Hrvoj Vančik

Title and position: Ph.D. (Chemistry)
1978 Teaching Assistant
1989 Assistant Professor of Chemistry
1996 Associate Professor of Chemistry, Department of Chemistry, Faculty of Science and Mathematics, University of Zagreb
2001 Professor of Chemistry, Department of Chemistry, Faculty of Science and Mathematics, University of Zagreb
2021 Professor emeritus, University of Zagreb

Nationality: Croat; citizen of Croatia
Date and place of birth: 17 May 1952, Varaždin, Republic of Croatia
Marital status: divorced

EDUCATION
B.S. Chem. Eng., University of Zagreb, Falcuty of Science, 1976 (Prof. T. Cvitaš)
B.S., Academy of Music (violin), 1977 (Prof. T. Ninić)
M.S., University of Zagreb, 1978 (Prof. L. Klasinc)
Ph.D., University of Zagreb, 1981 (Prof. D. E. Sunko)
Postdoctoral, University of Utah, Salt Lake City, U.S.A., 1983/84 (Prof. J. Michl)

Major research interest: Organic and physical organic chemistry and spectroscopy, solid-state reactions, matrix isolation, photochemistry, philosophy of chemistry, terminology of chemistry and science

Major research achievements:

  1. Detailed study of the nature and structure of carbocations in solid state by using cryogenic IR spectroscopy.
    First isolation of unstable carbocations (7-norbornyl cation, 2-norbornyl cation, allyl cation, etc).
  2. Investigation of aromatic C-nitroso compounds as models for studying reaction mechanisms in solid
    polycrystalline state. Discovery of new photochromic system in solid state. Discovery of new organic
    semiconductor.
  3. New concept about the problem of complexity (in studies of philosophy of chemistry).

Project leader of 4 scientific research projects.

Activity in the university education process: Lecturer of organic chemistry, physical-organic chemistry, photochemistry, and history and philosophy of chemistry. Establishing of two new university courses: Molecular photochemistry, History and philosophy of chemistry.

Mentorship: 5 M. S. Theses, and 10 Ph. D. Theses (V. Gabelica, M. Mesić, V. Šimunić-Mežnarić, I. Biljan, I. Halasz, K. Varga, P. Bibulić, S. Milovac, K. Lukić, and A. Mihanović

University activity: Head of the Department of Chemistry (1995-2000), Vice-Dean of the Faculty of Science and Mathematics (2003-2005), Member of the University Board of the University of Zagreb (2010-2013), Head of the Laboratory of Organic Chemistry of the Faculty of Science and Mathematics (2013-2018), Member of the University Council of the University of Zagreb (2015-2019).

Organizational competences: Organizer and Director of 12 international conferences, Central European Chemistry Meeting, Varaždin, 2000, 2003, 2006. International Symposium for Philosophy of Chemistry, Split 2006. Conference in honor to the 80. birthday of Professor Emeritus Dionis Sunko, Zagreb, 2002. Math/Chem/Comp Conferences, Dubrovnik 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024, 2025, 2026; ESOR, European Symposium on Organic Reactivity, Dubrovnik, 2019.; International Symposium for Philosophy of Chemistry, Varaždin 2024.

Membership: Fellow of the Royal Society of Chemistry (FRSC), Croatian Chemical Society, American Chemical Society, Philosophy of Science Association, International Society for Philosophy of Chemistry

Awards:
2002 Award for Science of the Republic of Croatia
2018 Award “Andrija Mohorovičić” for science (University of Zagreb).
2019 Medal of the Department of Chemistry, Faculty of Science, Uni. Zagreb

Foreign languages: English, German, Italian, Russian, Ukrainian, Croatian (Mother tongue)

Invited lecturer:
Recent Results of IR-Spectroscopy of Carbocations, Universität Erlangen-Nürnberg, 1992.
The IR of Stable Silicon Containing Cations, Yale University, New Haven, 1993.
Matrix Isolation and Vibrational Spectroscopy of Carbocations, 12th Conference on Physical Organic Chemistry (IUPAC), Universitá di Padova 1994.
Solid State Chemistry of C-Nitroso Compounds, Russian Academy of Science, Moscow, 2003.
From Complexity to Systems, The 26th Conference of ISPC Lille University, France, 15 – 21 August 2022.
Limits of complexity and the graph-theoretical interpretation of systems, The ISSS Annual Symposium, Washington D.C., U.S.A. 9 – 13 June 2024.

