neutron scattering study of 1:1 tetramethylpyrazine chloranilic acid complex: temperature, isotope, and pressure effects.
J. Chem. Phys., 2006, 125, 194525, 1-11.
ImpF: 3.17

40. Pozharskii Alexander F., Ryabtsova O. V., Ozeryanskii Valery A., Degtyarev A. V., Starikova Z. A., Sobczyk Lucjan, Filarowski Aleksander
2-α-hydroxybenzhydryl- and 2,7-di(α-hydroxybenzhydryl)-1,8-bis(dimethylamino)naphthalenes: the first examples of stabilization of in/out proton sponge conformers by intramolecular hydrogen bonding. The most flattened amino group ever participating in IHB.
Tetrahedron Lett., 2005, 46, 3973-3976.
ImpF: 2.48

41. Prager M., Pawlukojć Andrzej, Sobczyk Lucjan, Grech Eugeniusz, Grimm H.
Inelastic neutron scattering study of tetramethylpyrazine in the complex with chloranilic acid.
J. Phys. Condens. Matter, 2005, 17, 5725-5739.
ImpF: 2.15

42. Sobczyk Lucjan, Grabowski S. J., Krygowski T. M.
Interrelation between H-bond and Pi-electron delocalization.
Chem. Rev., 2005, 105, 3513-3560.
ImpF: 20.87

43. Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Pawlukojć Andrzej, Ptasiewicz-Bąk H., Rundlöf H., Krawczyk J., Nowina-Konopka M., Jagielski P., Janik J. A., Prager M., Steinsvoll O., Grech Eugeniusz, Nowicka-Scheibe J.
Elastic, quasielastic, and inelastic neutron-scattering studies on the charge-transfer hexamethylbenzene-tetracyanoquinodimethane complex.
J. Chem. Phys., 2005, 123, 124305-124309.
ImpF: 3.14

44. Sawka-Dobrowolska Wanda, Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J., Pawlukojć Andrzej
Structure and vibrational spectra of 1:1 chloranilic acid (CLA) - tetramethylpyrazine (TMP) complex.
Struct. Chem., 2005, 16, 287-293.
ImpF: 1.33

45. Ozeryanskii Valery A., Pozharskii Alexander F., Bieńko Agnieszka, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
[NHN]+ hydrogen bonding in protonated 1,8-bis(dimethylamino)-2,7-dimethoxynaphthalene. X-ray diffraction, infrared, and theoretical ab initio and DFT studies.
J. Phys. Chem. A., 2005, 109, 1637-1642.
ImpF: 2.9

46. Pawlukojć Andrzej, Natkaniec I., Bator Grażyna , Grech Eugeniusz, Sobczyk Lucjan
Inelastic neutron scattering studies on dichloro-1,4-benzoquinones.
Spectrochim. Acta. Part A, 2004, 60, 2875-2882.
ImpF: 1.19

47. Pająk Joanna, Rospenk Maria, Galewski Zbigniew, Sobczyk Lucjan
Structure and liquid crystalline properties of 2-hydroxyazobenzenes. X-ray diffraction, infra-red and DFT theoretical studies.
J. Mol. Struct., 2004, 700, 191-197.
ImpF: 1.2

48. Pawlukojć Andrzej, Natkaniec I., Nowicka-Scheibe J., Grech Eugeniusz, Sobczyk Lucjan
Inelastic neutron scattering (INS) studies on 2,5-dihydroxy-1,4-benzoquinone (DHBQ).
Spectrochim. Acta. Part A, 2003, 59, 537-542.
ImpF: 1.32

49. Pająk Joanna, Rospenk Maria, Sobczyk Lucjan
Liquid crystalline properties and IR spectra of 2'-hydroxy-4'-octyloxyazobenzenes.
Spectrochim. Acta. Part A, 2003, 59, 2131-2140.
ImpF: 1.32

