bonding number

https://doi.org/10.1351/goldbook.B00703
The bonding number \(n\) of a @S05706@ is the sum of the total number of bonding equivalents (@V06588@ bonds) of that @S05706@ to adjacent skeletal atoms in a @P04405@, if any, and the number of attached hydrogen atoms, if any. Examples: SH2: for S, \(n=2\); SH6: for S, \(n=6\).
Source:
Blue Book Guide, p. 21 [Terms] [Book]
See also:
PAC, 1984, 56, 769. (Treatment of variable valence in organic nomenclature (lambda convention) (Recommendations 1983)) on page 774 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014