Electron affinity: Difference between revisions

From Mass Spec Terms
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{{Def2|
{{Final
The electron affinity of M is the minimum energy required for the process  
|acronym= E<sub>EA</sub>
 
|def=Minimum energy required for a species M to be formed in the process M<sup></sup> &rarr; M + ''ewhere M<sup></sup> and M are in their ground rotational, vibrational, and electronic states and the electron has zero translational energy.
:M<sup>-</sup> &rarr; M + e  
|rel=
 
|ref= {{obgb}}
where M<sup>-</sup> and M are in their ground rotational, vibrational and electronic states and the electron has zero translational energy.
}}
 
{{rev5|
For a species M, minimum energy required for the process
 
 
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#[[Orange Book]]
#[[Gold Book]]
}}
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{{asms|
{{asms|
Enthalpy change for the process M-  ?   M + e-.
Enthalpy change for the process M-  &rarr;   M + e-.
}}
}}



Revision as of 12:48, 3 January 2014