PUBLICATIONS
  1. ``An Ab Initio Study of Substituent Effects on the Excited States of Purine Derivatives", E. Mburu and S. Matsika, J. Phys. Chem. A, accepted, (2008)
  2. ``On the Electronically Excited States of Uracil", E. Epifanovsky, K. Kowalski, P.-D. Fang, M. Valiev, S. Matsika, A. I. Krylov, J. Phys. Chem. A, 112, 9983-9992, (2008)
  3. ``Three-State Conical Intersections in Cytosine and Pyrimidinone Bases", K. A. Kistler and S. Matsika, J. Chem. Phys., 128, 215102, (2008)
  4. ``Interpreting Ultrafast Molecular Fragmentation Dynamics with ab initio Calculations", C. Trallero, B. J. Pearson, T. Weinacht, K. Gilliard and S. Matsika, J. Chem. Phys., 128, 124107, (2008) doi:10.1063/1.2850524
  5. ``Two and three state conical intersections in uracil cation radical", S. Matsika, Chem. Phys., 349,356-362, (2008) (invited article for the special issue in honor of H. Lischka) doi:10.1016/j.chemphys.2008.02.027
  6. ``2-Aminopurine Excited State Electronic Structure Measure by Stark Spectroscopy", G. Kodali, K. A. Kistler, S. Matsika and R. J. Stanley, J. Chem. Phys. B, 112, 1789-1795, (2008) doi:http://dx.doi.org/10.1021/jp076374x
  7. ``Excited Electronic States and Photophysics of Uracil-Water Complexes", A. Yoshikawa and S. Matsika, Chem. Phys., 347, 393-404, (2008) (invited article for the special issue in honor of W. Domcke) doi:10.1016/j.chemphys.2007.09.059
  8. ``Inclusion of Second-order Correlation Effects for the Ground and Singly Excited States Suitable for the Study of Conical Intersections: the CIS(2) Model", Chem. Phys. Lett., D. Laikov and S. Matsika, 448,132-137, (2007) doi:10.1016/j.cplett.2007.09.051
  9. ``Cytosine in Context: A Theoretical Study of Substituent Effects on the Excitation Energies of 2-Pyrimidinone Derivatives'', K. A. Kistler and S. Matsika, J. Phys. Chem. A , 111, 8708-8716, (2007) doi:10.1021/jp074361d
  10. ``6MAP, a fluorescent adenine analogue, is a probe of base flipping by DNA photolyase'', K. Yang, S. Matsika and R. J. Stanley, J. Phys. Chem. B, 111, 10615-10625, (2007) doi:10.1021/jp071035p
  11. ``Radiationless Decay Mechanism of Cytosine: An Ab Initio Study with Comparisons to the Fluorescent Analogue 5-Methyl-2-Pyrimidinone", K. A. Kistler and S. Matsika, J. Phys. Chem. A, 111, 2650-2661, (2007) doi:10.1021/jp0663661
  12. ``The Fluorescence Mechanism of 5-Methyl-2-Pyrimidinone: An Ab Initio Study of a Fluorescent Pyrimidine Analog", K. A. Kistler and S. Matsika, Photochemistry and Photobiology , 83, 611-624,, (2007) doi:10.1562/2006-04-03-RA-866
  13. ``Conical intersections in Molecular Systems'', S. Matsika, Rev. Comp. Chem. 23 , 83, (2007)
  14. ``A Combined Multireference Configuration Interaction/Molecular Dynamics Approach for Calculating Solvatochromic Shifts: Application to the nO -> pi* Electronic Transition in Formaldehyde", Z. Xu and S. Matsika, J. Phys. Chem. A, 110, 12035-12043, (2006) doi:10.1021/jp064520d
  15. ``Excited Electronic States of the Cyclic Isomers of O3 and SO2", R. Elliot, R. Compton, R. J. Levis, and S. Matsika, J. Phys. Chem. A, 109, 11304 - 11311, (2005) doi:10.1021/jp054455s
  16. ``Three-state Conical Intersections in Nucleic Acid Bases " , J. Phys. Chem. A., S. Matsika , 109, 7538-7545, (2005). doi:10.1021/jp0513622
  17. ``Radiationless Decay of Excited States of Uracil through Conical Intersections " , J. Phys. Chem. A., S. Matsika , 108, 7584-7590, (2004). doi:10.1021/jp048284n
  18. ``Quantitative Detection of Singlet O2 via Cavity Enhanced Absorption" , Optics Letters ., S. Williams, M. Gupta, T. Owano, D. S. Baer, A. O'Keefe, D. R. Yarkony and S. Matsika , 29, 1066-1068, (2004).
