| NSF Org: |
CHE Division Of Chemistry |
| Recipient: |
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| Initial Amendment Date: | August 15, 2000 |
| Latest Amendment Date: | March 28, 2002 |
| Award Number: | 0078899 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Alfons Weber
CHE Division Of Chemistry MPS Directorate for Mathematical and Physical Sciences |
| Start Date: | August 1, 2000 |
| End Date: | July 31, 2003 (Estimated) |
| Total Intended Award Amount: | $278,000.00 |
| Total Awarded Amount to Date: | $283,537.00 |
| Funds Obligated to Date: |
FY 2001 = $88,037.00 FY 2002 = $82,500.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
660 S MILL AVENUE STE 204 TEMPE AZ US 85281-3670 (480)965-5479 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
660 S MILL AVENUE STE 204 TEMPE AZ US 85281-3670 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): |
Chemical Instrumentation, SPECTROSCOPY |
| Primary Program Source: |
01000102DB NSF RESEARCH & RELATED ACTIVIT app-0102 |
| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.049 |
ABSTRACT
Timothy Steimle of Arizona State University is supported by a grant from the Experimental Physical Chemistry Program with which he is using optical absorption spectroscopy to study early transition metal containing radicals and magnesium organometallic radicals. The radicals will be generated in the supersonic expansion of a laser ablated metal source and the species detected using high resolution LIF and a proposed transient frequency modulation spectrometer. These techniques will be used to obtain hyperfine structure of these species and permanent electric dipole moments. Dipole moments will be obtained for the TiCH and VCH known radicals. MgOH, MgCH3, MgCCH, TiCH and CuOH will be studied and searches will be made for hydroxide, imide and thiol radicals containing early transition metals. These data are a stringent test of theory involving electron correlation.
This detailed spectroscopy study of transition metal containing compounds will provide high resolution spectra from which fundamental information on permanent electric dipoles of the compounds will be obtained. This will be used to test state of the art theories which are in the development phase for these difficult species. The data are also widely applicable to organometallic, analytical and high temperature chemistry and to stellar atmospheres and the interstellar medium.
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