50. Pająk Joanna, Rospenk Maria, Galewski Zbigniew, Sobczyk Lucjan
4-chloro-2'-hydroxy-4'-alkoxyazobenzenes. Intramolecular OH··N hydrogen bonding and liquid crystalline properties.
J. Mol. Liq., 2003, 105, 53-64.
ImpF: 0.7

51. Pawlukojć Andrzej, Natkaniec I., Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz
Inelastic neutron scattering (INS) spectrum of tetracyanoquinodimethane (TCNQ).
Chem. Phys. Lett., 2003, 378, 665-672.
ImpF: 2.44

52. Nowicka-Scheibe J., Grech Eugeniusz, Sośnicki J. G., Głowiak Tadeusz, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Structural studies on (3,4,8,9)-dibenzo-2,7-dioxa-5,10-diaza[4.4.4]propellanes (DDDP).
J. Mol. Struct., 2003, 655, 17-22.
ImpF: 1.02

53. Bieńko Agnieszka, Latajka Zdzisław, Sawka-Dobrowolska Wanda, Sobczyk Lucjan, Ozeryanskii Valery A., Pozharskii Alexander F., Grech Eugeniusz, Nowicka-Scheibe J.
Low barrier hydrogen bond in protonated proton sponge. X-ray diffraction, infrared, and theoretical ab initio and density functional theory studies.
J. Chem. Phys., 2003, 119, 4313-4319.
ImpF: 2.95

54. Pawlukojć Andrzej, Bator Grażyna , Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
Inelastic neutron scattering, Raman, infrared and DFT theoretical studies on chloranilic acid.
J. Phys. Org. Chem., 2003, 16, 709-714.
ImpF: 1.18

55. Nowicka-Scheibe J., Sośnicki J. G., Grech Eugeniusz, Głowiak Tadeusz, Sobczyk Lucjan
On a new unexpected benzoxazino-benzoxazine derivative.
Pol. J. Chem., 2003, 77, 1419-1426.
ImpF: 0.52

56. Majerz Irena, Pawlukojć Andrzej, Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
Dimerization of 1,8-diaminonaphthalene. DFT theoretical, infra-red, Raman and inelastic neutron scattering studies.
Pol. J. Chem., 2002, 76, 409-417.
ImpF: 0.53

57. Ozeryanskii Valery A., Pozharskii Alexander F., Głowiak Tadeusz, Majerz Irena, Sobczyk Lucjan, Grech Eugeniusz, Nowicka-Scheibe J.
X-ray diffraction and IR-spectroscopic studies on protonated 4-amino-1,8-bis(dimethylamino)naphthalene.
J. Mol. Struct., 2002, 607, 1-8.
ImpF: 1.12

58. Pająk Joanna, Rospenk Maria, Ramaekers R., Maes G., Głowiak Tadeusz, Sobczyk Lucjan
DFT theoretical, X-ray diffraction and IR matrix-isolated studies on 4-chloro-2'-hydroxy-4'-ethoxyazobenzene.
Chem. Phys., 2002, 278, 89-100.
ImpF: 2.2

59. Huyskens P. L., Sobczyk Lucjan, Majerz Irena
On a hard/soft hydrogen bond interaction.
J. Mol. Struct., 2002, 615, 61-72.
ImpF: 1.12

60. Pająk Joanna, Galewski Zbigniew, Rospenk Maria, Sobczyk Lucjan
Liquid crystalline properties of and intramolecular hydrogen bonding in 4-methyl-2´-hydroxy-4´alkoxyazobenzenes.
Liquid Cryst., 2001, 28, 1003-1008.
ImpF: 1.97

61. Rospenk Maria, Sobczyk Lucjan, Schah-Mohammedi P., Limbach H. H., Golubev N. S., Melikova S. M.
Dimerization and solvent-assisted proton dislocation in the low-barrier hydrogen bond of a Mannich base: a low-temperature NMR study.
Magn. Reson. Chem., 2001, 39 Special Issue, S, 81-90.
ImpF: 0.9

62. Pawlukojć Andrzej, Natkaniec I., Majerz Irena, Sobczyk Lucjan, Grech Eugeniusz
Inelastic neutron scattering (INS) studies on low frequency vibrations of 1,4-benzoquinone.
Chem. Phys. Lett., 2001, 346, 112-116.
ImpF: 2.36

