Crossed-beam studies of electron transfer to oriented trichloronitromethane, CCl(3)NO(2), molecules

The Journal of Chemical Physics
Peter W Harland, Philip R Brooks

Abstract

Fast potassium atoms donate an electron to CCl(3)NO(2) molecules to form K(+) ions and the negative ions O(-), Cl(-), NO(2) (-), CCl(3) (-), CCl(2)NO(2) (-), CCl(3)NO(-), and CCl(3)NO(2) (-). Threshold energies are measured for these ions and electron affinities for CCl(2)NO(2) (-), CCl(3)NO(-), and CCl(3)NO(2) (-) are estimated to be 2.35, 2.35, and 1.89 eV (+/-0.6 eV), respectively. The threshold energies show that the C-N and N-O bonds are substantially weaker than in nitromethane. The CCl(3)NO(2) molecules are oriented before the collision and at energies near 2.5 eV the electron appears to transfer to the pi( *) (NO) orbital forming the parent negative ion, CCl(3)NO(2) (-), which is stabilized by interacting with the K(+) donor. As the collision energy increases the parent negative ion fragments and the orientation dependence of the fragment ions helps understand the fragmentation pathway.

References

Nov 15, 2002·Journal of the American Chemical Society·Beike JiaPhilip R Brooks
Oct 23, 2003·Journal of the American Chemical Society·Peter W Harland, Philip R Brooks
Apr 6, 2006·Journal of the American Chemical Society·Philip R BrooksCrystal E Redden
Apr 8, 2006·The Journal of Physical Chemistry. a·Philip R BrooksCrystal E Redden
Nov 29, 2007·Journal of the American Chemical Society·Philip R BrooksJack F Tate
Dec 24, 2009·The Journal of Physical Chemistry. a·Philip R Brooks

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Citations

Sep 17, 2016·The Journal of Chemical Physics·Po-Yu Tsai

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Methods Mentioned

BETA
electron diffraction

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