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Diboron tetrafluoride

Diboron tetrafluoride
Stick model of diboron tetrafluoride
Space-filling model of the diboron tetrafluoride molecule
Names
Preferred IUPAC name
Diboron tetrafluoride
Systematic IUPAC name
Tetrafluorodiborane
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
Properties
B2F4
Molar mass 97.616 g/mol
Appearance Colorless gas
Density 4.3 kg/m3 (gas)
Melting point −56 °C (−69 °F; 217 K)
Boiling point −34 °C (−29 °F; 239 K)
Thermochemistry
79.1 J/mol K
317.3 J/mol K
-1440.1 kJ/mol
-1410.4 kJ/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Diboron tetrafluoride is a colorless gas. It can be formed by reacting boron monofluoride with boron trifluoride at low temperatures, taking care not to form higher polymers.



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