63. Kuc Teresa, Pawełka Zbigniew, Sobczyk Lucjan
Solvent assisted proton transfer processes in phenol-amine complexes revealed in effective dipole moments.
Phys. Chem., Chem. Phys., 2001, 3, 5201-5207.
ImpF: 1.79

64. Pawlukojć Andrzej, Natkaniec I., Majerz Irena, Sobczyk Lucjan
Inelastic neutron scattering studies on low frequency vibrations of pentachlorophenol.
Spectrochim. Acta. Part A, 2001, 57, 2775-2779.
ImpF: 0.84

65. Pająk Joanna, Rospenk Maria, Głowiak Tadeusz, Sobczyk Lucjan
DFT theoretical, spectroscopic and X-ray diffraction studies on 4-methyl-2'-hydroxy-4'-alkyloxyazobenzenes.
Chem. Phys., 2001, 274, 15-21.
ImpF: 1.96

66. Głowiak Tadeusz, Majerz Irena, Sobczyk Lucjan, Brzeziński Bogumił, Wojciechowski G., Grech Eugeniusz
[OHO]- and+[NHO]- hydrogen bonds in the 2:1 adduct of pentachlorophenol with 7-methyl-1,5,7-triazabicyclo[4.4.0] dec-5-ene[(PCP)2·MTBD].
J. Mol. Struct., 2000, 526, 177-184.
ImpF: 0.85

67. Majerz Irena, Pawlukojć Andrzej, Sobczyk Lucjan, Dziembowska Teresa, Grech Eugeniusz, Szady-Chełmieniecka A.
The infrared, Raman and inelastic neutron scattering studies on 5-nitro-N-salicylideneethylamine.
J. Mol. Struct., 2000, 552, 243-247.
ImpF: 0.85

68. Sobczyk Lucjan, Lis Tadeusz, Olejnik Zofia, Majerz Irena
The OHN hydrogen bonding in the adduct of 2,4-dinitrobenzoic acid with pyridine. Low temperature X-ray diffraction and IR spectroscopic studies.
J. Mol. Struct., 2000, 552, 233-241.
ImpF: 0.85

69. Baran Jan, Pawlukojć Andrzej, Majerz Irena, Malarski Zbigniew, Sobczyk Lucjan, Grech Eugeniusz
Vibrational spectra of the adduct of 1,8-bis(dimethylamino)naphthalene with dichloromaleic acid (DMAN·DCM).
Spectrochim. Acta. Part A, 2000, 56, 1801-1812.
ImpF: 1.02

70. Król Iwona, Rospenk Maria, Sobczyk Lucjan
On the association of aminopyridines.
J. Mol. Struct., 2000, 552, 213-221.
ImpF: 0.85

71. Malarski Zbigniew, Lis Tadeusz, Olejnik Zofia, Grech Eugeniusz, Nowicka-Scheibe J., Majerz Irena, Sobczyk Lucjan
Proton sponge as a deprotonating agent in crystal engineering. Structure and IR spectra of double-deprotonated 1,5-bis(ρ-toluenesulphonamido)-2,4,6,8-tetranitronaphthalene in the DMAN adduct.
J. Mol. Struct., 2000, 552, 249-256.
ImpF: 0.85

72. Sobczyk Lucjan
NMR studies on hydrogen bonding and proton transfer in Mannich bases.
Appl. Magn. Reson., 2000, 18, 47-61.
ImpF: 0.78

73. Kuc Teresa, Pawełka Zbigniew, Sobczyk Lucjan
The complexation and proton transfer equilibria and polarizability of phenol-tributylamine systems.
Phys. Chem., Chem. Phys., 2000, 2, 211-216.
ImpF: 1.65

74. Brzeziński Bogumił, Wojciechowski W., Zundel G., Sobczyk Lucjan, Grech Eugeniusz
Negatively charged hydrogen - bonded chains formed by tetrazole.
J. Mol. Struct., 1999, 508, 175-180.
ImpF: 0.87

