DEEN
Magazine Humboldt Kosmos Newsroom Newsletter

Search

Awards and fellowships Search Humboldtians

Search for tags

Prof. Dr. Jan Janczak

Profile

Academic positionFull Professor
Research fieldsMineralogy, Crystallography,Physical Chemistry of Molecules, Liquids and Interfaces, Biophysical Chemistry
KeywordsCoordination chemistry, Metallophthalocyanines, Supramolecular chemistry, Solid state chemistry, Physical chemistry

Current contact address

CountryPoland
CityWroclaw
InstitutionPolish Academy of Sciences
InstituteInstitute of Low Temperature and Structure Research, Department of Crystallography

Host during sponsorship

Prof. Dr. Peter LugerAbteilung Kristallographie, Freie Universität Berlin, Berlin
Start of initial sponsorship01/07/1996

Programme(s)

1995Humboldt Research Fellowship Programme

Publications (partial selection)

2007Genivaldo J. Perpétuo, Jan Janczak: 2,4,6-triamino-1,3,5-triazine ¿ tris(1H-isoindole-1,3(2H)-dione) co-crystal. In: Acta Crystallographica Section C, 2007, o301-o302
2007Genivaldo J. Perpétuo, Jan Janczak: 2,4-diamino-6-methyl-1,3,5-triazin-1-ium trifluoroacetate. In: Acta Crystallographica Section C, 2007, o271-o273
2007Vasyl Kinzhybalo, Jan Janczak: Aqua magnesium phthalocyanine 3-chloropyridine disolvate. In: Acta Crystallographica Section C, 2007, m357-m360
2007Vasyl Kinzhybalo, Jan Janczak: Aqua(phthalocyaninato)magnesium n-propylamine disolvate. In: Acta Crystallographica Section C, 2007, m105-m107
2007A. Kropidłowska, Jan Janczak, J. Gołaszewska, B. Becker: Chlorido(1-pyrrolidinecarbodithioato-(kappa)2S,S')(triphenylphosphine-(kappa)P)nickel(II) chloroform hemisolvate. In: Acta Crystallographica Section E, 2007, m1947-m1947
2007R.Kubiak, Jan Janczak, M.Śledź,, E.Bukowska: Comparative Study of Beryllium, Magnesium and Zinc Phthalocyanine Complexes with 4-picoline . In: Polyhedron, 2007, 4179-4186
2007Jan Janczak, Genivaldo J. Perpétuo: L-leucinium perchlorate. In: Acta Crystallographica Section C, 2007, o117-o119
2007Jan Janczak, R. Kubiak: Naphtho[2,3-c]1H-pyrrol-1,3(2H)-dione (2,3-naphthalimide). In: Acta Crystallographica Section E, 2007, o2627-o2627
2007S. H. Seda, Jan Janczak, J. Lisowski: Synthesis and structural characterisation of copper(II) 15-metallacrown-5 complexes with Pb(II), Hg(II), Ag(I), Na(I) and Y(III) central metal ions. In: European Journal Inorganic Chemistry, 2007, 3015-3022
2007Marcelo R.L. Oliveira, Genivaldo J.Perpétuo, Jan Janczak, M.M.M. Rubinger: Synthesis, structural and spectroscopic characterization of novel zinc(II) complexes with N-methylsulfonyldithiocarbimato and N-methylsulfonyl-trithiocarbimato ligands . In: Polyhedron, 2007, 163-168
2007Vasyl Kinzhybalo, Jan Janczak: Synthesis, structural investigation and thermal stability of aqua magnesium(II) phthalocyanine adducts with 2-methoxyethylamine. In: Inorganica Chimica Acta, 2007, 3314-3122
2007Vasyl Kinzhybalo, Jan Janczak: Synthesis, structural investigation and thermal stability of aqua magnesium(II)phthalocyanine bis(diethylamine) solvate. In: Journal of the Molecular Structure, 2007, 134-138
2007Jan Janczak, R. Kubiak: Synthesis, thermal stability and structural characterisation of iron(II) phthalocyanine complex with 4-cyanopyridine. In: Polyhedron, 2007, 2997-3002
2007A. Kropidłowska, Jan Janczak, J. Gołaszewska, B. Becker: Tris(1-pyrrolidinylcarbodithioato-S,S¿)-cobalt(III) chloroform disolvate. In: Acta Crystallographica Section E, 2007, m1391-m1392
