Naphthanthrone

Naphthanthrone is an organic carbon based molecule formed of five rings, of which four are benzene rings, joined in the shape of the Olympic rings.

Naphthanthrone

Names
IUPAC name 6H-Benzo[cd]pyrene-6-one
Other names pentacyclo[13.3.1.0^5,18.0^8,17.0^11,16]nonadeca-1,3,5(18),6,8(17),9,11(16),12,14-nonaen-19-one
Identifiers
CAS Number	3074-00-8
3D model (JSmol)	Interactive image
ChemSpider	17293
PubChem CID	18310
UNII	M9WAZ0827H
CompTox Dashboard (EPA)	DTXSID60184759
InChI InChI=1S/C19H10O/c20-19-14-5-1-3-11-7-9-13-10-8-12-4-2-6-15(19)17(12)18(13)16(11)14/h1-10H Key: CLIKSBRDCNSYNO-UHFFFAOYSA-N
SMILES O=C5c2cccc1ccc4c(c12)c3c5cccc3cc4
Properties
Chemical formula	C19H10O
Molar mass	254.288 g·mol^−1
Appearance	Pale yellow needles
Density	1.397 g/cm^3
Structure[1]
Crystal structure	orthorhombic
Space group	P212121, No. 19
Lattice constant	a = 17.315 Å, b = 3.973 Å, c = 17.392 Å
Formula units (Z)	4
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The compound can be synthesized by the condensation of pyrene and glycerol in sulfuric acid. Its crystals belong to the orthorhombic crystal system.[1]

See also

• Olympicene

References

1. S.Fujisawa, I.Oonishi, J.Aoki and S.Iwashima (1976). "The Crystal and Molecular Structure of Naphthanthrone". Bull. Chem. Soc. Jpn. 49 (12): 3454. doi:10.1246/bcsj.49.3454.CS1 maint: multiple names: authors list (link)