Scientific publications: 72 publications (Scopus, Current Contents) of which most are in the journals with the highest impact (J. Am. Chem. Soc., Angew. Chem., J. Phys. Chem., J. Org. Chem., J. Chem. Soc. Perkin, J. Chem. Soc. Chem. Commun., Pure & Appl. Chem., Polymer, etc.)

Books:

  1. Temelji organske kemije (Basic organic chemistry) (University textbook, in Croatian)
  2. Basic Organic Chemistry for the Life Sciences (University textbook, in English), Springer Verlag, Dordrecht, Heidelberg, London, N.Y. 2014.
  3. Aromatic C-Nitroso Compounds, (scientific book), Springer Verlag, Dordrecht, Heidelberg, London, N.Y. 2013.
  4. Dvanaest predavanja iz filozofije kemije (in Croatian) (Twelf lectures from philosophy of chemistry), IuHV, 2017.
  5. Philosophy of Chemistry, (University textbook, scientific book in English), Springer Nature, Dordrecht, Heidelberg, London, 2021
  6. Basic Organic Chemistry for the Life Sciences (University textbook, in English), Springer Nature, Dordrecht, Heidelberg, London, N.Y. 2014. 2nd Edition
  7. From Complexity to Systems, Springer Nature, Dordrecht, Heidelberg, London, N.Y. 2024

Most important citations:

  1. G. A. Olah, Nobel Award Lecture, Angew. Chem. Int. Ed. Engl. 1995, 34, 1393.
  2. Metoden der Organischen Chemie (Houben-Weyl) Vol. 19c, Thieme Verlag, Stuttgart – New York 1990. (3 citations: S. 35, 383, 385)
  3. Annual Reports (Organic Chemistry) Vol. 82, 1985, The Royal Society of Chemistry, London, 1986. (p. 236)
  4. Annual Reports (Organic Chemistry) Vol. 87, 1990, The Royal Society of Chemistry, London, 1991. (p. 42)
  5. J. March, Advanced Organic Chemistry, VI Ed., J. Wiley & Sons, N.Y. 1992. (4 citations: 10-0116, 10-0120, 10-0185, 10-0208).

Full bibliography:

  1. T. Cvitaš, H. Gusten, L. Klasinc, I. Novak and H. Vančik, Photoelectron Spectra of Bromo- and Iodotrifluoromethane, Z. Naturforsch. 1977, 32a, 1528–1532. https://doi.org/10.1515/zna-1977-1229
  2. I. Novak and H. Vančik, Photoelectron Spectrum of Tetraiodosilane, J. Electron. Spect. and Relat. Phenom. 1981, 24, 289–292. https://doi.org/10.1016/0368-2048(81)80015-1
  3. D. E. Sunko, H. Vančik, V. Deljac and M. Milun, The 7-Norbornyl Cation. Structure an Interactions, J. Am. Chem. Soc. 1983, 105, 5364–5368. https://doi.org/10.1021/ja00354a029
  4. H. Vančik, G. Raabe, M. J. Michalczyk, R. West and J. Michl, Dimethylsilylene: A Trisilane and a Geminal Diazide as New Photochemical Precursors. Evidence for an Absorption Maximum near 450 nm, J. Am. Chem. Soc. 1985, 107, 4097–4098. https://doi.org/10.1021/ja00299a067
  5. D. E. Sunko, Z. Lovrić and H. Vančik, The Role of Norcardiene Intermediates in the Thermal Rearrangement of Norbornadien-7-one Acetals, J. Chem. Soc. Chem. Commun. 1985, 1589–1590. https://doi.org/10.1039/C39850001589
  6. D. E. Sunko, Z. Lovrić, and H. Vančik, The Mechanism of Aromatization of 7-Norbornadien Acetals. Evidence for Norcardiene Formation, Croat. Chem. Acta 1985, 58, 523–530. https://hrcak.srce.hr/178041
  7. G. Raabe, H. Vančik, R. West and J. Michl, IR Transition Moment Directions in Matrix-Isolated Dimethylsilylene and 1-Methylsilene, J. Am. Chem. Soc. 1986, 108, 671–677. https://doi.org/10.1021/ja00264a017
  8. I. Matijašić, F. Ugozzoli, G. Bocelli, H. Vančik and D. Sunko, Crystal Structure and Synthesis of a Quadricyclane Derivative, J. Chem. Soc. Chem. Commun. 1986, 1134–1135. https://doi.org/10.1039/C39860001134
  9. B. Juršić, H. Vančik and K. Furić, A Raman Spectroscopic Study of the Orientation of omega-Phenylpolyoxa-alkanoles in Micellar Solutions of Sodium Dodecyl Sulphate, J. Chem. Res., Synop. 1988, 204–205.
  10. H. Vančik and D. E. Sunko, Solid State Chemistry in Antimony Pentafluoride Matrices. Infrared Spectra of Reactive Intermediates, J. Am. Chem. Soc. 1989, 111, 3742–3744. https://doi.org/10.1021/ja00192a038
  11. W. Koch, B. Liu, D. J. DeFrees, D. E. Sunko and H. Vančik, Experimental and Theoretical Infrared Spectra of the 2-Norbornyl Cation, Angew. Chem. Int. Ed. Engl. 1990, 29, 183–185. https://doi.org/10.1002/anie.199001831
  12. H. Vančik, V. Gabelica, V. Rogan and D. E. Sunko, The Photolysis of Matrix Isolated Cyclic Iodides, J. Chem. Res. (S), 1990, 92–93. https://doi.org/10.1002/chin.199035087
  13. H. Vančik, K. Percač and D. E. Sunko, Chloromethyl Cations in Cryogenic SbF5 Matrices and the Generation of Carbocations from Hydrocarbons, J. Am. Chem. Soc. 1990, 112, 7418–7419. https://doi.org/10.1021/ja00176a065
  14. P. Buzek, P. v. R. Schleyer, S. Sieber, W. Koch, J. W. de M. Carneiro, H. Vančikand D. E. Sunko, Confirmation of the H-Bridged Structure of the 2-Butyl Cation by Comparison of Experimental and Ab Initio IR Frequencies, J. Chem. Soc. Chem. Commun. 1991, 671–674. https://doi.org/10.1039/C39910000671
  15. H. Vančik, K. Percač and D. E. Sunko, Isolation and the IR Spectra of Chloro- and Bromo-ethyl Cations in Cryogenic SbF5 Matrices, J. Chem. Soc. Chem. Commun. 1991, 807–809. https://doi.org/10.1039/C39910000807