2006R.Kubiak, M.Śledź, Jan Janczak: Beryllium, magnesium and zinc phthalocyanine complexes with 4-picoline. In: Journal of Porphyrin and Phthalocyanines, 2006, 731-731
2006Jan Janczak, G.J.Perpétuo: Bis{[phthalocyaninato(2-)]arsenic(III)} octaiododiarsenic(III). In: Acta Crystallographica Section C, 2006, m45-m47
2006S.H. Seda, Jan Janczak, J. Lisowski;: New copper(II) complexes of (S)-phenylalanine and 2-picolinehydroxamic acids¿ . In: Inorg. Chim. Acta, 359 (2006) 1055-1063., 2006, 1055-1063
2006G.J.Perpétuo, R.Kubiak, Jan Janczak: Stereochemistry of halogenido derivatives of metallophthalocyanines of the metals of the 15 group . In: Journal of Porphyrin and Phthalocyanines, 2006, 816-816
2006S. H. Seda, Jan Janczak, J. Lisowski: Synthesis and structural characterisation of nickel 15-metallacrown-5 complexes with lanthanide(III) and lead(II) ions. Infuence of the central metal ion size on the spin state of peripheral nickel(II) ions. In: Inorg. Chem. Commun.., 2006, 792-796
2006Jan Janczak, G.J.Perpétuo: Synthesis, Crystal Structure and Charge Transport Properties of One-Electron Oxidised Zirconium Diphthalocyanine, [ZrPc2]IBr2. In: Polyhedron, 2006, 3319-3329
2006Jan Janczak: Synthesis, structural investigation and solid-state properties of partially oxidised zirconium diphthalocyanine . In: Journal of Porphyrin and Phthalocyanines, 2006, 688-688
2006Jan Janczak, G.J.Perpétuo: Tetra[[phthalocyaninato(2-)]antimony(III)} docosaiodohexaantimony(III) complex. In: Acta Crystallographica Section C, 2006, m323-m326
2006G.J.Perpétuo, Jan Janczak: Two crystals of doubly protonated melaminium salts: melaminium bis(trifluoroacetate) trihydrate and melaminium bis(trichloroacetate) dihydrate. In: Acta Crystallographica Section C, 2006, o372-o375
2006M.Mir, Jan Janczak, Y.P.Mascarenhas: X-ray diffraction single-crystal structure characterization of iron ludwigite from room temperature to 15 K. In: J.Appl.Cryst. , 2006, 42-45
2005G.J.Perpétuo, Jan Janczak: Bis{[phthalocyaninato(2-)]antimony(III)} tetradecaiodotetraantimonate(III). In: Acta Crystallographica Section E, 2005, m2003-m2005
2005G.J.Perpétuo, Jan Janczak: Melaminium benzoate dihydrate. In: Acta Crystallographica Section E, 2005, o287-o289
2005Jan Janczak: Melaminium formate. In: Acta Crystallographica Section E , 2005, o1818-o1820
2005G.J.Perpétuo, Jan Janczak: Perazinium nitrate. In: Acta Crystallographica Section E, 2005, o2531-o2533
2005Jan Janczak, R. Kubiak: Synthesis, Structure and Characterisation of two 2-diamino-4,6-R-1,3,5-triazine derivatives (R=3-cyanophenyl and 4-cyanophenyl). In: J. Mol. Struct. , 2005, 74-84
2005G.J.Perpétuo, Jan Janczak: Tetramethylammonium 2,5-dinitrophenolate monohydrate. In: Acta Crystallographica Section C , 2005, o165-o167
2005Jan Janczak, R. Kubiak: Transformation one of two CºN groups of o-dicyanobenzene in presence of cyanoguanidine. Crystal and gas-phase structure of 2-(2¿-cyanophenyl)-4,6-diamino-1,3,5-triazine. In: J. Mol. Struct., 2005, 60-69
2004Jan Janczak: Iodo[phthalocyaninato(2-)]manganese(III) complex bridged by neutral I2 molecule. In: Acta Crystallographica Section C, 2004, m330-m332
2004Jan Janczak, G.J.Perpétuo: Melaminium maleate monohydrate. In: Acta Crystallographica Section C, 2004, o211-o214
2004Jan Janczak, R. Kubiak: Stereochemistry of 4+1 and 4+2 coordinated magnesium phthalocyaninato complexes. Catalytic properties of magnesium phthalocyanine. In: J.Porphyrins Phthalocyanines, 2004, 737-737
