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Experimental study of the reactions of Si+(2P) ions with several small organic molecules at near thermal energies

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Abstract

The kinetics of the reactions of ground state silicon ions Si+(2P) with C2H6, CH3OH, and CH3CH2OH has been investigated using a Selected Ion Flow Drift Tube technique (SIFDT). The reaction rate coefficients and the product distributions have been determined as functions of the reactant ion/reactant neutral average centre-of-mass kinetic energy (E CM).

The reactions studied are fast at thermal and near thermal energies and the reaction rate coefficients decrease by nearly one order of magnitude withE CM increasing up to a few eV. It is shown that the energy dependences of the measured reaction rate coefficients can be described by the function of the formk ≈ 1/[1+ (E CM/E CM1)m], whereE CM1 andm are parameters which can be determined from the experimental data. The results are interpreted in terms of a simple model assuming the reactions to proceed via the formation of long-lived complexes. These intermediate complexes decompose with unimolecular rate coefficientsk −1 andk 2 back to the reactants and forward to the products, respectively. The ratiosk −1/k 2 can be approximated for reactions studied by a power law functionk −1/k 2 ∞ (E CM)m.

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References

  1. Glosík J., Zakouřil P., and Lindinger W.: J. Chem. Phys.103 (1995) 6490.

    Article  ADS  Google Scholar 

  2. Glosík J., Zakouřil P., and Lindinger W.: Int. J. Mass Spec. Ion Proc.149/150 (1955) 499.

    Article  ADS  Google Scholar 

  3. Glosík J., Zakouřil P., and Lindinger W.: Int. J. Mass. Spec. Ion Proc.145 (1995) 155.

    Article  ADS  Google Scholar 

  4. Smith D. and Španěl P.: Acc. Chem. Res.25 (1992) 414.

    Article  ADS  Google Scholar 

  5. Smith D.: Chem. Rev.92 (1992) 1473.

    Article  Google Scholar 

  6. Srinivas R., Sülzle D., and Schwarz H.: Chem. Phys. Lett.175 (1990) 575.

    Article  ADS  Google Scholar 

  7. Srinivas R., Hrušák J., Sülzle D., Bohme D.K., Schwarz H.: J. Am. Chem. Soc.114 (1992) 2802.

    Article  Google Scholar 

  8. Flores J.R., Largo-Cabrerizo A., and Largo-Cabrerizo J.: J. Mol. Structure (Theochem.)148 (1986) 33.

    Article  Google Scholar 

  9. Largo-Cabrerizo A. and Flores J.R.: Int. J. Quantum Chemistry36 (1989) 241.

    Article  Google Scholar 

  10. Largo A., Barrientos C.: J. Chem. Phys.98 (12994) 3678.

  11. Yamaguchi Y. and Schaefer H.F. III: J. Chem. Phys.102 (1995) 5327.

    Article  ADS  Google Scholar 

  12. Lampe F.W.:in Interaction Between Ions and Molecules. NATO ASI (Ed. P. Ausloos), Plenum Press, New York, 1974.

    Google Scholar 

  13. Ferguson E.E., Fahey D.W., Fehsenfeld F.C., and Albritton D.L.: Planet. Space Sci.29 (1981) 307.

    Article  ADS  Google Scholar 

  14. Bohme D.K.: Int. J. Mass Spec. Ion Proc.100 (1990) 719.

    Article  Google Scholar 

  15. Bohme D.K.: Advances in Gas Phase Ion Chemistry1 (1992) 225.

    Google Scholar 

  16. Armentrout P.B.:in Structure/Reactivity and Thermochemistry of Ions (Eds. P. Ausloos and S.G. Lias), D. Reidel Publ. Comp., Dordrecht, 1986.