  16. P. Buzek, P. v. R. Schleyer, H. Vančik and D. E. Sunko, Characteristic Frequencies of Hydrogen-Bridged Carbocations. IR-Spectra and Ab Initio Calculations of the Nonclassical Structures of the Cyclooctyl Cation, J. Chem. Soc. Chem. Commun. 1991, 1538–1540. https://doi.org/10.1039/C39910001538
  17. H. Vančik, V. Gabelica, D. E. Sunko, P. Buzek and P. v. R. Schleyer, The Vibrational Spectra of C4H7+ Isomers in Low Temperature Antimony Pentafluoride Matrices, J. Phys. Org. Chem. 1993, 6, 427–432. https://doi.org/10.1002/poc.610060708
  18. S. Sieber, P. v. R. Schleyer, H. Vančik, M. Mesić and D. E. Sunko, The Nature of the 7-Norbornyl Cation and its Rearrangement into the 2-Norbornyl Cation, Angew. Chem. Int. Ed. Engl. 1993, 32, 1604–1606.
    19. https://doi.org/10.1002/anie.199316041
  19. P. Buzek, P. v. R. Schleyer, H. Vančik, Z. Mihalić and Jürgen Gauss, Generation of the Parent Allyl Cation in a Superacid Cryogenic Matrix, Angew. Chem. Int. Ed. Engl. 1994, 33, 448–451. https://doi.org/10.1002/anie.199404481
  20. M. Mesić, D. E. Sunko and H. Vančik, Rearrangement of Bicyclo[3. 2. 0]heptyl Precursors to the 7-Norbornyl Cation in Cryogenic SbF5 Matrix, J. Chem. Soc. Perkin Trans. 2 1994, 1135–1137. https://doi.org/10.1039/P29940001135
  21. H. Vančik, V. Gabelica, Z. Mihalić, D. E. Sunko, Complexes of Ketones with SbF5 in the Condensed Phase. Structural Effects on the Carbonyl Stretching Frequencies, J. Chem. Soc. Perkin Trans. 2 1994, 1611–1614. https://doi.org/10.1039/P29940001611
  22. D. E. Sunko, H. Vančik, Z. Mihalić, V. J. Shiner, Jr., F. P. Wiglis, Effects of Bridgehead Substitution on Structure and Reactivity of the 7-Norbornyl Cation. J. Org. Chem. 1994, 59, 7051–7055. https://doi.org/10.1021/jo00102a033
  23. H. Vančik, Matrix Isolation and Vibrational Spectroscopy of Carbocations, Pure Appl. Chem. 1995, 67, 761–767. https://doi.org/10.1351/pac199567050761
  24. H. Vančik, D. Babić and N. Trinajstić, C60 – a Prebiotic Terpenoid, Fullerene Sci. Technol. 1995, 3, 305–312. https://doi.org/10.1080/153638X9508543785
  25. R. Hoti, Z. Mihalić and H. Vančik, About the Nature of Carbon-Nitrogen Triple Bond in Complexes of Nitriles with Strong Lewis Acids, Croat. Chem. Acta 1995, 68, 359–371. https://hrcak.srce.hr/136756
  26. H. Vančik, Z. Mihalić and D. Kiđemet, Structure, Dynamics and Vibrational Spectra of α-Chloroallyl Cations in Solid SbF5-Matrices. Croat. Chem. Acta 1996, 69, 1511–1520. https://hrcak.srce.hr/135987
  27. H. Vančik, I. Novak and D. Kiđemet, IR Matrix Spectroscopy of Pentachlorocyclopentadienyl Cation C5Cl5+. Effect of Chlorine as a Substituent, J. Phys. Chem. A 1997, 101, 1523–1525. https://doi.org/10.1021/jp961610h
  28. H. Vančik, A. M. Genaev and V. G. Shubin, FTIR Spectra of matrix isolated 2-methylbenzonorbornen-2-yl-type cations, J. Chem. Soc. Perkin Trans. 2 1997, 667–668. https://doi.org/10.1039/a607105h
  29. P. Strazzolini, A. Gambi, A. G. Giumanini, H. Vančik, The reaction between ethanedioyl (oxalyl) dihalides and Ag2C2O4: a route to Staudinger’s elusive ethanedioic (oxalic) acid anhydride, J. Chem. Soc. Perkin Trans. 1 1998, 2553–2558. https://doi.org/10.1039/a803430c