2004G.J.Perpétuo, Jan Janczak: p-nitroanilinium nitrate. In: Acta Crystallographica Section C, 2004, o768-o770
2003Jan Janczak, R. Kubiak: 2-(3-pyridyl)-1,3,8-triazanaphthalene - a product of catalytic transformation of 3-cyanopyridine . In: Acta Crystallographica Section C, 2003, o506-o508
2003G.J.Perpétuo, Jan Janczak: Anilinium monohydrogen (dl)-malate. In: Acta Crystallographica Section C , 2003, o709-o711
2003Jan Janczak, G.J.Perpétuo: Bis(melaminium) dl-malate tetrahydrate. In: Acta Crystallographica Section C, 2003, o349-o352
2003Jan Janczak, R. Kubiak: Bis[phthalocyaninato(2-)arsenic(III)] tetradecaiodine tetraarseinc(III) complex. In: Acta Crystallographica Section C, 2003, m70-m72
2003Jan Janczak, M. Śledź, R. Kubiak: Catalytic trimerization of 2- and 4-cyanopyridine isomers to the triazine derivatives in presence of magnesium phthalocyanine . In: J. Mol. Struct, 2003, 71-79
2003M. K. Marchewka, Jan Janczak, S. Dfebrus, J. Baran, H. Ratajczak: Crystal Structure, Vibrational Spectra and Nonlinear Optical Properties of Tetrakis(2,4,6-triamino-1,3,5-triazin-1-ium) Bis(selenate) Trihydrate Crystal . In: Solid State Sciences, 2003, 643-652
2003Jan Janczak, R. Kubiak: From 1,3-dicyanobenzene to 3-cyanobenzamide - its molecular structure in the gas-phase and in the crystal . In: J. Mol. Struct., 2003, 13-21
2003Jan Janczak, R. Kubiak: Sandwich-type niobium(V) diphthalocyaninato complexes `stapled´ by two inter-ligand C-C sigma bonds. Synthesis and structural investigations of two new phthalocyaninato complexes: [NbPc2](IBr2) and [NbPc2](IBr2I2 . In: Polyhedron, 2003, 313-322
2003Jan Janczak, R. Kubiak: Stereochemistry and properties of the M(II)-N(py) coordination bond in the low-spin dipyridinated iron(II) and cobalt(II) phthalocyanines . In: Inorg. Chim. Acta, 2003, 64-76
2003G.J. Perpétuo, M.R.L. Oliveira, Jan Janczak, H.P.Vieira, F. Amaral, V.M. De Belis: Syntheses, crystal structure and spectroscopic characterization of novel N-R- sulfonyldithiocarbimate zinc(II) complexes . In: Polyhedron, 2003, 3355-3362
2003Jan Janczak: Synthesis, Structural Investigation, and Solid-State Properties of Iodine-Doped Zirconium Diphthalocyanine, [ZrPc2]I3.I2 . In: Inorganic Chemistry , 2003, 3549-3558
2003Jan Janczak, I. M. Idemori: Synthesis, crystal structure and characterisation of aquamagnesium phthalocyanine - MgPc(H2O). The origin of an intense near IR absorption of magnesium phthalocyanine known as X-phase . In: Polyhedron, 2003, 1167-1181
2003Jan Janczak, R. Kubiak, M.Śledź, H. Borrmann, Y. Grin: Synthesis, structural investigation and magnetic properties of dipyridinated manganese phthalocyanine, MnPc(py)2 . In: Polyhedron, 2003, 2689-2697
2003G.J.Perpétuo, Jan Janczak: Three-dimensional self-assembly supramolecular structure of hydrogen bonded melaminium citrate . In: Polish Journal of Chemistry, 2003, 1323-1337
2003Jan Janczak, R. Kubiak: Two Isostructural Complexes: Dichloro(phthalocyaninato(2-)tin(IV) and Dichloro(phthalocyaninato(2-)germanium(IV) . In: Acta Crystallographica Section C, 2003, m237-m240
2002G.J.Perpétuo, Jan Janczak: 3-Amino-1,2,4-triazine. In: Acta Crystallographica Section C, 2002, o431-o432
2002Jan Janczak, I. M. Idemori: Aqua(phthalocyaninato)magnesium. In: Acta Crystallographica Section C, 2002, m549-m550
2002Jan Janczak, G.J.Perpétuo: Hexakis(melaminium) hetrakis(dihydrogenphosphate) monohydrogenphosphate tetrahydrate. In: Acta Crystallographica Section C, 2002, o455-o459
