Publication | Closed Access
Magnetic Rotation and Absorption Spectra of <i>cis</i> and <i>trans</i> Acrolein
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0
References
1971
Year
Magnetic ResonanceChemistryMagnetic Rotation SpectrumSpectra-structure CorrelationMagnetismNuclear Quadrupole ResonanceElectron Paramagnetic ResonanceMagnetic RotationBiophysicsPhysicsBiochemistryPhysical ChemistryQuantum ChemistryM AtmMagnetic Resonance SpectroscopyNatural SciencesSpectroscopyMedicineA″ State
Six bands have been observed in the magnetic rotation spectrum of acrolein at 4040, 4069, 4122, 4178, 4220, and 4322 Å. The first five bands are assigned to the 3 A″– 1 A′ (π*–n) transition of trans acrolein with the 0–0 band at 4122 Å. The sixth band at 4322 Å is assigned as the 0–0 band of the 3 A″– 1 A′ (π*–n) transition of the cis (or gauche) isomer. The 3 A″ state of the cis (or gauche) isomer lies below the corresponding state of the trans isomer by a similar interval to that found earlier for the 1 A″ (π*–n) states. The reverse situation exists for the ground states.The absorption spectrum has also been reinvestigated using up to 30 m atm of gas in a cell heated to 180 °C. New assignments are given for some of the bands.