Difference between revisions of "Oxygen difluoride"
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| Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
| − | | Reference = <ref>{{RubberBible62nd|page=B-126}}.</ref> | + | | Reference = <ref name="G&E">{{Greenwood&Earnshaw1st|pages=748–49}}.</ref><ref>{{RubberBible62nd|page=B-126}}.</ref><ref>{{citation | last = Streng | first = Alex G. | title = Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature | journal = J. Chem. Eng. Data | year = 1971 | volume = 16 | issue = 3 | pages = 357–59 | doi = 10.1021/je60050a024}}.</ref> |
| Formula = OF<sub>2</sub> | | Formula = OF<sub>2</sub> | ||
| MolarMass = 55.996 g mol<sup>−1</sup> | | MolarMass = 55.996 g mol<sup>−1</sup> | ||
| − | | MeltingPt = −223.8 °C | + | | MeltingPt = −223.8 °C (49.4 K) |
| − | | BoilingPt = | + | | BoilingPt = −145.3 °C (127.9 K) |
| Density = 1.90 g cm<sup>−3</sup> (liquid, −223.8 °C) | | Density = 1.90 g cm<sup>−3</sup> (liquid, −223.8 °C) | ||
| Appearance = colourless gas | | Appearance = colourless gas | ||
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| − | '''Oxygen difluoride''', OF<sub>2</sub>, sometimes known as '''difluorine monoxide''', is the most stable of the binary compounds of [[oxygen]] and [[fluorine]].<ref name="G&E" | + | '''Oxygen difluoride''', OF<sub>2</sub>, sometimes known as '''difluorine monoxide''', is the most stable of the binary compounds of [[oxygen]] and [[fluorine]].<ref name="G&E"/> |
==Notes and references== | ==Notes and references== | ||
Revision as of 07:02, 31 December 2010
| Oxygen difluoride | |
|---|---|
| Identifiers | |
| InChI | InChI=1/F2O/c1-3-2 |
| InChIKey | UJMWVICAENGCRF-UHFFFAOYAI |
| Standard InChI | InChI=1S/F2O/c1-3-2 |
| Standard InChIKey | UJMWVICAENGCRF-UHFFFAOYSA-N |
| CAS number | [] |
| EC number | |
| ChemSpider | |
| Properties[1][2][3] | |
| Chemical formula | OF2 |
| Molar mass | 55.996 g mol−1 |
| Appearance | colourless gas |
| Density | 1.90 g cm−3 (liquid, −223.8 °C) |
| Melting point |
−223.8 °C (49.4 K) |
| Boiling point |
−145.3 °C (127.9 K) |
| Thermochemistry[4] | |
| Std enthalpy of formation ΔfH |
+24.52 kJ mol−1 |
| Standard molar entropy S |
247.46 J K−1 mol−1 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Oxygen difluoride, OF2, sometimes known as difluorine monoxide, is the most stable of the binary compounds of oxygen and fluorine.[1]
Notes and references
Notes
References
- ↑ 1.0 1.1 Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 748–49. ISBN 0-08-022057-6.
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-126. ISBN 0-8493-0462-8.
- ↑ Streng, Alex G. Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature. J. Chem. Eng. Data 1971, 16 (3), 357–59. DOI: 10.1021/je60050a024.
- ↑ Difluorine monoxide. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/F2O/c1-3-2>. (accessed 31 December 2010).
External links
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See also the corresponding article on Wikipedia. |
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