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Vasile Chis

Babes-Bolyai University, Faculty of Physics, Cluj-Napoca, România

Pagina web a instituției: http://www.phys.ubbcluj.ro
Pagina web personală: http://www.phys.ubbcluj.ro/~vasile.chis
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Născut(ă) în 1966

Interese: Ab Initio, DFT, IR, NMR, EPR, free radicals, hydrogen bonding

Detalii:
Experimental (IR, Raman, NMR) and theoretical (Ab Initio Hartree-Fock, Density Functional Theory Methods) on closed shell molecular systems; Intra and intermolecular hydrogen bonding; experimental (ESR, ENDOR) and theoretical (DFT) studies on free radicals of biological relevance;

Publicații relevante:
• N. Leopold, L. Szabó, A. Pîrnău, M. Aluaș, L. F. Leopold, V. Chiș, O. Cozar. Raman spectroscopic and DFT theoretical study of 4-(2-pyridylazo)resorcinol and its complexes with zinc(II) and copper(II) . Journal of Molecular Structure, 919, pp. 94-99, 2009.
• A. Pirnau, V. Chiș, O. Oniga, N. Leopold, L. Szabo, M. Baias, O. Cozar. Vibrational and DFT Study of 5-(3-Pyridyl-Methylidene)-Thiazolidine-2-Thione-4-One. Vibrational Spectroscopy, 48, pp. 289-296, 2008.
• V. Chiș, M. M. Venter, N. Leopold, O. Cozar. Raman, surface-enhanced Raman scattering and DFT study of para-nitro-aniline. Vibrational Spectroscopy, 48, pp. 210-214, 2008.
• Anna Lisa Maniero, Vasile Chis, Alfonso Zoleo, Marina Brustolon, and Alberto Mezzetti. Three Different Tyrosyl Radicals Identified in L-Tyrosine HCl Crystals upon -Irradiation: Magnetic Characterization and Temporal Evolution. J. Phys. Chem. B, 112, pp. 3812-3820, 2008.
• Chis, V. / Pirnau, A. / Vasilescu, M. / Varga, R. A. / Oniga, O. . X-ray, 1H NMR and DFT study on 5-para-X-benzylidenethiazolidine derivatives with X=Br, F. JOURNAL OF MOLECULAR STRUCTURE: THEOCHEM, 851 (1),, pp. 63-74, 2008.
• Anna Lisa Maniero, Vasile Chis, Alfonso Zoleo, Marina Brustolon and Alberto Mezzetti. Three Different Tyrosyl Radicals Identified in L-Tyrosine HCl Crystals upon -Irradiation: Magnetic Characterization and Temporal Evolution. Journal of Physical Chemistry B, 112(12), pp. 3812 -3820, 2008.
• V. Chiș, M. M. Venter, C. Lehene, M. Vasilescu, N. Leopold, O. Cozar. Bis-aniline compounds as potential candidates for molecular electronics: Experimental and DFT investigation on 4, 4' -diaminodiphenyloxide. Journal of Optoelectronics and Advanced Materials, 9(3), p. 788, 2007.
• I. Toth, R. I. Câmpeanu, V. Chiș, L. Nagy. Screening effects in the ionization of molecules by positrons. Physics Letters A, 360, pp. 131-134, 2006.
• R. I. Câmpeanu, V. Chiș, L. Nagy, A. D. Stauffer. Positron impact ionization of CH4. Nucl. Instr. Meth. B, 247, pp. 58-60, 2006.
• O. Cozar, N. Leopold, C. Jelic, V. Chiș, L. David, A. Mocanu, M. Tomoaia-Cotisel. IR, Raman and surface-enhanced Raman study of desferrioxamine B and its Fe(III) complex, ferrioxamine B. Journal of Molecular Structure, 788, pp. 1-6, 2006.
• M. Baias, A. Pîrnău, V. Chiș, O. Cozar, M. Vasilescu. Experimental and theoretical investigation of 5-para-fluoro-benziliden-tiazolidin-2tion-4-ona. Journal of Optoelectronics and Advanced Materials, 8, pp. 205-208, 2006.
• R. I. Campeanu, V. Chis, L. Nagy, A. D. Stauffer. Positron impact ionization of CO and CO2. Physics Letters A, 344, pp. 247-252, 2005.
• T. Iliescu, D. Maniu, V. Chis, F. D. Irimie, Cs. Paizs and M. Tosa. NIR Surface Enhanced Raman Spectroscopy and Band Assignment by DFT Calculations of Non-Natural beta-amino-acids. Chemical Physics, 310, pp. 189-199, 2005.
• V. Chis, S. Filip, V. Miclaus, A. Pirnau, C. Tanaselia, V. Almasan, M. Vasilescu. Vibrational Spectroscopy and Theoretical Studies on 2, 4-dinitrophenylhydrazine. Journal of Molecular Structure, 744-747, pp. 363-368, 2005.
• A. V. Szeghalmi, L. Leopold, S. Pînzaru, V. Chiș, I. Silaghi-Dumitrescu, M. Schmitt, J. Popp, W. Kiefer. Adsorption of 6-Mercaptopurine and 6-Mercaptopurine-Riboside on Silver Colloid: A pH Dependent Surface En-hanced Raman Spectros-copy and Density Func-tional Theory Study. Part I. 6-Mercaptopurine. Journal of Molecular Structure, 735-736, pp. 103-113, 2005.
• V. Chiș, A. Pîrnău, T. Jurcă, M. Vasilescu, S. Simon, O. Cozar, L. David. Experimental and DFT Study of Pyrazinamide. Chemical Physics, 316, pp. 153-163, 2005.
• V. Szeghalmi, L. Leopold, S. Pînzaru, V. Chiș, I. Silaghi-Dumitrescu, M. Schmitt, J. Popp, W. Kiefer. Adsorption of 6-mercaptopurine and 6-mercaptopurine-riboside on silver colloid: A pH de-pendent surface enhanced Raman spectroscopy and density functional theory study. Part II. 6-mercaptopurine-riboside. Biopolymers, 78, pp. 298-310, 2005.
• R. I. Campeanu, V. Chiș, L. Nagy, A. D. Stauffer. Positron impact ionization of CO and CO2. Physics Letters A , 344, pp. 247-252, 2005.
• V. Chis. Molecular and Vibrational Structure of 2, 4-Dinitrophenol: FT-IR, FT-Raman and Quantum Chemical Calculations. Chemical Physics, 300, pp. 1-11, 2004.

