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O que (quem) é 26-fullerene graph - definição
26-fullerene graph
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![12-bit distance labels for the 26-fullerene graph, in [[hexadecimal]]](https://commons.wikimedia.org/wiki/Special:FilePath/26fullerene distance labels.svg?width=200 "12-bit distance labels for the 26-fullerene graph, in [[hexadecimal]]")
In the mathematical field of graph theory, the 26-fullerene graph is a polyhedral graph with V = 26 vertices and E = 39 edges. Its planar embedding has three hexagonal faces (including the one shown as the external face of the illustration) and twelve pentagonal faces.
Null graph
GRAPH WITHOUT EDGES (ON ANY NUMBER OF VERTICES)
Empty tree; Empty graph; Null Graph; Null tree; Singleton graph; Edgeless graph; Order-zero graph
In the mathematical field of graph theory, the term "null graph" may refer either to the order-zero graph, or alternatively, to any edgeless graph (the latter is sometimes called an "empty graph").
fullerene
![60}}-''I''h)[5,6]fullereneCarbon numbering.](https://commons.wikimedia.org/wiki/Special:FilePath/Buckminsterfullerene-2D-skeletal numbered.svg?width=200 "60}}-''I''h)[5,6]fullereneCarbon numbering.")
![70}}-''D''5h(6))[5,6]fullereneCarbon numbering.](https://commons.wikimedia.org/wiki/Special:FilePath/C70fullerene-2D-skeletal numbered.svg?width=200 "70}}-''D''5h(6))[5,6]fullereneCarbon numbering.")
![70}}-''D''5h(6))[5,6]fullereneNon-equivalent bonds shown by different colours.](https://commons.wikimedia.org/wiki/Special:FilePath/C70fullerene-2D-skeletal numbered isobonds.svg?width=200 "70}}-''D''5h(6))[5,6]fullereneNon-equivalent bonds shown by different colours.")
![70}}-''D''5h(6))[5,6]fullerene.](https://commons.wikimedia.org/wiki/Special:FilePath/Cyclopropa12 C70fullerene-2D-skeletal renumbered.svg?width=200 "70}}-''D''5h(6))[5,6]fullerene.")
![70}}-''D''5h(6))[5,6]fullerene.](https://commons.wikimedia.org/wiki/Special:FilePath/Cyclopropa212 C70fullerene-2D-skeletal renumbered.svg?width=200 "70}}-''D''5h(6))[5,6]fullerene.")
![70}}-''D''5h(6))[5,6]fullerene-3’-yl)butyrate.](https://commons.wikimedia.org/wiki/Special:FilePath/PC71BM.svg?width=200 "70}}-''D''5h(6))[5,6]fullerene-3’-yl)butyrate.")
CLASS OF ALLOTROPES OF CARBON
Fullerenes; Fullerite; Fullerine; Fullerines; Bucky egg; Buckyegg; Organic fullerenes; C540; Higher fullerenes; C76 fullerene; C82 fullerene; C84 fullerene; Lower fullerenes; Higher fullerene; Lower fullerene; Smaller fullerene; Smaller fullerenes; C20 fullerene; Small fullerene; Small fullerenes; C28 fullerene
['f?l?ri:n]
¦ noun Chemistry a form of carbon having a molecule consisting of a large spheroidal cage of atoms, produced chiefly by the action of arc discharges between carbon electrodes.
Origin
1980s: contr. of buckminsterfullerene (the first known example).
