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Dicarbon monoxide

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Title: Dicarbon monoxide  
Author: World Heritage Encyclopedia
Language: English
Subject: Oxocarbon, Sulfur dioxide, Carbon monoxide, 1,3,5-Trioxanetrione, 1,3-Dioxetanedione
Collection: Carbenes, Oxocarbons
Publisher: World Heritage Encyclopedia

Dicarbon monoxide

Dicarbon monoxide
Stick model of dicarbon monoxide Spacefill model of dicarbon monoxide
Ball and stick model of dicarbon monoxide
CAS number  YesY
PubChem  YesY
ChemSpider  YesY
Jmol-3D images Image 1
Molecular formula C2O
Molar mass 40.02 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY   YesY/N?)

Dicarbon monoxide (C2O) is an extremely reactive molecule that contains two carbon atoms and one oxygen atom. Dicarbon monoxide, covalently bonded, is a product of the photolysis of carbon suboxide.[1][2] It is closely related to CO, CO2 and C3O2, and other oxocarbons.

C3O2 → CO + C2O

It is stable enough to observe reactions with NO and NO2.[3]


  1. ^ Bayes, K. (1961). "Photolysis of Carbon Suboxide".  
  2. ^ Anderson, D. J.; Rosenfeld, R. N. (1991). "Photodissociation of Carbon Suboxide".  
  3. ^ Thweatt, W. D.; Erickson, M. A.; Hershberger, J. F. (2004). "Kinetics of the CCO + NO and CCO + NO2 reactions".  
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