# CONFORMATIONAL ANALYSIS OF ALLYLIRONTRICARBONYLBROMIDE FROM THE ROTATIONAL SPECTRUM

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 Title: CONFORMATIONAL ANALYSIS OF ALLYLIRONTRICARBONYLBROMIDE FROM THE ROTATIONAL SPECTRUM Creators: Drouin, Brian J.; Dannemiller, Jennifer J.; Kukolich, Stephen G. Issue Date: 1999 Publisher: Ohio State University Abstract: Microwave spectra of two structural isomers of allylirontricarbonylbromide were recorded using Fourier transform microwave spectroscopy. Pure rotational transitions for both a' and c' type dipole moments were measured for the endo' isomer, whereas a' and b' type dipole moments were measured for the syn' isomer. Condensed, near symmetric top spectra were obtained for all a' type transitions, but the b' and c' type transitions were spread throughout the spectrum. Quadrupole coupling due to the $^{79}Br$ and $^{81}Br$ nuclei was observed. Comparison of the quadrupole coupling tensors of the isomers reveals greater anisotropy in the electric field gradient near the Br nucleus in the syn' isomer. The present data allows a partial structure determination and comparison of the properties of the two isomers. Description: Author Institution: Department of Chemistry, University of Arizona URI: http://hdl.handle.net/1811/19271 Other Identifiers: 1999-MH-07