    Google Scholar 

  17. Armentrout P.B.: Advances in Gas Phase Ion Chemistry1 (1992) 225.

    Google Scholar 

  18. Anicich V.G.: J. Phys. Chem. Ref. Data22 (1993) 1469.

    Article  ADS  Google Scholar 

  19. Zakouřil P., Glosík J., Skalský V., and Lindinger W.: J. Phys. Chem.99 (1995) 15890.

    Article  Google Scholar 

  20. McDaniel E.W., Čermák V., Dalgarno A., Ferguson E.E., and Friedman L.: Ion-Molecule Reactions, Wiley-Interscience, John Wiley & Sons, New York, 1970.

    Google Scholar 

  21. Smith S.C., McEwan M.J., Giles K., Smith D., and Adams N.G.: Int. J. Mass Spec. Ion Proc.96 (1990) 77.

    Article  Google Scholar 

  22. Albritton D.L.:in Kinetics of ion-molecule reactions (Ed. P. Ausloos), Plenum Publ. Corp., New York, 1979.

    Google Scholar 

  23. Arnold S.T., Dressler R.A., Bastian M.J., Gardner J.A., and Murad E.: J. Chem. Phys.102 (1995) 6110.

    Article  ADS  Google Scholar 

  24. Su T. and Bowers M.T.: Int. J. Mass Spec. Ion Phys.12 (1973) 347.

    Article  Google Scholar 

  25. Su T. and Bowers M.T.: J. Chem. Phys.17 (1975) 309.

    Google Scholar 

  26. Futrell J.H.:in Gaseous Ion Chemistry and Mass Spectroscopy (Ed. J.H. Futrell), Wiley & Sons, New York, 1986.

    Google Scholar 

  27. Federer W., Ramler H., Villinger H., and Liindinger W.: Phys. Rev. Lett.54 (1985) 540.

    Article  ADS  Google Scholar 

  28. Wannier G.H.: Bell Syst. Tech. J.:32 (1953) 170.

    Google Scholar 

  29. Fahey D.W., Fehsenfeld F.C., Ferguson E.E., and Viehland L.A.: J. Chem. Phys.75 (1981) 669.

    Article  ADS  Google Scholar 

  30. Adams N.G. and Smith D.:in Techniques for the study of ion-molecule reactions (Eds. J.M. Farrar and W.H. Saunders, Jr.), John Wiley & Sons, New York, 1988.

    Google Scholar 

  31. Glosík J., Rakshit A.B., Twiddy N.D., Adams N.G., and Smith D.: J. Phys. B11 (1978) 3365.

    Article  ADS  Google Scholar 

  32. Wlodek S., Fox A., and Bohme D.K.: J. Am. Chem. Soc.113 (1991) 4461.

    Article  Google Scholar 

  33. Boo B.H. and Armentrout P.B.: J. Am. Chem. Soc.113 (1991) 6421.

    Article  Google Scholar 

  34. Wlodek S., Fox A., and Bohme D.K.: J. Am. Chem. Soc.109 (1987) 6663.

    Article  Google Scholar 

  35. Fox A., Wlodek S., Hopkinson A.C., Lien M.H., Sylvain M., Rodriquez C., and Bohme D.K.: J. Phys. Chem.93 (1989) 1549.

    Article  Google Scholar 

  36. Fox A. and Bohme D.K.: Chem. Phys. Lett.187 (1991) 541.

    Article  ADS  Google Scholar 

  37. Glosík J., Smith D., Španěl P., Freysinger W., and Lindinger W.: Int. J. Mass Spec. Ion Proc.129 (1993) 131.

    Article  ADS  Google Scholar 

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This work was supported in part by the Fonds zur Förderung der Wissenschaftlichen Forschung under project No. 10014, in part by the Grant Agency of the Czech Republic under project No. 94/0449, and by Charles University, Prague, under project No. GA UK 179/1996.

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Glosík, J., Zakouřil, P. & Lindinger, W. Experimental study of the reactions of Si+(2P) ions with several small organic molecules at near thermal energies. Czech J Phys 48, 29–44 (1998). https://doi.org/10.1023/A:1021236212910

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  • DOI: https://doi.org/10.1023/A:1021236212910

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