Ring and double bond equivalent: Difference between revisions
From Mass Spec Terms
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|def='''Deprecated''': [[rings plus double bonds]]. | |def='''Deprecated''': [[rings plus double bonds]]. | ||
Conventional measure of the degree of unsaturation of an organic molecule given by X | Conventional measure of the degree of unsaturation of an organic molecule given by X - Y/2 + | ||
Z/2 + 1 where X is the number of carbon atoms, Y is the number of hydrogen or halogen atoms and Z is the number of nitrogen and phosphorus atoms. | Z/2 + 1 where X is the number of carbon atoms, Y is the number of hydrogen or halogen atoms and Z is the number of nitrogen and phosphorus atoms. | ||
|rel= | |rel= | ||
Latest revision as of 13:40, 22 March 2021
| IUPAC RECOMMENDATIONS 2013 |
| Ring and double bond equivalent |
|---|
| Deprecated: rings plus double bonds.
Conventional measure of the degree of unsaturation of an organic molecule given by X - Y/2 + Z/2 + 1 where X is the number of carbon atoms, Y is the number of hydrogen or halogen atoms and Z is the number of nitrogen and phosphorus atoms. |
| Related Term(s): |
| Reference(s):
F. W. McLafferty, F. Turecek. Interpretation of Mass Spectra, University Science Books, Mill Valley, CA (1993). E. Schymanski, C. Meinert, M. Meringer, W. Brack. Anal. Chim. Acta 615, 136 (2008). (http://dx.doi.org/10.1016/j.aca.2008.03.060 ) |
| From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013. |
