Wikipedia

Stephen Kukolich

Stephen Kukolich, (born February 3, 1940) is an experimental physical chemist in the chemistry and biochemistry department at the University of Arizona. His primary research is high-resolution rotational spectroscopy to determine molecular structures and electronic properties of molecules and molecular complexes. The molecular spectroscopy research was published in 225 papers which were mentioned in 4300 citations (ResearchGate.[1]) and discussed in a few. Details of citations are given by Google Scholar[2] and Academictree.[3] The research was funded by the NSF 11 times beginning in 1970.[4]

Stephen G. Kukolich
BornFebruary 3, 1940
Appleton, Wisconsin
EducationMassachusetts Institute of Technology (MIT)
OccupationProfessor
EmployerUniversity of Arizona
Known forHigh Resolution Microwave Spectroscopy, Microwave measurements of structures of transition metal complexes. Structures of weakly-bound complexes.

Education and career edit

He entered MIT in 1958 and graduated in physics in 1962. He continued at MIT, graduating with a Sc.D. in physics in 1966. The thesis project was on accurate measurements of ammonia hyperfine structure with a high-resolution two-cavity maser spectrometer.[5] Ammonia microwave measurements by Kukolich were cited by P.T.P. Ho and Charles H. Townes in Annual Reviews of Astronomy and Astrophysics.[6] The two-cavity molecular beam maser was developed at MIT.[7] using the method of separated oscillating fields developed by Norman Ramsey. After 2 years as an instructor in physics, the following year was spent collaborating with Willis H. Flygare on molecular Zeeman effect measurements.[8] He returned to MIT, in the chemistry department, as assistant professor in 1969. He moved to the University of Arizona, chemistry department in 1974 and became a full professor in 1979.[9]

Research edit

Early research yielded accurate and precise measurements of ammonia, Pyramidal inversion frequencies and hyperfine structure,[5] using the two-cavity maser spectrometer[10] developed at MIT. The high resolution allowed measurements of deuterium quadrupole coupling for many small molecules.[11] Most of the published microwave structures for transition metal complexes were funded by the NSF[12][13] and measured by his microwave group at the University of Arizona, and reviewed by Caminati and Grabow [14] and Caminati.[15] A very large cavity Balle-Flygare spectrometer[16] was constructed at the University of Arizona, with support from the NSF.[17] The structures for many hydrogen-bonded complexes,[18] and other weakly-bound complexes,[19] were determined from the microwave spectra. It was shown that some hydrogen-bonded complexes are not simply static structures by measuring the concerted proton tunneling frequency for the formic acid - propiolic acid complex in a pulsed-beam spectrometer[20][21] This research has been reviewed.[22] The doubly hydrogen bonded complexes are of interest because of the similarity to the A-T base-pairs of DNA. This work was also supported by the NSF.[23] This microwave research is referenced 16 times by W. Gordy and R. L. Cook [24]

