Radical reactions in the radiolysis of cyclopentane

Journal Article · Thu Mar 09 00:00:00 EST 1995 · Journal of Physical Chemistry; (United States)

DOI:https://doi.org/10.1021/j100010a030· OSTI ID:6455500

Wojnarovits, L; LaVerne, J A ^[1]

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1. Univ. of Notre Dame, IN (United States)

The end products produced in the [gamma]-radiolysis of cyclopentane have been measured at very low total doses (25-50 krad). Iodine scavenging techniques in solutions of 0.1-30 mM were used to elucidate radical yields and reaction mechanisms. The yields of the main radical species were found to be as follows: cyclopentyl, 4.9; 1-pentyl, 0.2; 3-cyclopentenyl, 0.07; H atom, 1.3 radical/100 eV. The change in yields from neat cyclopentane to 0.1 mM iodine solution suggests that about 79% of the cyclopentyl radicals escape the spur and react in the bulk medium with a disproportionation to combination ratio of 0.97. Radical precursors account for about 50% of the total end product yield, which is much smaller than found in the radiolysis of cyclohexane or cyclooctane. The radiolysis mechanism for cyclopentane is discussed and compared to those for cyclohexane and cyclooctane. 41 refs., 5 figs., 2 tabs.

• OSTI ID: 6455500
• Journal Information: Journal of Physical Chemistry; (United States), Vol. 99:10; ISSN 0022-3654
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
CYCLOALKANES
RADIOLYSIS
CHEMICAL REACTION KINETICS
GAMMA RADIATION
IODINE
PENTYL RADICALS
RADICALS
ALKANES
ALKYL RADICALS
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ELEMENTS
HALOGENS
HYDROCARBONS
IONIZING RADIATIONS
KINETICS
NONMETALS
ORGANIC COMPOUNDS
RADIATION EFFECTS
RADIATIONS
REACTION KINETICS
400201* - Chemical & Physicochemical Properties
400600 - Radiation Chemistry