Deuterium effect on the T/sub 1/-state lifetime of propanal vapor: support for three classes of alkyl aldehydes
Journal Article
·
· J. Phys. Chem.; (United States)
Reciprocal lifetimes, extrapolated to zero pressure (tau/sub 0//sup -1/), and rate constants of self-quenching (k/sub q/) for propanal and propanal-d/sub 1/ have been measured with a flash (laser)-sensitized biacetyl phosphorescence technique. Both tau/sub 0//sup -1/ and k/sub q/ decrease with deuteration. The 4.4-fold reduction in tau/sub 0//sup -1/ is intermediate in size and is consistent with a previously proposed classification scheme for alkyl aldehydes and ketones.
- Research Organization:
- Davidson College, NC
- OSTI ID:
- 7005506
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 90:22; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Intermediate-sized deuterium effect on T/sub 1/. -->. S/sub 0/ intersystem crossing in acetaldehyde
Position dependent deuterium effects on the phosphorescence lifetime of phenanthrene
Photoreactions of biacetyl, benzophenone, and benzil with electron-rich alkenes
Journal Article
·
Thu Aug 02 00:00:00 EDT 1984
· J. Phys. Chem.; (United States)
·
OSTI ID:6455503
Position dependent deuterium effects on the phosphorescence lifetime of phenanthrene
Journal Article
·
Tue Feb 15 23:00:00 EST 1977
· J. Am. Chem. Soc.; (United States)
·
OSTI ID:7310333
Photoreactions of biacetyl, benzophenone, and benzil with electron-rich alkenes
Journal Article
·
Tue Feb 17 23:00:00 EST 1987
· J. Am. Chem. Soc.; (United States)
·
OSTI ID:6948592
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400202 -- Isotope Effects
Isotope Exchange
& Isotope Separation
400500* -- Photochemistry
ALDEHYDES
CHEMICAL REACTION KINETICS
DATA
DE-EXCITATION
DEUTERIUM
DYE LASERS
ENERGY LEVELS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXPERIMENTAL DATA
FLUIDS
GASES
HYDROGEN ISOTOPES
INFORMATION
ISOTOPE EFFECTS
ISOTOPES
KINETICS
LASERS
LIFETIME
LIGHT NUCLEI
LIQUID LASERS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
P STATES
RADIATIONLESS DECAY
REACTION KINETICS
STABLE ISOTOPES
400202 -- Isotope Effects
Isotope Exchange
& Isotope Separation
400500* -- Photochemistry
ALDEHYDES
CHEMICAL REACTION KINETICS
DATA
DE-EXCITATION
DEUTERIUM
DYE LASERS
ENERGY LEVELS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXPERIMENTAL DATA
FLUIDS
GASES
HYDROGEN ISOTOPES
INFORMATION
ISOTOPE EFFECTS
ISOTOPES
KINETICS
LASERS
LIFETIME
LIGHT NUCLEI
LIQUID LASERS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
P STATES
RADIATIONLESS DECAY
REACTION KINETICS
STABLE ISOTOPES