  30. H. Vančik, I. Novak, D. Kiđemet, Comment on “IR Matrix Spectroscopy of Pentachlorocyclopentadienyl Cation C5Cl5+. Effect of Chlorine as a Substituent”, J. Phys. Chem. A 1998, 102, 8437–8438. https://doi.org/10.1021/jp982597z
  31. M. Mesić, I. Novak, D. E. Sunko, H. Vančik, C-H Hyperconjugation in α-Chlorocarbocations, J. Chem. Soc. Perkin Trans. 2 1998, 2371–2374. https://doi.org/10.1039/a805772i
  32. H. Vančik, Opus Magnum: An Outline for the Philosophy of Chemistry, Foundations of Chemistry 1999, 1, 239–254. https://doi.org/10.1023/A:1009989903921
  33. D. Kiđemet, Z. Mihalić, I. Novak, H. Vančik, 2-Chloroallyl Cation. Structure, FT-IR Spectra, and Matrix Isolation. J. Org. Chem. 1999, 64, 4931–4934. https://doi.org/10.1021/jo971481g
  34. H. Vančik, Chlorocarbocations and Concept of the Electron Donating Ability, Croat. Chem. Acta 2000, 73, 595–604. https://hrcak.srce.hr/132074
  35. S. Milovac, V. Šimunić-Mežnarić, H. Vančik, A. Višnjevac, B. Kojić-Prodić, 5-Chloro-6-nitroso-2-norbornene dimer as a motif for supramolecular assembly, Acta Cryst. 2001, E57, o218–o219. https://doi.org/10.1107/S160053680100232X
  36. H. Vančik, V. Šimunić-Mežnarić, I. Ćaleta, E. Meštrović, S. Milovac, K. Mlinarić-Majerski, J. Veljković, Solid State Photochromism and Thermochromism in Nitroso Monomer-Dimer Equilibrium, J. Phys. Chem. B 2002, 106, 1576–1580. https://doi.org/10.1021/jp0115289
  37. V. Šimunić-Mežnarić, Z. Mihalić, H. Vančik, Oxime rearrangements: ab initio calculations and reactions in the solid state, J. Chem. Soc. Perkin 2 2002, 2154–2158. https://doi.org/10.1039/B105923H
  38. H. Vančik, Philosophy of Chemistry and Limits of Complexity, Foundations of Chemistry 2003, 5, 237–247. https://doi.org/10.1023/A:1025656727195
  39. H. Vančik, Philosophy of Chemistry and Generalization of the Concept of Complexity, in Chemistry in the Philosophycal Melting Pot, Peter Lang, 2004. https://www.peterlang.com/document/1097803
  40. H. Vančik, V. Šimunić-Mežnarić, E. Meštrović, I Halasz, Nitrosobenzene Dimerizations as a Model System for Studying Solid-State Reaction Mechanisms, J. Org. Chem. 2004, 69, 4829–4834. https://doi.org/10.1021/jo049537b
  41. I. Halasz, E. Meštrović, H. Čičak, Z. Mihalić, H. Vančik, Solid-State Reaction Mechanisms in Monomer-Dimer Interconversions of p-Bromonitrosobenzene. Single-Crystal-to-Single-Crystal Photodissociation and Formation of New Non-van der Waals Close Contacts, J. Org. Chem. 2005, 70, 8461–8467. https://doi.org/10.1021/jo051236u
  42. V. Šimunić-Mežnarić, E. Meštrović, V. Tomišić, M. Žgela, D. Vikić-Topić, H. Čičak, P. Novak, H. Vančik, Nitrosobenzene Library: A Model for Studying Selectivity in the Solid State Nitroso-Azodioxide Dimerization, Croat. Chem. Acta 2005, 78, 511–518. https://hrcak.srce.hr/2538
  43. I. Halasz, K. Lukić, H. Vančik, Hydrogen phosphate salts of 4-aminoazobenzene, Acta Cryst. 2007, C63, o61–o64. https://doi.org/10.1107/S0108270106050979
  44. I. Halasz, I. Biljan, P. Novak, E. Meštrović, J. Plavec, G. Mali, V. Smrečki, H. Vančik, Cross-dimerization of Nitrosobenzenes in Solution and in Solid State, J. Mol. Struct. 2009, 918, 19–25. https://doi.org/10.1016/j.molstruc.2008.07.035