  19. ``Conical Intersections of Three Electronic States Affect the Ground State of Radical Species with Little or No Symmetry: Pyrazolyl" , J. Amer. Chem. Soc., S. Matsika and D. R. Yarkony, 125, 12428-12429, (2003).
  20. ``Beyond Two-State Conical Intersections. Three-State Conical Intersections in Low Symmetry Molecules: the Allyl Radical ", J. Amer. Chem. Soc., S. Matsika and D. R. Yarkony, 125, 10672-10676, (2003).
  21. `` Photodissociation of the Vinoxy Radical through Conical, and Avoided, Intersections'', S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 7198-7206, (2002).
  22. `` Accidental Conical Intersections of Three States of the Same Symmetry. I. Location and Relevance'', S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 6907-6910, (2002).
  23. ``Spin-Orbit Coupling and Conical Intersections . IV. A Perturbative Determination of the Electronic Energies, Derivative Couplings and a Rigorous Diabatic Representation near a Conical Intersection. The General Case", S. Matsika and D. R. Yarkony, J. Phys. Chem. B, 106, 8108-8116, (2002).
  24. ``Conical Intersections and the Nonadiabatic Reactions H2O+O(3P ) -> OH(A )+OH(X )", S. Matsika and D. R. Yarkony, J. Chem. Phys., 117, 3733-3740, (2002).
  25. ``Conical Intersections and the Spin-Orbit Interaction", S. Matsika and D. R. Yarkony, The Role of Degenerate States in Chemistry: A Special Volume of Advances in Chemical Physics, 124, 557-581, (2002).
  26. ``Intersecting Conical Intersection Seams: their Location, Representation, and Effect on Local Topography", S. Matsika and D. R. Yarkony, J. Phys. Chem. A, 106, 2580-2591, (2002).
  27. ``Spin-Orbit Coupling and Conical Intersections in Molecules with an Odd Number of Electrons. III. A Perturbative Determination of the Electronic Energies, Derivative Couplings and a Rigorous Diabatic Representation near a Conical Intersection", S. Matsika and D. R. Yarkony, J. Chem. Phys., 116, 2825-2835, (2002).
  28. ``On the Effects of Spin-Orbit Coupling on Conical Intersection Seams in Molecules with an Odd Number of Electrons. II. Characterizing the Local Topography of the Seam", S. Matsika and D. R. Yarkony, J. Chem. Phys., 115, 5066-5075, (2001).
  29. ``On the Effects of Spin-Orbit Coupling on Conical Intersection Seams in Molecules with an Odd Number of Electrons. I. Locating the Seam", S. Matsika and D. R. Yarkony, J. Chem. Phys., 115, 2038-2050, (2001).
  30. ``Electronic Structure and Spectra of Actinyl Ions", S. Matsika, Z. Zhang, S. R. Brozell, J.-P. Blaudeau, Q. Wang, and R. M. Pitzer, J. Phys. Chem. A, 105, 3825-3828, (2001).
  31. ``Actinyl Ions in Cs2UO2Cl4 ", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 105, 637-645, (2001).
  32. ``Intensities in the Spectra of Actinyl Ions", S. Matsika, R. M. Pitzer and D. T. Reed, J. Phys. Chem. A, 104, 11983-11992, (2000).
  33. ``The Electronic Spectrum of the NpO22+ and NpO2+ Ions", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 104, 4064-4068, (2000).
  34. ``Atomic Orbital Basis Sets for Use with Effective Core Potentials", J.-P. Blaudeau, S. R. Brozell, S. Matsika, Z. Zhang and R. M. Pitzer, Int. J. Quantum Chem., 77, 516-520, (2000).
  35. ``Spin-Orbit Splittings in Mg+-Neutral Complexes", S. Matsika and R. M. Pitzer, J. Phys. Chem. A, 102, 1652-1656, (1998).
  36. ``Ab Initio Study of the Ground and Several Excited States of the NLi System", S. Matsika, A. Papakondylis and A. Mavridis, Chem. Phys. Lett., 250, 409-414, (1996).