Cuneane

Cuneane
Names
	Preferred IUPAC name Pentacyclo[3.3.0.02,4.03,7.06,8]octane
Identifiers
CAS Number	20656-23-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	124127 ;
PubChem CID	140734;
CompTox Dashboard (EPA)	DTXSID20942857 ;
	InChI InChI=1S/C8H8/c1-2-5(1)6-3-4(6)8(2)7(1)3/h1-8H Key: YIJMEXRVJPVGIY-UHFFFAOYSA-N ;
	SMILES C12C3C4C3C5C1C2C45;
Properties
Chemical formula	C8H8
Molar mass	104.152 g·mol−1
Density	1.578 g/ml
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cuneane (from Latin cuneus 'wedge') is a saturated hydrocarbon with the formula C₈H₈ and a 3D structure resembling a wedge, hence the name. Cuneane may be produced from cubane by metal-ion-catalyzed σ-bond rearrangement. Similar reactions are known for homocubane (C₉H₁₀) and bishomocubane (C₁₀H₁₂).

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