Deuterium shifts in the high resolution photoelectron spectra of acetaldehyde

Journal Article · Mon Mar 15 00:00:00 EST 1976 · J. Chem. Phys., v. 64, no. 6, pp. 2549-2551

DOI:https://doi.org/10.1063/1.432506· OSTI ID:4051838

Cvitas, T; Gusten, H; Klasinc, L

By comparing the high-resolution photoelectron spectra of acetaldehyde and three of its deuterated derivatives (CH$sub 3$CDO, CD$sub 3$CHO, and CD$sub 3$CDO) in the first system (X), the assignment of six vibrational modes in the ground state of the acetaldehyde ion was possible. The vibronic structure of this system is very sensitive to deuteration of the CH$sub 3$ or CHO group, showing that the active vibrations include complex motions of all the hydrogen atoms in acetaldehyde. The most prominent vibrations are the CH bending and CH$sub 3$ deformation modes which reveal that the oxygen lone pair electrons play an important role in determining the bond angles in the acetaldehyde ion. (AIP)

• Research Organization: Kernforschungszentrum Karlsruhe, Institut fur Radiochemie, 75 Karlsruhe, Federal Republic of Germany
• Sponsoring Organization: USDOE
• NSA Number: NSA-33-028497
• OSTI ID: 4051838
• Journal Information: J. Chem. Phys., v. 64, no. 6, pp. 2549-2551, Other Information: Orig. Receipt Date: 30-JUN-76
• Country of Publication: United States
• Language: English

Related Subjects

N40220* -Chemistry-Inorganic
Organic
& Physical Chemistry-Isotopic Effects
400202* -Chemistry-Inorganic & Physical Chemistry-Isotope Effects
*DEUTERIUM- ISOTOPE EFFECTS
ACETALDEHYDE
EMISSION SPECTRA
PHOTOIONIZATION
SPECTRAL SHIFT