Ionization energy: Difference between revisions
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{{ | {{Final | ||
|acronym= | |||
|def='''ionization energy''', ''E<sub>i</sub>'' | |||
:''Deprecated'': [[ionization potential]]. | |||
Minimum energy required to remove an electron from a neutral atom or molecule in its ground state. | |||
:''Note 1'': [[Adiabatic ionization]] energy refers to the formation of the molecular [[ion]] in its ground vibrational state and vertical ionization energy applies to the transition to the [[molecular ion]] without change in geometry. | |||
:''Note 2'': This quantity was formerly called ionization potential. | |||
:''Note 3'': Second ionization energy is the energy required to remove the second electron from the singly charged ion. | |||
|rel= | |||
|ref={{obgb}} | |||
}} | }} | ||
<!-- Orange Book --> | |||
{{orange| | {{orange| | ||
This is the minimum energy of excitation of an atom, molecule or molecular moiety M required to remove an electron in order to produce a positive ion. | This is the minimum energy of excitation of an atom, molecule or molecular moiety M required to remove an electron in order to produce a positive ion. | ||
}} | }} | ||
[[Category:Ionization]] | [[Category:Ionization]] | ||
Latest revision as of 20:39, 4 April 2014
| IUPAC RECOMMENDATIONS 2013 |
| Ionization energy |
|---|
ionization energy, Ei
Minimum energy required to remove an electron from a neutral atom or molecule in its ground state.
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| Related Term(s): |
| Reference(s):
IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979. Compiled by J. Inczdy, T. Lengyel, A. M. Ure. Blackwell Scientific Publications, Oxford (1997). On-line corrected version: http://www.iupac.org /publications/analytical compendium (2000). IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. |
| From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013. |
Orange Book
| ORANGE BOOK DEFINITION
IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023) |
| Ionization energy |
|---|
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This is the minimum energy of excitation of an atom, molecule or molecular moiety M required to remove an electron in order to produce a positive ion. |
| IUPAC 1997 Orange Book Chapter 12 |
| Index of Orange Book Terms |