2002G.J.Perpétuo, Jan Janczak: Melaminium acetate acetic acid solvate monohydrate. In: Acta Crystallographica Section C, 2002, o112-o114
2002Jan Janczak, G.J.Perpétuo: Melaminium glutarate monohydrate. In: Acta Crystallographica Section C, 2002, o339-o341
2002Jan Janczak, I. M. Idemori: One-Dimensional Assembling of Diiodo [phthalocyaninato(1-)] Chromate(III) Molecules through Neutral I2 Molecules. Alternating Ferro- and Antiferromagnetic Interactions in the Metal-Radical . In: Inorganic Chemistry, 2002, 5059-5056
2002Jan Janczak, R. Kubiak: Synthesis and characterization of dipyridinated magnesium phthalocyaninato(2-) complex . In: Polyhedron, 2002, 265-274
2002M. R. L. Oliveira, H. P. Vieira, G.J.Perpétuo, Jan Janczak, V. M. De Belis: Synthesis, crystal structure and spectroscopic characterization of novel N-R-sulfonyldithiocarbimate and triphenylphosphine nickel(II) complexes . In: Polyhedron, 2002, 2243-2250
2002Jan Janczak, I. M. Idemori: Tetrakis[phthalocyaninato(2-)antimony(III)] hexadecaiodine tetraantimony(III) . In: Acta Crystallographica Section C, 2002, m23-m25
2002Jan Janczak, I. M. Idemori: [Phthalocyaninato(2-)]arsenin(III) triiodide. In: Acta Crystallographica Section E, 2002, m36-m38
2001Jan Janczak, G.J.Perpétuo: Bis(melaminium) sulfate dihydrate. In: Acta Crystallographica Section C, 2001, 1431-1433
2001R. Kubiak, Jan Janczak: Coordination Geometries of Metal Ions in Metallophthalocyaninato complexes. In: Cryst. Res. Technol., 2001, 1095-1104
2001Jan Janczak, I. M. Idemori: Iodo(phthalocyaniato)chromium(III). In: Acta Crystallographica Section C, 2001, 924-925
2001Jan Janczak, G.J.Perpétuo: Melaminium bis(4-hydroxybenzenesulfonate) dihydrate. In: Acta Crystallographica Section C, 2001, 873-875
2001Jan Janczak, G.J.Perpétuo: Melaminium chloride hemiydrate. In: Acta Crystallographica Section C, 2001, 1120-1122
2001Jan Janczak, G.J.Perpétuo: Melaminium phthalate. In: Acta Crystallographica Section C, 2001, 123-125
2001M.Śledź, Jan Janczak, R.Kubiak: New crystalline modification of terephthalic acid. In: J.Mol.Struct. , 2001, 77-82
2001Jan Janczak, R.Kubiak: Phthalocyaninato(2-)antimony(III) chloride. In: Acta Crystallographica Section C, 2001, 55-57
2001J.Baran, A.J.Barnes, Jan Janczak, H.Ratajczak: Structural and vibrational studies of the molecular crystals formed by 2,6-di-phenyl-4-(2,4,6-triphenyl-1-pyridino) phenolate with nitic and sulphuric acids. In: J.Mol.Struct., 2001, 117-126
2001Jan Janczak, I. M. Idemori: Synthesis, characterization and structural investigations of iodine-doped indium(III) and zirconium(IV) diphthalocyanines: [InPc2]I2 and [ZrPc2]I2 . In: Inorg. Chim. Acta, 2001, 85-93
2001Jan Janczak, R.Kubiak: X-ray single crystal investigations of magnesium phthalocyanine. The 4+1 coordination of the Mg ion and its consequence . In: Polyhedron, 2001, 2901-2909
2000Jan Janczak: Comment on polymorphic forms of metal-free phthalocyanine. The refinement of the crystal structure of alpha-H2Pc at 160 K. In: Polish Journal of Chemistry, 2000, 157-162
2000Jan Janczak, R.Kubiak: Crystal and Molecular Structure of 2,3-Dicyanonaphthalene - a naphthalocyanine Precursor. In: J. Mol. Struct., 2000, 81-90
2000Jan Janczak, R.Kubiak: Molecular Structure and Ring Distortions of 1,3-Dicyanobenzene in the Gas Phase and in the Crystal. In: J. Mol. Struct., 2000, 157-166
2000Jan Janczak, R. Kubiak, I. Svoboda, A. Jezierski, H. Fuess: Synthesis and Structural Investigation of Iodine Doped Uranium Diphthalocyanine - UPc2I2.. In: Inorg. Chim. Acta, 2000, 150-155
