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- W4239448973 abstract "The microwave spectrum of N-methyl ethyleneimine has been studied in the region 8 to 28 GHz, and the following rotational constants have been obtained for the ground state: A=16443.15 MHz, B=7219.84 MHz, C=6152.69 MHz. Stark-effect measurements led to dipole-moment components of μa=0.07±0.02 D μc=1.234±0.015 D, and a total dipole moment of 1.236±0.02 D. Internal rotation splittings were observed in the v=1 torsional state and gave a barrier to internal rotation of 3462±35 cal/mole. The quadrupole coupling constants of 14N in the inertial axis system were found to be: χaa=3.35, χbb=0.63, and χcc=−3.98±0.02 MHz. The molecular structure has been described, and the previously mentioned results have been discussed with regard to other existing data. A tentative estimate has been made of the quadrupole coupling constants in the field-gradient principal-axis system." @default.
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- W4239448973 date "1967-09-15" @default.
- W4239448973 modified "2023-09-24" @default.
- W4239448973 title "Microwave Spectra of Nitrogen-Containing Molecules. II. Structure, Dipole Moment, Quadrupole Coupling Constants, and Barrier to Internal Rotation of <i>N</i>-Methyl Ethyleneimine" @default.
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- W4239448973 doi "https://doi.org/10.1063/1.1712217" @default.
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