75. Grech Eugeniusz, Malarski Zbigniew, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Low-temperature (120 K) structure and vibrational spectrum of protonated proton sponge: the adduct of 1,8-bis(dimethylamino)naphthalene (DMAN) with 4,5-dicyanoimidazole (DCI).
J. Phys. Org. Chem., 1999, 12, 313-318.
ImpF: 1.2

76. Rospenk Maria, Sobczyk Lucjan, Rabold A., Zundel G.
Low temperature studies on ultraviolet and infrared spectra of ortho Mannich bases.
Spectrochim. Acta. Part A, 1999, 55A, 855-860.
ImpF: 1.01

77. Schreiber W. M., Rospenk Maria, Sobczyk Lucjan
A strong effect of hydrogen bonding upon δ(NC3) bands in the IR spectra of trimethylamine.
Chem. Phys. Lett., 1999, 304, 73-78.
ImpF: 2.27

78. Głowiak Tadeusz, Majerz Irena, Malarski Zbigniew, Sobczyk Lucjan, Pozharskii Alexander F., Ozeryanskii Valery A., Grech Eugeniusz
Structure and IR spectroscopic behaviour of 2,7-dichloro-1,8-bis(dimethylamino)naphthalene and its protonated form.
J. Phys. Org. Chem., 1999, 12, 895-900.
ImpF: 1.2

79. Bator Grażyna , Baran Jan, Jakubas Ryszard, Sobczyk Lucjan
The structure and vibrational spectra of some ferroelectric and ferroelastic alkylammonium halogenoantimonates(III) and bismuthates(III). .
J. Mol. Struct., 1998, 450, 89-100.
ImpF: 0.81

80. Głowiak Tadeusz, Grech Eugeniusz, Lis Tadeusz, Nowicka-Scheibe J., Malarski Zbigniew, Sawka-Dobrowolska Wanda, Stefaniak L., Sobczyk Lucjan
The [NHN]- homoconjugated anions. X-ray diffraction, IR and multinuclear MR studies.
J. Mol. Struct., 1998, 448, 121-130.
ImpF: 0.81

81. Jerzykiewicz Lucjan, Malarski Zbigniew, Sobczyk Lucjan, Lis Tadeusz, Grech Eugeniusz
The quasi-symmetric OHN and ODN bridges in the adducts of 3,5-dimethylpyridine with 3,5-dinitrobenzoic acid.
J. Mol. Struct., 1998, 440, 175-185.
ImpF: 0.81

82. Pawlukojć Andrzej, Natkaniec I., Grech Eugeniusz, Baran Jan, Malarski Zbigniew, Sobczyk Lucjan
Incoherent inelastic neutron scattering, Raman and IR absorption studies in 1,8-bis(dimethylamino)naphthalene and its protonated forms.
Spectrochim. Acta. Part A, 1998, A54, 439-448.
ImpF: 0.69

83. Sobczyk Lucjan
X-ray diffraction, IR, UV and NMR studies on proton transfer equilibrating phenol-N-base systems.
Ber. Bunsenges. Phys. Chem., 1998, 102, 377-383.
ImpF: 1.36

84. Majerz Irena, Malarski Zbigniew, Sobczyk Lucjan
Proton transfer and correlations between the C-O, O-H, N-H, and O··· N bond lengths in amine phenolates.
Chem. Phys. Lett., 1997, 274, 361-364.
ImpF: 2.44

85. Brzeziński Bogumił, Grech Eugeniusz, Malarski Zbigniew, Rospenk Maria, Schroeder G., Sobczyk Lucjan
Protonation of very strong bases by phenols in non-aqueous solutions.
J. Chem. Res.(S), 1997, 151-151.
ImpF: 0.67

86. Głowiak Tadeusz, Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
A network of hydrogen bonds in the polyanion of 2-amino-4,5-dicyanoimidazole formed in the 2:1 adduct with 1,8-bis(dimethylamino)naphthalene.
J. Mol. Struct., 1997, 403, 73-82.
ImpF: 0.88

