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Green Bank Telescope Detection of New Interstellar Aldehydes: Propenal and Propanal
The new interstellar molecules propenal (CH2CHCHO) and propanal (CH3CH2CHO) have been detected largely in absorption toward the star-forming region Sagittarius B2(N) by means of rotationalExpand
The Gas-Phase Formation of Methyl Formate in Hot Molecular Cores
Methyl formate, HCOOCH3, is a well-known interstellar molecule prominent in the spectra of hot molecular cores. The current view of its formation is that it occurs in the gas phase from precursorExpand
The Millimeter- and Submillimeter-Wave Spectrum of Glycolaldehyde (CH 2 OHCHO)
The simplest monosaccharide, glycolaldehyde (CH2OHCHO), has recently been detected toward the Galactic center in the source Sgr B2(N) at five frequencies from 71-104 GHz. None of the individual linesExpand
Microwave spectrum, conformational equilibrium, 14 N quadrupole coupling constants, dipole moment, vibrational frequencies and quantum chemical calculations for acrylamide
Abstract The microwave spectrum of acrylamide (CH 2 CHCONH 2 ) has been investigated in the 20.0–60.5 GHz spectral region at room temperature. Two conformers were assigned. The most stable rotamer isExpand
Microwave spectra of isotopic glycolaldehydes, substitution structure, intramolecular hydrogen bond and dipole moment
Abstract The microwave spectra of 13 CH 2 OH-CHO, CH 2 OH- 13 CHO, and CH 2 OH-CH 18 O are reported and have been used in combination with previously published data on other monosubstitutedExpand
Searches for new interstellar molecules, including a tentative detection of aziridine and a possible detection of propenal.
Rotational spectroscopy at millimeter wavelengths is a powerful means of investigating the chemistry of dense interstellar clouds. These regions can exhibit an interesting complement of gas phaseExpand
Microwave spectrum and dipole moment of glycolaldehyde
Abstract The microwave spectrum of glycolaldehyde, CH 2 OH-CHO, has been measured and the rotational and centrifugal distortion constants of the ground and three vibrational excited states have beenExpand
Microwave spectrum of 2-aminooxazole, a compound of potential prebiotic and astrochemical interest.
The microwave spectrum in the 26.6-80 GHz spectral range of 2-aminooxazole, which may have played a potential role in the prebiotic generation of pyrimidine ribonucleotides, is reported. A largeExpand
Rotational spectrum of butyronitrile: dipole moment, centrifugal distortion constants and energy difference between conformers
Abstract The molecular rotational spectrum of butyronitrile has been investigated in the vibrational ground state up to 300 GHz. High J transitions have been measured for the two isomers and fittedExpand
The microwave spectrum of the C3 sugars: glyceraldehyde and 1,3-dihydroxy-2-propanone and the dehydration product 2-hydroxy-2-propen-1-al
The triose sugars with empirical formula, C3H6O3, consist of the aldehyde form, glyceraldehyde, and the ketone form, 1,3-dihydroxy-2-propanone. Recently, the simplest sugar, glycolaldehyde (CH2OHCHO)Expand