Publicații din baza de date ISI, indexate în 2002-2011, realizate în România:
• David, L; Craciun, C; Chis, V; Tetean, R, EPR and HF-EPR study of a trinuclear Mn-II cluster encapsulated in one sandwich-type heteropolyanion. SOLID STATE COMMUNICATIONS, 121 (12), pp. 675-678, 2002.
• Campeanu, RI; Chis, V; Nagy, L; Stauffer, AD, The effect of target representation in positron-impact ionization of molecular hydrogen. PHYSICS LETTERS A, 310 (5-6), pp. 445-450, 2003.
• Campeanu, RI; Chis, V; Nagy, L; Stauffer, AD, Positron impact ionization of molecular nitrogen. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 221, pp. 21-23, 2004.
• Campeanu, RI; Chis, V; Nagy, L; Stauffer, AD, Positron impact ionization of molecular oxygen. PHYSICS LETTERS A, 325 (1), pp. 66-69, 2004.
• Chis, V, Molecular and vibrational structure of 2,4-dinitrophenol: FT-IR, FT-Raman and quantum chemical calculations. CHEMICAL PHYSICS, 300 (1-3), pp. 1-11, 2004.
• Campeanu, RI; Chis, V; Nagy, L; Stauffer, AD, Positron impact ionization of CO and CO2. PHYSICS LETTERS A, 344 (2-4), pp. 247-252, 2005.
• Chis, V; Pirnau, A; Jurca, T; Vasilescu, M; Simon, S; Cozar, O; David, L, Experimental and DFT study of pyrazinamide. CHEMICAL PHYSICS, 316 (1-3), pp. 153-163, 2005.
• Szeghalmi, AV; Leopold, L; Pinzaru, S; Chis, V; Silaghi-Dumitrescu, I; Schmitt, M; Popp, J; Kiefer, W, Adsorption of 6-mercaptopurine and 6-mercaptopurine-riboside on silver colloid: A pH-dependent surface-enhanced Raman spectroscopy and density functional theory study. II. 6-Mercaptopurine-riboside. BIOPOLYMERS, 78 (6), pp. 298-310, 2005.
• Chis, V; Filip, S; Miclaus, V; Pirnau, A; Tanaselia, C; Almasan, V; Vasilescu, M, Vibrational spectroscopy and theoretical studies on 2,4-dinitrophenylhydrazine. JOURNAL OF MOLECULAR STRUCTURE, 744, pp. 363-368, 2005.
• Iliescu, T; Maniu, D; Chis, V; Irimie, FD; Paizs, C; Tosa, M, NIR surface enhanced Raman spectroscopy and bands assignment by DFT calculations of non-natural beta-amino acids. CHEMICAL PHYSICS, 310 (1-3), pp. 189-199, 2005.
• Szeghalmi, AV; Leopold, L; Pinzaru, S; Chis, V; Silaghi-Dumitrescu, I; Schmitt, M; Popp, J; Kiefer, W, Adsorption of 6-mercaptopurine and 6-mercaptopurine riboside on silver colloid: a pH dependent surface enhanced Raman spectroscopy and density functional theory study. Part I. 6-Mercaptopurine. JOURNAL OF MOLECULAR STRUCTURE, 735, pp. 103-113, 2005.
• Cozar, O; Leopold, N; Jelic, C; Chis, V; David, L; Mocanu, A; Tomoaia-Cotisel, M, IR, Raman and surface-enhanced Raman study of desferrioxamine B and its Fe(III) complex, ferrioxamine B. JOURNAL OF MOLECULAR STRUCTURE, 788 (1-3), pp. 1-6, 2006.
• Chis, V; Oltean, M; Pirnau, A; Miclaus, V; Filip, S, Spectral and theoretical studies of 2-naphthalenol: an organic nonlinear optical crystalline material. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 8 (3), pp. 1143-1147, 2006.
• Campeanu, RI; Chis, V; Nagy, L; Stauffer, AD, Positron impact ionization of CH4. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 247 (1), pp. 58-60, 2006.
• Cozar, O; Chis, V; David, L; Baias, M, Experimental and density functional theory investigation of some biomedical compounds. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 8 (1), pp. 164-171, 2006.
• Baias, M; Pirnau, A; Chis, V; Cozar, O; Vasilescu, M, Experimental and theoretical investigation of 5-para-fluoro-benziliden-tiazolidin-2tion-4-ona. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 8 (1), pp. 205-207, 2006.
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