Gomberg's dimer

Gomberg's dimer
Names
	Other names 3-triphenylmethyl-6-diphenylmethylidene-1,4-cyclohexadiene
Identifiers
CAS Number	18909-18-7;
3D model (JSmol)	Interactive image;
ChemSpider	123721;
PubChem CID	140290;
CompTox Dashboard (EPA)	DTXSID10894912;
	InChI InChI=1S/C38H30/c1-6-16-30(17-7-1)37(31-18-8-2-9-19-31)32-26-28-36(29-27-32)38(33-20-10-3-11-21-33,34-22-12-4-13-23-34)35-24-14-5-15-25-35/h1-29,36H Key: FWSYACUVHKGULL-UHFFFAOYSA-N;
	SMILES C1=CC=C(C=C1)C(=C2C=CC(C=C2)C(C3=CC=CC=C3)(C4=CC=CC=C4)C5=CC=CC=C5)C6=CC=CC=C6;
Properties
Chemical formula	C38H30
Molar mass	486.658 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Gomberg's dimer is a quinoid dimer of triphenylmethyl radical. Some of it dissociates to the triphenylmethyl radical in organic solvent.^[1]

References

^ Pangia, Thomas M.; Davies, Casey G.; Prendergast, Joshua R.; Gordon, Jesse B.; Siegler, Maxime A.; Jameson, Guy N. L.; Goldberg, David P. (28 March 2018). "Observation of Radical Rebound in a Mononuclear Nonheme Iron Model Complex". Journal of the American Chemical Society. 140 (12): 4191–4194. doi:10.1021/jacs.7b12707. PMC 6047074. PMID 29537258.