Abstract
The laser photoelectron spectra of CrH−, CoH−, and NiH− and the analogous deuterides are reported. The spectra are interpreted using a qualitative description of the electronic structure for the hydrides. This model is used to assign off-diagonal transitions in the photodetachment to low-spin states of the neutrals, and diagonal transitions to high-spin states of the neutrals. These data are used to identify the high-spin states of CoH and NiH; several other states of CrH, CoH, and NiH are also identified. Periodic trends in the bond lengths, vibrational frequencies, and electronic excitation energies for the MnH through NiH molecules are examined. Electron affinities are reported for CrH (0.563±0.010 eV), CoH (0.671±0.010 eV), and NiH (0.481±0.007 eV), and the corresponding deuterides.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:10 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 1:20 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 11, 2024, 5:38 a.m.) |
Issued | 38 years ago (Aug. 1, 1987) |
Published | 38 years ago (Aug. 1, 1987) |
Published Print | 38 years ago (Aug. 1, 1987) |
@article{Stevens_Miller_1987, title={Laser photoelectron spectroscopy of CrH−, CoH−, and NiH−: Periodic trends in the electronic structure of the transition-metal hydrides}, volume={87}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.453214}, DOI={10.1063/1.453214}, number={3}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Stevens Miller, Amy E. and Feigerle, C. S. and Lineberger, W. C.}, year={1987}, month=aug, pages={1549–1556} }