87. Grech Eugeniusz, Malarski Zbigniew, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
The structure and IR spectra of the 1:1 and 1:2 adducts of 1,8-bis (dimethylamino) naphthalene (DMAN) with 4,5-dicyanoimidazole (DCI).
J. Mol. Struct., 1997, 406, 107-117.
ImpF: 0.88

88. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Hydrogen bonds in 4-dihydroxymethylpyridinium with 2,6-dichloro-4-nitrophenolate.
J. Mol. Struct., 1997, 416, 113-120.
ImpF: 0.88

89. Grech Eugeniusz, Malarski Zbigniew, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
[NHN]+ and [OHO]-hydrogen bonding in the adduct of 1,8-bis(dimethylamino)- naphthalene (DMAN) with 1,8-dihydroxy-2,4-dinitronaphthalene.(DHDNN).
J. Mol. Struct., 1997, 416, 227-234.
ImpF: 0.88

90. Grech Eugeniusz, Malarski Zbigniew, Milart P., Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Hydrogen bonds in the adduct of 1,8-bis(N, N-dimethylamino)naphthalene (DMAN) with 4-(p-nitrophenyl)disic acid (NPDA).
J. Mol. Struct., 1997, 436-437, 81-89.
ImpF: 0.88

91. Sobczyk Lucjan, Jakubas Ryszard, Zaleski J.
Self-assembly of Sb(III) and Bi(III) halo-coordinated octahedra in salts of organic cations. Structure, properties and phase transitions.
Pol. J. Chem., 1997, 71, 265-300.
ImpF: 0.47

92. Schreiber V. M., Rospenk Maria, Kulbida A. I., Sobczyk Lucjan
Shaping of broad IR absorption in proton transfer equilibrating OH··· N hydrogen bonded systems.
Spectrochim. Acta. Part A, 1997, A53, 2067-2078.
ImpF: 0.78

93. Rospenk Maria, Koll Aleksander, Sobczyk Lucjan
Proton transfer and secondary deuterium isotope effect in the 13C NMR spectra of ortho-aminomethyl phenols.
Chem. Phys. Lett., 1996, 261, 283-288.
ImpF: 2.59

94. Grech Eugeniusz, Nowicka-Scheibe J., Olejnik Zofia, Lis Tadeusz, Pawełka Zbigniew, Malarski Zbigniew, Sobczyk Lucjan
An IR, NMR, dipole moment and X-ray study on intramolecular O-H··· N hydrogen bonding in 8-hydroxy -N,N-dimethyl-1-naphthylamine.
J. Chem. Soc., Perkin 2, 1996, 343-348.
ImpF: 1.93

95. Schreiber V. M., Kulbida A. I., Rospenk Maria, Sobczyk Lucjan, Rabold A., Zundel G.
Temperature effect on proton-transfer equilibrium and IR spectra of chlorophenol-tributylamine systems.
J. Chem. Soc., Faraday Trans., 1996, 92, 2555-2561.
ImpF: 1.66

96. Głowiak Tadeusz, Grech Eugeniusz, Malarski Zbigniew, Nowicka-Scheibe J., Sobczyk Lucjan
Intramolecular [NHN]+ and [NHN]- hydrogen bonds in the adduct of 1,8-bis(dimethylamino)naphthalene with 1,8-diamino-2,4,5,7-tetranitronaphthalene.
J. Mol. Struct., 1996, 381, 169-175.
ImpF: 0.87

97. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Structure and spectroscopic behaviour of the adduct of 4-N,N-dimethylaminopyridine with 2,6-dichloro-4-nitrophenol.
J. Mol. Struct., 1996, 375, 37-42.
ImpF: 0.87

98. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Structure and spectroscopic behaviour of adduct of 2,6-dichloro-4-nitrophenol with 2,4,6-trimethylpyridine.
Acta Phys. Pol., A, 1995, 88, 349-357.
ImpF: 0.36

