Award Abstract #0239805
CAREER: Octahedral Hexanuclear Clusters: Fundamental Studies and Inquiry Into Potential Applications

NSF Org:	CHE Division of Chemistry
Initial Amendment Date:	January 3, 2003
Latest Amendment Date:	May 27, 2005
Award Number:	0239805
Award Instrument:	Continuing grant
Program Manager:	Carol A. Bessel CHE Division of Chemistry MPS Directorate for Mathematical & Physical Sciences
Start Date:	June 1, 2003
Expires:	May 31, 2009 (Estimated)
Awarded Amount to Date:	$495000
Investigator(s):	Lisa Szczepura lfszcze@ilstu.edu (Principal Investigator)
Sponsor:	Illinois State University North and School Streets Normal, IL 61790 309/438-2528
NSF Program(s):	PHYSICAL INORGANIC
Field Application(s):
Program Reference Code(s):	AMPP,9161,7202,1187,1045
Program Element Code(s):	1968

ABSTRACT

This CAREER award by the Inorganic, Bioinorganic and Organometallic Chemistry program supports research by Dr. Lisa Szczepura at Illinois State University on fundamental studies of hexanuclear octahedral molybdenum cluster complexes. The studies are aimed at probing two fundamentally important reactions of these complexes, ligand substitution and reduction-oxidation. An understanding the redox chemistry of the proposed aqua cluster complexes is likely to lead to the discovery of novel oxidants. In addition, the ability to predict substitution trends and generate linked hexanuclear cluster complexes together will enable the preparation of new solids based on the hexanuclear molybdenum unit with rigid spacer units which should provide room for molecules or ions to intercalate and deintercalate. Overall, these data are crucial to the future use of these cluster complexes in applications such as catalysis and materials chemistry.

The educational component of this project involves the training and mentoring of women and underrepresented minorities. The PI proposes to run enrichment workshops that parallel the general chemistry sequence; these workshops will be available to students who are members of the Illinois Louis Stokes Alliance for Minority Participation (ILSAMP). Students from underrepresented groups will be recruited from these workshops as well as from other classes to conduct undergraduate research in the PI's laboratory. By providing financial support to graduate and undergraduate students, the PI hopes to provide an environment where learning and mentoring are at the forefront. Increasing the number of chemistry graduates from such underrepresented groups is crucial to increasing diversity in the field of chemistry and in generating a workforce that is capable of solving the complex scientific problems facing society.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Lash, T. D.; Colby, D. A.; Szczepura, L. F..  "New Riches in Carbaporphyrin Chemistry: Silver and Gold Organometallic Complexes of Benzocarbaporphyrins,"  Inorganic Chemistry,  v.43,  2004,  p. 5258.

Lisa F. Szczepura, Meghan K. Oh, Stanley A. Knott.  "Synthesis and Electrochemical Study of the First Tetrazolate Hexanuclear Rhenium Cluster Complex,"  Chemical Communcations,  2007,  p. 4617.

Stevenson, C. D.; Reiter, R. C.; Szczepura, L. F.; Peters, S. J..  "Polycyclooctatetraeneoxy Alkane Polyanionic Polyradicals,"  Journal of the American Chemical Society,  v.127,  2005,  p. 421.


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