Difference between revisions of "Dichlorine monoxide"

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{{chembox
 
{{chembox
 
| IUPACName = Oxygen dichloride
 
| IUPACName = Oxygen dichloride
| OtherNames = Hypochlorous anhydride
+
| OtherNames = Chlorine(I) oxide<br/>Hypochlorous anhydride<br/>Dichlorooxidane<br/>Dichloridooxygen
 
| Section1 = {{Chembox Identifiers
 
| Section1 = {{Chembox Identifiers
 
|  ChemSpiderID = 23048
 
|  ChemSpiderID = 23048
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|  Density =  
 
|  Density =  
 
|  Appearance = yellow-brown gas
 
|  Appearance = yellow-brown gas
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  }}
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| Section3 = {{Chembox Structure
 +
|  Reference = <ref name="v1">{{citation | first1 = Yunjie | last1 = Xu | first2 = A. R. W. | last2 = McKellar | first3 = James B. | last3 = Burkholder | first4 = J. J. | last4 = Orlando | title = High-Resolution Infrared Spectrum of the ν<sub>1</sub> and ν<sub>3</sub> Bands of Dichlorine Monoxide, Cl<sub>2</sub>O | journal = J. Mol. Spectrosc. | volume = 175 | issue = 1 | pages = 68–72 | year = 1996 | doi = 10.1006/jmsp.1996.0010}}.</ref>
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|  MolShape = bent: ''r''(Cl–O)&nbsp;= 170.13&nbsp;pm, ''θ''(Cl–O–Cl)&nbsp;= 110.89°
 
   }}
 
   }}
 
| Section4 = {{Chembox Thermochemistry
 
| Section4 = {{Chembox Thermochemistry
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|  OtherFunctn = [[Chlorine dioxide]]<br/>[[Dichlorine hexaoxide]]<br/>[[Dichlorine heptaoxide]]
 
|  OtherFunctn = [[Chlorine dioxide]]<br/>[[Dichlorine hexaoxide]]<br/>[[Dichlorine heptaoxide]]
 
|    Function = [[oxides of chlorine]]
 
|    Function = [[oxides of chlorine]]
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|  OtherCpds = [[Hypochlorous acid]]
 
   }}
 
   }}
 
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Revision as of 10:45, 1 January 2011

Dichlorine monoxide
IUPAC name Oxygen dichloride
Other names Chlorine(I) oxide
Hypochlorous anhydride
Dichlorooxidane
Dichloridooxygen
Identifiers
InChI InChI=1/Cl2O/c1-3-2
InChIKey RCJVRSBWZCNNQT-UHFFFAOYAA
Standard InChI InChI=1S/Cl2O/c1-3-2
Standard InChIKey RCJVRSBWZCNNQT-UHFFFAOYSA-N
CAS number [7791-21-1]
EC number 232-243-5
ChemSpider 23048
Properties[1][2]
Chemical formula Cl2O
Molar mass 86.905 g mol−1
Appearance yellow-brown gas
Melting point

−120.6 °C (152.6 K)

Boiling point

2.0 °C (275.2 K)

Structure[3]
Molecular geometry bent: r(Cl–O) = 170.13 pm, θ(Cl–O–Cl) = 110.89°
Thermochemistry[4]
Std enthalpy of formation ΔfHo298 +87.86 kJ mol−1
Standard molar entropy So298 267.89 J K−1 mol−1
Related compounds
Other cations Difluorine monoxide
Dibromine monoxide
Other oxides of chlorine Chlorine dioxide
Dichlorine hexaoxide
Dichlorine heptaoxide
Other compounds Hypochlorous acid
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Dichlorine monoxide, Cl2O, is a binary compound of oxygen and chlorine.

Notes and references

Notes

References

  1. Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 989–90. ISBN 0-08-022057-6.
  2. CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-93. ISBN 0-8493-0462-8.
  3. Xu, Yunjie; McKellar, A. R. W.; Burkholder, James B.; Orlando, J. J. High-Resolution Infrared Spectrum of the ν1 and ν3 Bands of Dichlorine Monoxide, Cl2O. J. Mol. Spectrosc. 1996, 175 (1), 68–72. DOI: 10.1006/jmsp.1996.0010.
  4. Dichlorine monoxide. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/Cl2O/c1-3-2>. (accessed 31 December 2010).

External links

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