Paul Karr
Professor of Chemisty

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Visit my Academic page
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Teaching Interests
> General and Physical Chemistry
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Research Interests
> DFT and Ab-Initio Computational Chemistry with emphasis on the comparison of experimental data to computed molecular geometry, molecular energy, reaction thermodynamics, frontier molecular orbital energies and spatial orientation, electrostatic potential energy surfaces and UV/Vis Spectra.
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Contact Information
Department of Physical Sciences and Mathematics
Carhart Science 320, Wayne State College
1111 Main St , Wayne, NE 68787
Tel: +1(402)375-7518, Fax: +1(402)375-7441
Email: pakarr1@wsc.edu
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Education
> Ph.D.,Wichita State University, KS, 1993
> B.S., Missouri Southern State University - Joplin, MO, 1975
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Professional Activities/ Awards
> American Chemical Society
> Nebraska Academy of Science
> American Association of University Professors (AAUP)
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Recent Publications
> D'Souza, F.; Maligaspe,
E.; Karr, P.; Schumacher, A. L.; Ojaimi, M.
E.; Gros, C. P.; Barbe, J. M.; Ohkubo, K.; Fukuzumi,
S.; "Face-to-Face Held Paceman Type Porphyrin-Fullerene
Dyads: Design, Synthesis, Charge Transfer Interactions
and Photophysical Studies" Chemistry
European J. 2008, 14,
674-681.
> Youngshu Xie, Johnathan
P. Hill, Amy Lea Schumacher, Atula A. D. Sandanayaka,
Yasuyuki Araki, Paul A. Karr, Jan Labuta, Francis
D'Souza, Osamu Ito, Christopher E. Anson, Annie
K. Powell, and Katsuhiko; "Twisted Two-Faced
Porphyrins as Hosts for Bispyridyl Fullerenes:
Construction and Photophysical Properties"
J. Phys. Chem. C 2008,
112, 10559-10572.
> Francis D'Souza, Raghu
Chitta, Suresh Gadde, Lisa M. Rogers, Paul A.
Karr, Melvin E. Zandler, Atula S.D. Sandanayaka,
Yasuyaki Araki, and Osamu Ito. "Photosynthetic
Reaction Center Mimicry of a Special Pair Dimer
Linked to Electron Acceptors by a Supramolecular
Approach: Self-Assembled Cofacial Zinc Porphyrin
Dimer Complexed with Fullerene(s)" Chem.
Eur. J. 2007, 916-922
> Amy Lea Schumacher, Atula
S.D. Sandanayaka, Jonathan P. Hill, Katsuhiko
Ariga, Paul A. Karr, Yasuyuki Araki, Osamu Ito,
and Francis D'Souza. " Suprmolecular Triad
and Pentad COmposed of Zinc-Porphyrin(s), Oxoporphyrinogen,
and Fullerene(s): Design and Electron-Transfer
Studies" Chem. Eur. J. 2007, 4628-4635
> Karr, P.A.; Zandler,
M.E.; Beck, M.; Jaeger. J.D.; McCarty, A.L.;
Smith, P.M.; D'Souza, F. "Predicting the
Site of Electron Transfer Using DFT Frontier
Orbitals: Studies on Porphyrin Attached Either
to Quinone or Hydroquinone, and Quinhydrone
Self-Assembled Supramolecular Complexes" THEOCHEM
2006, 765, 91-103
> D'Souza, F.; Chitta, R.; Gadde, S.; McCarty, A.L.;
Karr, P.A.; Zandler, M.E.; Sansanyaka, A.S.D.;
Araki, Y.; Ito, O. "Design, Syntheses, and Studies of Supramolecular Porphyrin-Fullerene Conjugates, Using Bis-18-Crown-6 Appended Porphyrins and Pyridine or Alkyl Ammonium Functionalized Fullerenes" J. Phys. Chem. B 2006, 110, 5905-5913
> Hill, J.P.; Sansanyaka, A.S.D.; McCarty, A.L.;
Karr, P.A.; Zandler, M.E.; Charvet, R.; Ariga, K.;
Araki, Y.; Ito, O.; D'Souza, F. "A Novel Bis (Zinc-Porphyrin)-Osoporphyrinogen Donor-Acceptor Traid: Synthesis, Electrochemical, Computational and Photochemical Studies" Eur. J. Org. Chem. 2006, (3), 595-603
> Self-Assembled via Axial Coordination Magnesium Prophyrin-Imidazole Appended Fullerene Dyad: Spectroscopic, Electrochemical, Computational and Photochemical Studies J. Phys.Chem. B 2005, 109, 10107-10114
> Spectral, electrochemical and photophysical studies of a magnesium porphyrin-fullerene dyad Phys. Chem. Chem. Phys., 2005, 7, 3163-3171
> Electrochemical, Spectral and Computational Studies of Metalloporphyrin Dimers Fromed by Cation Complexation of Crown Ether Cavities Inorganic Chemistry, Vol. 43, No. 22, 2004 6969-6978
> Highly Nonplanar, Electron Deficient, N-Substituted tetra-Oxocyclohexadienylidene Porphyrinogens: Structural, Computational and Electrochemical Investigations J. Org. Chem. 2004, 69, 5861-5869 |