99. Rospenk Maria, Koll Aleksander, Sobczyk Lucjan
Deuterium isotope effect on 13C NMR spectra of ortho Mannich bases.
J. Mol. Liq., 1995, 67, 63-69.
ImpF: 1.36

100. Sawka-Dobrowolska Wanda, Grech Eugeniusz, Brzeziński Bogumił, Malarski Zbigniew, Sobczyk Lucjan
NHN+ hydrogen bonding in salts of 1,8-bis(dimethylaminomethyl)naphthalene (DMAMN).
J. Mol. Struct., 1995, 356, 117-124.
ImpF: 0.95

101. Sitkowski J., Stefaniak L., Rospenk Maria, Sobczyk Lucjan, Webb G. A.
Multinuclear, variable-temperature NMR study of hydrogen bonding in two ortho-Mannich bases.
J. Phys. Org. Chem., 1995, 8, 463-467.
ImpF: 0.96

102. Bator Grażyna , Jakubas Ryszard, Baran Jan, Sobczyk Lucjan
Infrared studies of ferroelectric phase transition in [NH2(CH3)2]3Sb2Br9.
Ferroelectrics, 1994, 152, 267-272.
ImpF: 0

103. Brzeziński Bogumił, Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
FTIR studies of proton sponges protonation by mercaptocompounds in acetonitrile.
Pol. J. Chem., 1994, 68, 261-267.
ImpF: 0

104. Brzeziński Bogumił, Grech Eugeniusz, Nowicka-Scheibe J., Głowiak Tadeusz, Malarski Zbigniew, Sobczyk Lucjan
NHN+ and NHN- hydrogen bonds in the adducts of 1,8-bis(dimethylamino) naphthalene with 1,8-bis(trifluoroacetamido)naphthalene and 1,8-bis(4-tolu-enesulphonamido)-2,4,5,7-tetranitronaphthalene.
J. Mol. Struct., 1994, 327, 71-79.
ImpF: 0.84

105. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Zaleski J., Decressain R., Lefebvre J.
Molecular dynamics and phase transitions in tris(dimethylammonium) enneaiododibismuthate(III) as studied by DSC, dilatometric, IR, 1H NMR and dielectric methods.
Phase Transitions, 1994, 46, 258-267.
ImpF: 0.43

106. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of (CH3NH3)3Me2Br9 (Me= Sb,Bi) crystals in the ferroelectric phase transition regions.
Ferroelectrics, 1994, 158, 43-48.
ImpF: 0

107. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
The structure and IR spectrum of the hydrogen-bonded adduct of 2,6-dichloro-4-nitrophenol with 3,4-dimethylpyridine.
J. Mol. Struct., 1994, 319, 1-9.
ImpF: 0.84

108. Sawka-Dobrowolska Wanda, Grech Eugeniusz, Brzeziński Bogumił, Malarski Zbigniew, Sobczyk Lucjan
Crystal and molecular structure and IR spectrum of 1,8-bis(dimethylaminomethyl)naphthalene monoperchlorate.
J. Mol. Struct., 1994, 319, 11-16.
ImpF: 0.84

109. Bator Grażyna , Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of [N(CH3)3H]3Sb2Cl9 in the low temperature region.
Ferroelectrics, 1993, 141, 177-187.
ImpF: 0

110. Brzeziński Bogumił, Głowiak Tadeusz, Grech Eugeniusz, Malarski Zbigniew, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Crystal and molecular structure and IR spectra of the 1 : 1 and 1 : 2 adducts of 1,8-bis(dimethylaminomethyl)naphthalene with picric acid.
J. Mol. Struct., 1993, 299, 1-9.
ImpF: 0.89

111. Denisov G. S., Gindin V. A., Golubev N. S., Koltsov A. I., Smirnov S. N., Rospenk Maria, Koll Aleksander, Sobczyk Lucjan
Pyramidal nitrogen inversion hindered by a strong intramolecular hydrogen bond in 2-diethylaminomethylphenols.
Magn. Reson. Chem., 1993, 31, 1034-1037.
ImpF: 1.04

