UV photolysis of N2O isotopomers: Isotopic fractionations and product rotational quantum state Distributions

Daud, M.N. (2011) UV photolysis of N2O isotopomers: Isotopic fractionations and product rotational quantum state Distributions. Chinese Journal of Chemical Physics, 24 (6). pp. 679-685.

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Abstract

The time-dependent quantum wave packet method is used to study the dynamics of the photodissociation processes for the isotopomers (NNO)-N-14-N-14-O-16, (NNO)-N-14-N-15-O-16, (NNO)-N-15-N-14-O-16, (NNO)-N-15-N-15-O-16, (NNO)-N-14-N-14-O-17 and (NNO)-N-14-N-14-O-18. In general, the computed isotopic fractionation factors derived from the absorption cross sections of five heavy isotopomers are in good agreement with the experimental results. Relative to the (NNO)-N-14-N-14-O-16 isotopomer, the N-2 rotational state distributions for the isotopically nitrogen substituted N2O are found to be entirely shifted to higher rotational states. Similar to its isotopic fractionation factors, the N-2 rotational state distributions for the asymmetric isotopomers (NNO)-N-14-N-15-O-16, (NNO)-N-15-N-14-O-16 are found to be observably different.

Item Type: Article
Funders: UNSPECIFIED
Subjects: Q Science > Q Science (General)
Depositing User: Dr Mohd Faizal Hamzah
Date Deposited: 07 Nov 2015 02:08
Last Modified: 07 Nov 2015 02:08
URI: http://eprints.um.edu.my/id/eprint/14619

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