# DIODE LASER VELOCITY MODULATION SPECTROSCOPY OF CARBANIONS: THE C=C STRETCHING: MODE OF ACETYLIDE ($C_{2}H^{-}$)

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 Title: DIODE LASER VELOCITY MODULATION SPECTROSCOPY OF CARBANIONS: THE C=C STRETCHING: MODE OF ACETYLIDE ($C_{2}H^{-}$) Creators: Gruebele, M.; Polak, M.; Saykally, R. J. Issue Date: 1987 Publisher: Ohio State University Abstract: Ten lines in the $C=C$ stretching vibration of $C_{2}H^{-}$ have been assigned and fit with a linear molecule Hamiltonian. The molecular constants are remarkably close to those of neutral $C_{2}H$, except for the vibrational band origin, which lies $87 cm^{-1}$ below the neutral radical band origin. This is in keeping with the expected lower electron density between the carbons in $C_{2}H^{-}$. Description: Author Institution: Department of Chemistry, University of California URI: http://hdl.handle.net/1811/17291 Other Identifiers: 1987-RE-8