Microwave Spectra of the First-Excited Torsional States and Barrier to Internal Rotation of Dimethylamine

Rotational spectra in the first-excited torsional states of a number of isotopic species of dimethylamine have been assigned. Internal rotation splittings were observed and have been used to calculate a barrier of 3.22 ± 0.02 kcal mole−1. Inversion splittings differ significantly from those observed...

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Veröffentlicht in:	J. Chem. Phys. 54: 532-9(15 Jan 1971) 1971-01, Vol.54 (2), p.532-539
Hauptverfasser:	Wollrab, James E., Laurie, Victor W.
Format:	Artikel
Sprache:	eng
Schlagworte:	AMINES DEUTERIUM DEUTERIUM/effects on microwave spectra of first-excited torsional states of dimethylamine DIMETHYLAMINE/spectra of first-excited torsional states of, effects of deuterium and nitrogen-15 on microwave ENERGY LEVELS EXCITATION ISOTOPE EFFECTS METHYL RADICALS MICROWAVES N20220 -Chemistry-Inorganic, Organic, & Physical Chemistry-Isotopic Effects NITROGEN 15 NITROGEN ISOTOPES N-15/effects on microwave spectra of first-excited torsional states of dimethylamine SPECTRA TORSION
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Beschreibung
Zusammenfassung:	Rotational spectra in the first-excited torsional states of a number of isotopic species of dimethylamine have been assigned. Internal rotation splittings were observed and have been used to calculate a barrier of 3.22 ± 0.02 kcal mole−1. Inversion splittings differ significantly from those observed in the ground state spectra while 14N quadrupole effects are unchanged within experimental error.
ISSN:	0021-9606 1089-7690
DOI:	10.1063/1.1674874