Difference between revisions of "Nomenclature of boranes"
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==Compositional nomenclature== | ==Compositional nomenclature== | ||
| + | A neutral [[boron]] [[hydride]] is called a [[borane]], and is a [[parent hydride]] for nomenclature purposes. The number of boron atoms in the borane is indicated by the normal [[multiplicative prefix]]es, while the number of hydrogen atoms is given in Arabic numberals in parentheses immediately after the name.<ref name="RedBook"/> For example: | ||
| + | *[[diborane(6)]], B<sub>2</sub>H<sub>6</sub> | ||
| + | *[[tetraborane(10)]], B<sub>4</sub>H<sub>10</sub> | ||
| + | *[[pentaborane(9)]], B<sub>5</sub>H<sub>9</sub> | ||
==References== | ==References== | ||
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[[Category:Chemical nomenclature|Boranes]] | [[Category:Chemical nomenclature|Boranes]] | ||
| + | [[Category:Boranes|ν]] | ||
{{CC-BY-3.0}} | {{CC-BY-3.0}} | ||
Revision as of 17:07, 2 May 2010
The nomenclature of boranes, and of related species such as carboranes, is a specialized subset of inorganic nomenclature, due to the unique variety of structures adopted by boranes.
Even in simple compositional nomenclature, it is necessary to specify both the number of boron atoms and the number of hydrogen atoms. It is also common to specify the structural type by means of a prefix which relates the structure of the boron cluster to a closed deltahedron with missing vertices. Finally, a full structural description must specify which boron–boron "edges" are bridged by hydrogen atoms, which requires a systematic numbering system for the cluster atoms.[1]
Compositional nomenclature
A neutral boron hydride is called a borane, and is a parent hydride for nomenclature purposes. The number of boron atoms in the borane is indicated by the normal multiplicative prefixes, while the number of hydrogen atoms is given in Arabic numberals in parentheses immediately after the name.[1] For example:
- diborane(6), B2H6
- tetraborane(10), B4H10
- pentaborane(9), B5H9
References
- ↑ 1.0 1.1 Nomenclature of Inorganic Chemistry; IUPAC Recommendations 2005; Royal Society of Chemistry: Cambridge, 2005; pp 89–94. ISBN 0-85404-438-8, <http://www.iupac.org/publications/books/rbook/Red_Book_2005.pdf>.
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