Isomeric effects in the gas-phase reactions of dichloroethene, C2H2CL2, with a series of cations

The Journal of Physical Chemistry. a
Victor MikhailovChris A Mayhew

Abstract

A study of the reactions of a series of gas-phase cations (NH(4)(+), H(3)O(+), SF(3)(+), CF(3)(+), CF(+), SF(5)(+), SF(2)(+), SF(+), CF(2)(+), SF(4)(+), O(2)(+), Xe(+), N(2)O(+), CO(2)(+), Kr(+), CO(+), N(+), N(2)(+), Ar(+), F(+), and Ne(+)) with the three structural isomers of dichloroethene, i.e., 1,1-C(2)H(2)Cl(2), cis-1,2-C(2)H(2)Cl(2), and trans-1,2-C(2)H(2)Cl(2) is reported. The recombination energy (RE) of these ions spans the range of 4.7-21.6 eV. Reaction rate coefficients and product branching ratios have been measured at 298 K in a selected ion flow tube (SIFT). Collisional rate coefficients are calculated by modified average dipole orientation (MADO) theory and compared with experimental data. Thermochemistry and mass balance have been used to predict the most feasible neutral products. Threshold photoelectron-photoion coincidence spectra have also been obtained for the three isomers of C(2)H(2)Cl(2) with photon energies in the range of 10-23 eV. The fragment ion branching ratios have been compared with those of the flow tube study to determine the importance of long-range charge transfer. A strong influence of the isomeric structure of dichloroethene on the products of ion-molecule reactions has been observed for H...Continue Reading

References

Sep 1, 2004·Journal of the American Society for Mass Spectrometry·Mijin KimMyung Soo Kim
Jul 15, 2006·The Journal of Physical Chemistry. a·Chris R HowleRichard P Tuckett

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Citations

Oct 14, 2007·Physical Chemistry Chemical Physics : PCCP·Michael A ParkesChris A Mayhew
Mar 24, 2021·The Journal of Physical Chemistry. a·Yaya ZhiShan Xi Tian
Jan 23, 2009·Analytical Chemistry·Gregory J FrancisMurray J McEwan
Aug 30, 2008·The Journal of Physical Chemistry. a·Victor A MikhailovChris A Mayhew
Jul 17, 2012·The Journal of Physical Chemistry. a·Matthew J Simpson, Richard P Tuckett

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