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

13965-73-6

3D model (JSmol)

Interactive image

123165

139653

InChI=1S/B2F4/c3-1(4)2(5)6

Key: WUWOPJNIAKTBSJ-UHFFFAOYSA-N

FB(F)B(F)F

Properties

Chemical formula

B₂F₄

97.616 g/mol

Appearance

Colorless gas

4.3 kg/m³ (gas)

−56 °C (−69 °F; 217 K)

−34 °C (−29 °F; 239 K)

Thermochemistry

Specific
heat capacity (C)

79.1 J/mol K

Std molar
entropy (S^o₂₉₈)

317.3 J/mol K

Std enthalpy of
formation (Δ_fH^o₂₉₈)

-1440.1 kJ/mol

Gibbs free energy (Δ_fG˚)

-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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