首页> 外文期刊>journal of chemical physics >Nearhyphen;resonant electronic energy transfer: Initial rotational state populations of NO(Athinsp;2Sgr;+,vprime;=0,1) produced by energy transfer from Zn(1P1)
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Nearhyphen;resonant electronic energy transfer: Initial rotational state populations of NO(Athinsp;2Sgr;+,vprime;=0,1) produced by energy transfer from Zn(1P1)

机译:Nearhyphen;resonant electronic energy transfer: Initial rotational state populations of NO(Athinsp;2Sgr;+,vprime;=0,1) produced by energy transfer from Zn(1P1)

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The complete initial distribution of product vibrational and rotational state populations for the following energy transfer process has been determined for Boltzmann conditions at sim;550deg;K.: The initial population distribution of NO(Athinsp;2Sgr;+,vprime;=1) rotational levels is remarkably consistent with that predicted by the Crossndash;Gordon version of nearhyphen;resonant dipolendash;dipole theory, except that a minor (sim;7percnt;) Boltzmannhyphen;like population must be included for satisfactory simulation of the sensitized NO ggr; (1,X) band spectra in the frequency regions dominated by transitions originating from lower rotational levels. The initial rotational level population distribution of NO (Athinsp;2Sgr;+,vprime;=0) is very similar to a Boltzmann population distribution at sim;1400deg;K. The rate of production of NO(Athinsp;2Sgr;+,vprime;=1) is sim;10 times that of NO(Athinsp;2Sgr;+,vprime;=0). Efficient rsquo;rsquo;nearhyphen;resonantrsquo;rsquo; dipolendash;dipole interactions appear, therefore, to constitute the dominant mechanism for electronic energy transfer in this particular system. Production of NO(Athinsp;2Sgr;+,vprime;=0), and possibly the lower rotational levels of NO(Athinsp;2Sgr;+,vprime;=1), likely result from a minor competing mechanism. A Zn+NOminus;chargehyphen;transfer surface crossing is suggested as one possibility.

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