Stereochemical consequences of bromine-for-halogen substitutions in the gas phase
Journal Article
·
· J. Phys. Chem.; (United States)
The stereochemistry of translationally excited bromine-for-halogen substitution was studied in gaseous 2(S)- and 2(R)- halopropionyl halides. Net inversion of configuration was observed for /sup 75/Br-for-X substitutions with a trend of increasing inversion as the displaced atom was varied in the series, X = F, Cl, Br. A correlation with previous studies on /sup 18/F-for-X and /sup 34m/Cl-for-X substitutions also showed increased inversion with increased mass of the displacing agent. In addition, these recoil atom substitutions showed an apparent independence from the free-energy requirement of reaction.
- Research Organization:
- Brookhaven National Lab., Upton, NY
- DOE Contract Number:
- AC02-76CH00016; FG02-84ER13231
- OSTI ID:
- 5035114
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 90:21; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400701* -- Radiochemistry & Nuclear Chemistry-- Hot-Atom Chemistry
ACYL RADICALS
BEAMS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BROMINE 75
BROMINE ISOTOPES
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CHEMISTRY
CHLORINE 34
CHLORINE ISOTOPES
DATA
DECOMPOSITION
ELECTRON CAPTURE RADIOISOTOPES
ENANTIOMORPHS
EXPERIMENTAL DATA
FLUORINE 18
FLUORINE ISOTOPES
HELIUM 3 BEAMS
HOURS LIVING RADIOISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
ION BEAMS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIGHT NUCLEI
MINUTES LIVING RADIOISOTOPES
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
ORGANIC BROMINE COMPOUNDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADICALS
RADIOISOTOPES
RADIOLYSIS
SECONDS LIVING RADIOISOTOPES
STEREOCHEMISTRY
YIELDS
400701* -- Radiochemistry & Nuclear Chemistry-- Hot-Atom Chemistry
ACYL RADICALS
BEAMS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BROMINE 75
BROMINE ISOTOPES
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CHEMISTRY
CHLORINE 34
CHLORINE ISOTOPES
DATA
DECOMPOSITION
ELECTRON CAPTURE RADIOISOTOPES
ENANTIOMORPHS
EXPERIMENTAL DATA
FLUORINE 18
FLUORINE ISOTOPES
HELIUM 3 BEAMS
HOURS LIVING RADIOISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
ION BEAMS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIGHT NUCLEI
MINUTES LIVING RADIOISOTOPES
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
ORGANIC BROMINE COMPOUNDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADICALS
RADIOISOTOPES
RADIOLYSIS
SECONDS LIVING RADIOISOTOPES
STEREOCHEMISTRY
YIELDS