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INFRARED SPECTRUM OF PROPARGYL AMINE AT $10 \mu$m: PROTON TUNNELING AND CONFORMATIONAL INTERCHANGE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18509

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Title: INFRARED SPECTRUM OF PROPARGYL AMINE AT $10 \mu$m: PROTON TUNNELING AND CONFORMATIONAL INTERCHANGE
Creators: Andrews, Anne M.; Fraser, G. T.; Pate, Brooks H.
Issue Date: 1993
Abstract: The infrared spectrum of propargyl amine $(H-C=C-CH_{2}-NH_{2})$ at $10 \mu$m has been observed using an electric resonance optothermal spectrometer with a $CO_{2}$ laser microwave-sideband source. Three bands were measured and each exhibited doubled transitions with 3:1 relative intensity ratios. The doublets are interpreted as arising from a interal rotation-inversion tunneling process which interchanges the two amine protons. In all three bands the magnitude of the tunneling splitting shows a strong K- and a small J-dependence. Two of the bands show slight perturbations while the third is severely perturbed.
URI: http://hdl.handle.net/1811/18509
Other Identifiers: 1993-RB-2
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