References edit

  1. ^ https://www.researchgate.net/profile/Stephen-Kukolich/stats
  2. ^ "Stephen Kukolich".
  3. ^ "Stephen G. Kukolich - Publications".
  4. ^ "NSF Award Search: Simple Search".
  5. ^ a b "Measurements of Ammonia Hyperfine Structure with a Two-Cavity Maser," S. G. Kukolich, Phys. Rev. 156, 83 (1967)
  6. ^ (P. T. P. Ho and C. H. Townes, Ann. Rev. Astron. Astrophys. 1983. 21: 239-70)
  7. ^ "Measurement of Hyperfine Structure of the J=3, K=2 Inversion Line of N14H3," S. G. Kukolich, Phys. Rev. 138, A 1322 (1965)
  8. ^ "Molecular g-Values, Magnetic Susceptibility Anisotropies, Second Moment of the Charge Distribution and Molecular Quadrupole Moments in Formic Acid," S. G. Kukolich and W. H. Flygare, J. Am. Chem. Soc. 91, 2433 (1969)
  9. ^ "Stephen Kukolich | cbc.arizona.edu". cbc.arizona.edu.
  10. ^ "Measurements of the 3-2 Inversion Frequency and Frequency Stability of a Two-Cavity Ammonia Maser," S. G. Kukolich, Proc. IEEE 56, 124 (1968).
  11. ^ "Deuterium Quadrupole Coupling in the Gas Phase," S.G. Kukolich, Mol. Phys. 29, 249 (1975).
  12. ^ "NSF Award Search: Award # 9634130 - Microwave Measurements of Structures and Other Properties of Transition Metal Complexes". www.nsf.gov.
  13. ^ "NSF Award Search: Award # 9983360 - Microwave Spectroscopy Measurements of Structures and Electronic Properties of Transition Metal Complexes". www.nsf.gov.
  14. ^ Walther Caminati, Jens-Uwe Grabow, Advancements in Microwave Spectroscopy,Frontiers and Advances in Molecular Spectroscopy,Chapter 17,Editor: Jaan Laane, Elsevier,2018, Pages 569-598, ISBN 9780128112205,https://doi.org/10.1016/B978-0-12-811220-5.00018-6.
  15. ^ W. Caminati, Microwave Spectroscopy of Large Molecules and Molecular Complexes, in Handbook of High Resolution Spectroscopy, edited by M. Quack and F. Merkt (John Wiley & Sons, Chichester, 2011), Vol. 2, Chap. 21, pp. 829–852. ISBN 9780470066539 https://doi.org/10.1002/9780470749593.hrs035
  16. ^ "Design, Construction and Testing of a Large-Cavity, 1-10 GHz Flygare-Balle Spectrometer,” Stephen G. Kukolich and Laszlo C. Sarkozy, Rev. Sci, Instrum., 82(9), DOI: 094103/1-094103/14 (2011)
  17. ^ "NSF Award Search: Award # 0809053 - Microwave Measurements of Structures and Electronic Properties of Transition Metal Complexes and Radicals". www.nsf.gov.
  18. ^ Bettens, F.L., Bettens, R.P.A., Bauder, A. (1995). Rotational spectroscopy of weakly bound complexes. In: Hollas, J.M., Phillips, D. (eds) Jet Spectroscopy and Molecular Dynamics. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1314-4_1
  19. ^ Novick, S.E. (1987). Bibliography of Rotational Spectra of Weakly Bound Complexes. In: Weber, A. (eds) Structure and Dynamics of Weakly Bound Molecular Complexes. NATO ASI Series, vol 212. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3969-1_15
  20. ^ Communications: “Evidence for proton tunneling from the microwave spectrum of the formic acid – propiolic acid dimer.” Adam M. Daly, P. R. Bunker and Stephen G. Kukolich, J. Chem. Phys. 132(20), DOI: 201101/1-201101/3, (2010).
  21. ^ “Microwave measurements of proton tunneling and structural parameters for the propiolic acid – formic acid dimer,” Adam M. Daly, Kevin O. Douglass, Laszlo C. Sarkozy, Justin L. Neill, Matt T. Muckle, Daniel P. Zaleski, Brooks H. Pate and Stephen G. Kukolich, J Chem. Phys., 135(15), DOI: 154304/1-154304/12 (2011)
  22. ^ Walther Caminati, Jens-Uwe Grabow,Chapter 17 - Advancements in Microwave Spectroscopy,Editor: Jaan Laane, Frontiers and Advances in Molecular Spectroscopy, Elsevier, 2018,569-598, https://doi.org/10.1016/B978-0-12-811220-5.00018-6
  23. ^ "NSF Award Search: Award # 8301187 - Measurements of the Structure and Properties of Weakly Bound Complexes Using a Pulsed-Beam Fabry-Perot Microwave Spectrometer (Chemistry)". www.nsf.gov.
  24. ^ W. Gordy, R. L. Cook in Techniques of Chemistry, Microwave Molecular Spectra (Volume 18), Published by Wiley-Interscience (1984), ISBN 0471086819
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