  45. I. Biljan, G. Cvjetojević, V. Smrečki, P. Novak, G. Mali, J. Plavec, D. Babić, Z. Mihalić, H. Vančik, Nitrosobenzene Cross-dimerization: Structural Selectivity in Solution and in Solid State, J. Mol. Struct. 2010, 979. 22–26. https://doi.org/10.1016/j.molstruc.2010.05.034
  46. H. Čičak, H. Vančik, Z. Mihalić, Reaction of trimethylsilylacetylenes with antimony pentafluoride under matrix isolation conditions: experimental and computational study, J. Org. Chem. 2010, 75, 6969–6972. https://doi.org/10.1021/jo101185n
  47. A. Knežević, T. Medančić, S. Milovac, I. Biljan, I. Halasz, and H. Vančik, Photothermal Reactions of Nitrosobenzene and Halonitrosobenzenes in Solid state, Croat. Chem. Acta 2011, 84, 21–24. https://doi.org/10.5562/cca1714
  48. I. Halasz and H. Vančik, Surface nucleation in solid-state dimerisation of nitrosobenzenes promoted by sublimation, CrystEngComm 2011, 13, 4307–4310. https://doi.org/10.1039/c0ce00870b
  49. I. Biljan, M. Kralj, T. Mišić Radić, V. Svetličić, and H. Vančik, Dimerization of Nitrosobenzene Derivatives on an Au(111) Surface, J. Phys. Chem C 2011, 115, 20267–20273. https://doi.org/10.1021/jp206547k
  50. I. Huskić, I. Halasz, T. Friščić and H. Vančik, Mechanosynthesis of nitrosobenzenes: a proof-of-principle study in combining solvent-free synthesis with solvent-free sepatations, Green Chem. 2012, 14, 1597–1600. https://doi.org/10.1039/c2gc35410a
  51. I. Biljan, T. Medančić, M. Kralj, T. Mišić Radić, V. Svetličić, H. Vančik, Nitrosoarene Dimerization on Two- and Threedimensional Gold Surfaces, Croat. Chem. Acta, 2013, 86, 83–94. https://doi.org/10.5562/cca2023
  52. I. Halasz, N. Cindro, R. E. Dinnebier, H. Vančik, An Old Story in New Light: X-Ray Powder Diffraction Provides Novel Insights into a Long-Known Organic Solid-State Rearrangement Reaction, Croat. Chem. Acta 2013, 86, 187–192. https://doi.org/10.5562/cca2127
  53. A. Maganjić, I. Šolić, S. Milovac, I. Halasz, I. Biljan and H. Vančik, Mechanochemically induced cross-dimerizations of nitrosobenzenes. Kinetics and solid-state isotope effects, J. Phys. Org. Chem. 2014, 27, 177–182. https://doi.org/10.1002/poc.3256
  54. I. Džeba, I. Halasz, K. Lukić-Glavaš, H. Vančik, Mechanochemically induced anion exchange in aminoazobenzene salts, Croat. Chem. Acta 2014, 87, 407–412. https://doi.org/10.5562/cca2485
  55. K. Varga, J. Volarić, H. Vančik, Crystal disordering and organic solid-state reactions, CrystEngComm. 2015, 17, 1434–1438. https://doi.org/10.1039/C4CE01915F
  56. P. Bibulić, I. Rončević, K. Varga, Z. Mihalić, H. Vančik, Structure and topochemistry of azodioxide oligomers in solid state, J. Mol. Struct. 2016, 1104, 85–90. https://doi.org/10.1016/j.molstruc.2015.10.009
  57. K. Varga and H. Vančik, Topochemical effect in thermal E-Z isomerization of azodioxides in solid state, J. Phys. Org. Chem. 2016, 29, 214–220 https://doi.org/10.1002/poc.3521
  58. I. Biljan, H. Vančik, Aromatic C-Nitroso compounds and their dimers: A model for probing the reaction mechanisms in crystalline molecular solids, Crystalls 2017, 12, 376. https://doi.org/10.3390/cryst7120376
    59. https://doi.org/10.3390/cryst7120376