112. Głowiak Tadeusz, Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
[NHN]+ and [OHO]- hydrogen bridges in the 1:1 adduct of 1,8-bis(dimethylamino)naphthalene with 3,4-furandicarboxylic acid.
J. Mol. Struct., 1993, 295, 105-111.
ImpF: 0.89

113. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Structure and IR spectroscopic behaviour of the adduct of 4-methylpyridine with 2,6-dichloro-4-nitrophenol.
Pol. J. Chem., 1993, 67, 1657-1665.
ImpF: 0

114. Majerz Irena, Sawka-Dobrowolska Wanda, Sobczyk Lucjan
Structure and spectroscopic behaviour of the solid adduct of 3-methylpyridine with 2,6-dichloro-4-nitrophenol.
J. Mol. Struct., 1993, 297, 177-184.
ImpF: 0.89

115. Majerz Irena, Sobczyk Lucjan
UV absorption spectra of pentachlorophenol and amine hydrogen bonded complexes in the solid state.
J. Chim. Phys., 1993, 90, 1657-1666.
ImpF: 0.62

116. Brzeziński Bogumił, Głowiak Tadeusz, Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
Structure and IR spectra of protonated 1,8-bis(dimethylamino)naphthalene proton sponge.
Croat. Chem. Acta, 1992, 65, 101-108.
ImpF: 0.4

117. Brzeziński Bogumił, Schroeder G., Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
Basicity, IR spectra and protonation of some proton sponges in acetonitrile.
J. Mol. Struct., 1992, 274, 75-82.
ImpF: 0.94

118. Czupiński Olaf, Sobczyk Lucjan, Czapla Z.
Phase transitions and properties of mixed RbHSeO4-RbHSO4 crystals.
Ferroelectrics, 1992, 135, 271-275.
ImpF: 0.77

119. Głowiak Tadeusz, Malarski Zbigniew, Sobczyk Lucjan, Grech Eugeniusz
New example of a symmetric NHN hydrogen bond in protonated 1,8-bis(dimethylamino)naphthalene (DMAN).
J. Mol. Struct., 1992, 270, 441-447.
ImpF: 0.94

120. Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
Coupling of ν(NH···N) vibrations with the γ(NH···N) overtone in solid imidazole derivatives.
Spectrochim. Acta. Part A, 1992, 48A, 519-523.
ImpF: 0.81

121. Lefebvre J., Carpentier P., Jakubas Ryszard, Sobczyk Lucjan
The para-ferroelectric phase transitions in (NH3(CH3)5Bi2Cl11. (P.M.A.C.B.).
Phase Transitions, 1991, 33, 31-41.
ImpF: 0.72

122. Brzeziński Bogumił, Grech Eugeniusz, Malarski Zbigniew, Sobczyk Lucjan
Infrared spectra and protonation of 1,8-bis(dimethylamino)naphthalene in acetonitrile.
J. Chem. Soc., Faraday Trans., 1990, 86, 1777-1780.
ImpF: 1.45

123. Galewski Zbigniew, Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in dimethylammonium halogenoantimonates (III).
Acta Phys. Pol., A, 1990, A78, 645-650.
ImpF: 0.34

124. Grech Eugeniusz, Stefaniak L., Ando I., Yoshimizu H., Webb G. A., Sobczyk Lucjan
Some multinuclear NMR solution and solid state studies on 1,8-bis(dimethylamino)naphthalene and its complex with tetrazole.
Bull. Chem. Soc. Jpn., 1990, 63, 2716-2717.
ImpF: 0.82

125. Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in alkylammonium halogenoantimonates and bismuthates.
Phase Transitions, 1990, 20, 163-193.
ImpF: 0.72

126. Jakubas Ryszard, Zaleski J., Sobczyk Lucjan
Phase transitions in (CH3NH3)3Bi2I9 (MAIB).
Ferroelectrics, 1990, 108, 109-114.
ImpF: 0.46

