Dichlorine trioxide

Dichlorine trioxide^[1]
Names
	IUPAC name dichlorine trioxide
	Other names chlorine trioxide; chlorine chlorate; chlorine(I,V) oxide
Identifiers
CAS Number	17496-59-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	11514723 ;
PubChem CID	167661;
CompTox Dashboard (EPA)	DTXSID90938601 ;
	InChI InChI=1S/Cl2O3/c1-5-2(3)4 Key: SAUMVKNLVQDHMJ-UHFFFAOYSA-N ; InChI=1/Cl2O3/c1-5-2(3)4 Key: SAUMVKNLVQDHMJ-UHFFFAOYAS;
	SMILES ClOCl(=O)=O;
Properties
Chemical formula	Cl2O3
Molar mass	118.903 g/mol
Appearance	dark brown solid
Melting point	explodes below 0 °C
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Dichlorine trioxide, Cl₂O₃, is a chlorine oxide. It is a dark brown solid discovered in 1967 which is explosive even below 0 °C.^[2] It is formed by the low-temperature photolysis of ClO₂ and is formed along with Cl₂O₆, Cl₂ and O₂. Its structure is believed to be OCl−ClO₂ with possible isomers such as Cl−O−ClO₂.^[3] The isomer having a structure of OCl–O–ClO would be the theoretical anhydride of chlorous acid.

References

^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–51. ISBN 0-8493-0594-2.
^ N. N. Greenwood and A. Earnshaw (1997). Chemistry of the Elements. Butterworth-Heinemann. ISBN 978-0750633659.
^ Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0-12-352651-5

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[hand-1] Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–51. ISBN 0-8493-0594-2.

[2] N. N. Greenwood and A. Earnshaw (1997). Chemistry of the Elements. Butterworth-Heinemann. ISBN 978-0750633659.

[Wiberg&Holleman-3] Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0-12-352651-5

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v t e Chlorine compounds
Chlorides and acids	HCl HClO HClO₂ HClO₃ HClO₄ HSO₃Cl BaClF BCl₃ CCl₄ SiCl₄ TiCl₄ C₃H₅Cl
Chlorine fluorides	ClF ClF₃ ClF₅
Chlorine oxides	ClO ClO₂ Cl₂O Cl₂O₂ Cl₂O₃ Cl₂O₄ Cl₂O₅ Cl₂O₆ Cl₂O₇ ClO₄
Chlorine oxyfluorides	ClOF ClOF₃ ClO₂F ClOF₅ (predicted) ClO₂F₃ ClO₃F
Chlorine(I) derivatives	ClNO₃ ClSO₃F ClN₃ Cl₃N