1999Jan Janczak, R.Kubiak, F.Hahn: A neutral molecule of I2 as a bridge for dimerization of iodine iron(III)phthalocyanine. In: Inorg. Chim. Acta , 1999, 101-104
1999Jan Janczak, R. Kubiak, J.Richter, H. Fuess: Bismuth triple-decker phthalocyanine - synthesis and structure. In: Polyhedron , 1999, 2775-2780
1999Jan Janczak: Comparison of the ab-initio calculated and X-ray molecular geometries of the o-, m-, and p-cyanoaniline. In: Polish Journal of Chememistry , 1999, 655-667
1999R.Flaig, T.Koritsànszky, Jan Janczak, H.G.Krane, W.Morgenroth, P.Luger: Fast experiments for charge Density determination: topological analysis and electrostatic potential of four amino acids, L-Asn, DL-Glu, DL-Ser, L-Thr. In: Angew. Chem., Int. Ed., 1999, 1397-1400
1999Jan Janczak, M.Razik, R.Kubiak: I2-diiodophthalocyaninato(2-)germanium(IV). In: Acta Crystallographica Section C, 1999, 359-361
1999Jan Janczak, R.Kubiak: Indium(III)-phthalocyanines: Synthesis, Spectroscopy and Crystal Structure of iodophthalocyaninato(2-) indate (III). In: Inorg. Chim. Acta, 1999, 174-180
1999Jan Janczak, R.Kubiak, A.Jezierski: Mixed valence, disordered structure and some properties of iodine doped phthalocyanines: [YbPc2]I2 and [AsPc2]I2. In: Inorganic Chemistry, 1999, 2043-2049
1999Jan Janczak: Spectroscopic properties of dithallium phthalocyanine. In: Polish Journal Chemistry, 1999, 437-446
1999Jan Janczak, R.Kubiak: Synthesi and X-ray Charactrization of the iodine doped metallodiphthalocyanine UPc2I1.667. In: Polyhedron, 1999, 1621-1627
1999Jan Janczak, R.Kubiak: Synthesis and Structure of Diiodo(phthalocyaninato(2-)) tin(IV). In: Polish Journal of Chemistry , 1999, 1587-1592
1999R. Kubiak, Jan Janczak, M. Razik: Synthesis and X-ray characterization of antimony(III)phthalocyanine triiodide. In: Inorg. Chim. Acta, 1999, 155-159
1999Jan Janczak, R.Kubiak: Synthesis, Structure and Characterization of Triiodide Oxomolybdenum(V) Phthalocyanine. In: Inorganic Chemistry, 1999, 2429-2433
1999Jan Janczak, R.Kubiak: Tris (2-cyanophenyl)-1,3,5-triazine. Byproduct of the phthalocyanines synthesis. In: Acta Chem. Scand., 1999, 602-610
1998Jan Janczak, P.Luger, T.Koritsanszky, D.Zobel, R.Flaig: Electrostatic Potential of L-Threonine: Experimental and Theoretical Results. In: Z.Krist., 1998, 71-71
1998Jan Janczak, R.Kubiak, F.Hahn: Mixed valence, tetradisordered structure of iodine doped bismuth(III) diphthalocyanine. In: Inorg. Chim. Acta, , 1998, 195-200
1998Jan Janczak: Spectroscopic properties of new indium(III) phthalocyanine complexes. In: Polish Journal of Chemistry, 1998, 1871-1878
1997Jan Janczak, P.Luger: L-Proline Monohydrate at 100 K. In: Acta Crystallographica Section C , 1997, 1954-1956
1997Jan Janczak, D.Zobel, P.Luger: L-Threonine at 12 K. In: Acta Crystallographica Section C , 1997, 1901-1904
1997R.Kubiak, Jan Janczak: New unsubstituted phthalocyanines. Structure-properties relation. In: Proc.SPIE Int.Soc.Opt.Eng. , 1997, 52-55
1996R.Kubiak, Jan Janczak: A new Crystalline (alfa) form of 1,4-dicyanobenzene. In: Acta Chem. Scand., 1996, 1164-1167
1996Jan Janczak, R.Kubiak: Structural Investigations of Phthalo- and Naphthalocyanine Precursors and their Cyclomerization Products. In: Acta Crystallographica Section A, 1996, C228-C228
1996Jan Janczak: Synthesis and Crystal Structure of Ammonium Tetrachlorouranate(III) Tetrahydrate. In: Polyhedron , 1996, 241-244