127. Kalenik Jerzy, Majerz Irena, Malarski Zbigniew, Sobczyk Lucjan
Isotopic effect on35CL NQR spectra of pentachlorophnol-amine hydrogen-bonded complexes.
Chem. Phys. Lett., 1990, 165, 15-18.
ImpF: 2.4

128. Kalenik Jerzy, Majerz Irena, Sobczyk Lucjan, Grech Eugeniusz, Habeeb M. M. M.
Infra-red and35Cl nuclear quadrupole resonance studies of hydrogen bonded adducts of 2-chlorobenzoic acid derivatives.
Collect. Czech. Chem. Commun., 1990, 55, 80-90.
ImpF: 0.47

129. Matuszewski J., Jakubas Ryszard, Sobczyk Lucjan, Głowiak Tadeusz
Structure of pentakis(methylammonium) undecabromodibismuthate.
Acta Crystallogr., Sect. C. Cryst. Structure Commun., 1990, C46, 1385-1388.
ImpF: 0.46

130. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan
Succesive phase transitions and ferroelasticity of [(CH3)2NH2]3Bi2I9.
Phase Transitions, 1990, 27, 25-36.
ImpF: 0.72

131. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Properties and structural phase transitions of (CH3NH3)3Sb2I9.
Ferroelectrics, 1990, 103, 83-90.
ImpF: 0.46

132. Zeegers-Huyskens Th., Sobczyk Lucjan
Critical behaviour of strong hydrogen bonds and the isotopic effects.
J. Mol. Liq., 1990, 46, 263-284.
ImpF: 0.63

133. Zeegers-Huyskens Th., Sobczyk Lucjan
Isotopic ratio υHXDX of hydrogen halide complexes in solid argon.
Spectrochim. Acta. Part A, 1990, 46A, 1693-1698.
ImpF: 0.79

134. Jakubas Ryszard, Sobczyk Lucjan
Structure and properties of a novel ferroelectric crystal: (CH3NH3)5Bi2Br11.
Ferroelectrics, 1989, 92, 365-368.
ImpF: 1.62

135. Jakubas Ryszard, Sobczyk Lucjan, Lefebvre J.
A new ferroelectric crystal: (CH3NH3)5Bi2Cl11.
Ferroelectrics, 1989, 100, 143-149.
ImpF: 1.62

136. Jakubas Ryszard, Tomaszewski P. E., Sobczyk Lucjan
Phase transition in (CH3NH3)3Bi2Cl9.
Phys. Status Solidi. A, 1989, 111, K, 27-29.
ImpF: 0.6

137. Kalenik Jerzy, Majerz Irena, Sobczyk Lucjan, Grech Eugeniusz, Habeeb M. M. M.
35Cl nuclear quadrupole resonance and infrared studies of hydrogen-bonded adducts of 2-chloro-4-nitrobenzoic acid.
J. Chem. Soc., Faraday Trans., 1989, 85, 3187-3193.
ImpF: 1.54

138. Rospenk Maria, Koll Aleksander, Głowiak Tadeusz, Sobczyk Lucjan
The hydrogen bond in 2-(N,N-dimethylamino-N-oxymethyl)-4,6-dimethylophenol.
J. Mol. Struct., 1989, 195, 33-41.
ImpF: 0.86

139. Rospenk Maria, Sobczyk Lucjan
1H NMR studies of proton transfer in ortho-Mannich bases.
Magn. Reson. Chem., 1989, 27, 445-450.
ImpF: 1.23

140. Zaleski J., Głowiak Tadeusz, Jakubas Ryszard, Sobczyk Lucjan
Crystal structure and phase transitions of [(C2H5)4N]6Bi8Cl30.
J. Phys. Chem. Solids, 1989, 50, 1265-1269.
ImpF: 0.92

141. Zaleski J., Jakubas Ryszard, Galewski Zbigniew, Sobczyk Lucjan
Structural phase transitions in [(C2H5)4N]3Sb2Br9 and [(C2H5)4N]3Bi2Br9.
Z. Naturforsch., A: Phys. Sci., 1989, 44, 1102-1106.
ImpF: 0.9