# Stark Spectroscopy of Refractory Molecules: The Permanent Dipole Moments of YH and HYN.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18166

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 Title: Stark Spectroscopy of Refractory Molecules: The Permanent Dipole Moments of YH and HYN. Creators: Hackett, P. A.; Simard, B.; Niki, H.; Balfour, W. J. Issue Date: 1990 Publisher: Ohio State University Abstract: The dipole moments of the HY molecule and the recently discovered HYN molecule in some of their electronic states have been measured by Stark spectroscopy in a molecular beam apparatus. Electric fields up to 16 kv/cm have been employed resulting in the complete resolution of Stark patterns even in the molecular states of $\Sigma$ syetry of HYN. The dipole moments were extracted by fitting the calculated to the experimental Stark splittings for several electric field strengths using a least-squares procedure. The calculated splittings were generated (when necessary) from the exact diagonalization of the appropriate Hamiltonian matrix. The derived values will be presented, discussed and compared (when available) with recent ab initio results. Description: Author Institution: Laser Chemistry Group, National Research Council of Canada; Laser Chemistry Group, National Research Council of Canada; Institute of Laser Engineering, Osaka University; Department of Chemistry, University of Victoria URI: http://hdl.handle.net/1811/18166 Other Identifiers: 1990-RC-12