Diboron tetrafluoride

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Diboron tetrafluoride
Stick model of diboron tetrafluoride
Identifiers
CAS number 13965-73-6
PubChem 139653 YesY
ChemSpider 123165 YesY
Jmol-3D images Image 1
Properties
Molecular formula 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
Specific
heat capacity
C
79.1 J/mol K
Std molar
entropy
So298
317.3 J/mol K
Std enthalpy of
formation
ΔfHo298
-1440.1 kJ/mol
Gibbs free energy ΔG -1410.4 kJ/mol
Except where noted otherwise, 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.[1]

References[edit]

  1. ^ P. L. Timms (1972). Low Temperature Condensation. Advances in Inorganic Chemistry and Radiochemistry. p. 143. ISBN 0-12-023614-1. 
  • Louis Trefonas and William N. Lipscomb (1958). "Crystal and Molecular Structure of Diboron Tetrafluoride, B2F4". J. Chem. Phys. 28 (1): 54. doi:10.1063/1.1744079. 
  • Gayles, J. N.; Self, J. (1964). "Infrared Spectrum of Diboron Tetrafluoride in the Gaseous and Solid States". Journal of Chemical Physics 40 (12): 3530–3539. doi:10.1063/1.1725048. 
  • Arthur Finch and Hermann Irving Schlesinger (1958). "Diboron Tetrafluoride". J. Am. Chem. Soc. 80 (14): 3573–3574. doi:10.1021/ja01547a020. 
  • A. K. Holliday and F. B. Taylor (1964). "Diboron tetrafluoride. Part II. Reactions with some oxides and organometallic compounds". J. Chem. Soc.: 2731–2734. doi:10.1039/JR9640002731. 
  • Vernon H. Dibeler and Susan K. Liston (1968). "Mass-spectrometric study of photoionization. XII. Boron trifluoride and diboron tetrafluoride". J. Chem. Soc. 7 (9): 1742–1746. doi:10.1021/ic50067a010. 

External links[edit]