# THE PERMANENT ELECTRIC DIPOLE MOMENT OF LANTHANUM IMIDE, LaNH

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 Title: THE PERMANENT ELECTRIC DIPOLE MOMENT OF LANTHANUM IMIDE, LaNH Creators: Steimle, T. C.; Bousquet, Robert R.; Merer, A. J.; Rixon, Scott J. Issue Date: 2002 Publisher: Ohio State University Abstract: There are relatively few experimental determinations of permanent electric dipole moments of transition metal containing polyatomic molecules. Here, we report a study of numerous branch features in the $B^{2}\Sigma^{+}, 001 \leftarrow X^{2}\Sigma^{+}, 000$ band of LaNH using high-resolution optical Stark spectroscopy. A supersonic molecular beam sample was prepared by using a pulsed laser vaporization/reaction scheme in which lanthanum vapor was reacted with ammonia. Preliminary analysis of the Stark shifts results in $\mu = 2.2$ D for the $X^{2}\Sigma^{+}$ state and a much smaller value for the $B^{2}\Sigma^{+}$ state. A comparision with ScNH and the diatomic Group 3 metal oxides will be given. Description: Author Institution: Department of Chemistry and Biochemistry, Arizona State University; Department of Chemistry, University of British Columbia URI: http://hdl.handle.net/1811/20548 Other Identifiers: 2002-TA-06