  59. P. Bibulić, I. Rončević, V. Bermanec, H. Vančik, Polymerization of 1,4-dinitrosobenzene: Kinetics and Submicrocrystal Structure, Croat. Chem. Acta 2017, 90, 383–389. https://doi.org/10.5562/cca3220
  60. K. Varga, I. Biljan, V. Tomišić, Z. Mihalić, H. Vančik, Quantum chemical calculations of monomer-dimer equilibria of aromatic C-Nitroso compounds, J. Phys. Chem. A 2018, 122, 2542–2549. https://doi.org/10.1021/acs.jpca.7b12179
  61. Đ. Škalamera, I. Antol, K. Mlinarić-Majerski, H. Vančik, D. L. Philips, J. Ma, N. Basarić, Ultrafast adiabatic photodehydration of o-hydroxymethylphenol and formation of quinone methide, Chemistry: a European Journal 2018, 24, 9426–9435. https://doi.org/10.1002/chem.201801543
  62. I. Rončević, P. Bibulić, H. Vančik, I. Biljan, Solution equilibria of aromatic dinitroso compounds: a combined NMR and DFT study, Structural Chemistry, 2018, 29, 1489–1497. https://doi.org/10.1007/s11224-018-1136-y
  63. T. Klačić, K. Varga, M. Kralj, I. Delač Marion, H. Vančik, I. Biljan, Insights into the self-assembly of aromatic dinitroso derivatives on gold surface, Colloids and surfaces A 2018, 552, 110–117. https://doi.org/10.1016/j.colsurfa.2018.05.024
  64. K. Varga, N. Lešić, B. Bogović, M. Pisačić, B. Panić, I. Biljan, I. Novak, and Hrvoj Vančik, Thermally-Induced Reactions of Aromatic Crystalline Nitroso Compounds, ChemSelect 2019, 4, 4709–4717. https://doi.org/10.1002/slct.201803866
  65. G. Gallo, A. Mihanović I. Rončević, R. Dinnebier, H. Vančik, Crystal structure and ON-OFF polymerization mechanism of poly (1,4-phenyleneazine-N,N-dioxide), a possible wide bandgap semiconductor, Polymer 2021, 214, 123235. https://doi.org/10.1016/j.polymer.2020.123235
  66. P. Bibulić, I. Rončević, M. Špadina, I. Biljan, and H. Vančik, Isothermal and Isoconversional Modeling of Solid-State Nitroso Polymerization, J. Phys. Chem. A 2020, 124, 10726–10735, https://dx.doi.org/10.1021/acs.jpca.0c08382 https://doi.org/10.1021/acs.jpca.0c08382
  67. K. Varga, H. Vančik, Z. Mihalić, Experimental and Theoretical IR Spectra of 2-Nitrosopyridine, Croat. Chem. Acta 2020, 93(4), 339–347. https://doi.org/10.5562/cca3820
  68. L. Matasović, B. Panić, M. Bubaš, H. Vančik, I. Biljan, I. Rončević, Modulating electronic properties of dinitrosoarene polymers, J. Material Chem. C 2022, 10, 5433–5446. https://doi.org/10.1039/D2TC00760F
  69. H. Vančik, From complexity to systems, Foundations of Chemistry 2022, 25, 345–358. https://doi.org/10.1007/s10698-022-09455-6
  70. L. Nuić, B. Panić, L. -K. Pereković, I. Šrut Rakić, M. Kralj, A. Mihanović, H. Vančik, I. Biljan, Polimerization of aromatic dinitroso derivatives initiated by nitroso-terminated monolayer on Au(111) surface: Insights from ellipsometry, AFM and nano FTIR spectroscopy. Polymer 2023, 271, 125795. https://doi.org/10.1016/j.polymer.2023.125795
  71. H. Vančik, Metaphysics of Systems: Complexity, Parent System, and the Graph-theoretical Interpretation of Chemical Reaction Mechanisms, Croat. Chem. Acta 2025, 98(2), 109–115. https://doi.org/10.5562/cca4161
  72. I. Biljan, H. Vančik, Aromatic C-nitroso compounds: From solid-state reactivity to new materials, ChemistrySelect 2025. https://doi.org/10.1002/slct.202504403