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Properties of substance:

cesium fluoroxysulfate

Group of substances:

inorganic

Empirical formula (Hill's system for organic substances):

CsFO4S

Structural formula as text:

CsSO3(OF)

Molar/atomic mass: 247.97

Decomposition temperature (°C):

100

Solubility (g/100 g of solvent):

acetonitrile: 1.74 [Ref.]
chloroform: insoluble [Ref.]
dimethylformamide: reaction [Ref.]
dimethylsulfoxide: reaction [Ref.]
ethyl acetate: insoluble [Ref.]
hexamethylphosphoric triamide: insoluble [Ref.]
methylene chloride: insoluble [Ref.]
nitrobenzene: insoluble [Ref.]
nitromethane: soluble [Ref.]
tert-butanol: insoluble [Ref.]
tetrahydrofuran: insoluble [Ref.]
trifluoroacetic acid anhydride: insoluble [Ref.]
water: 12.4 (room temperature) [Ref.]

Reactions of synthesis:

  1. [Ref.1]
    Cs2SO4 + F2 → CsSO4F + CsF

Electrode potential:

SO4F- + 2H+ + 2e- → HSO4- + HF, E = 2.47 V (water, 25°C)

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-1004.9 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-877.6 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

201.89 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

163.46 (s) [Ref.]

References:

  1. Chemical Reviews. - 1996. - vol. 96, No. 5. - pp. 1730-1731
  2. Inorganic Chemistry. - 1980. - Vol. 19, No. 11. - pp. 3248-3253 [DOI: 10.1021/ic50213a009]
  3. Inorganic Chemistry. - 1981. - Vol. 20, No. 4. - pp. 1022-1024
  4. Journal of Chemical Thermodynamics. - 1982. - Vol. 14, No. 12. - pp. 1191-1196 [DOI: 10.1016/0021-9614(82)90043-X]
  5. Journal of Fluorine Chemistry. - 1984. - Vol. 25, ¹1. - pp. 96
  6. Journal of the American Chemical Society. - 1979. - Vol. 101, No. 12. - pp. 3384-3385 [DOI: 10.1021/ja00506a046]
  7. Journal of the American Chemical Society. - 1981. - Vol. 103, No. 8. - pp. 1964-1968 [DOI: 10.1021/ja00398a015]
  8. Nakajima T., Zemva B., Tressaud A. Advanced inorganic fluorides: Syntesis, Characterization and Applications. - Elsevier, 2000. - pp. 125
  9. Radiochimica Acta. - 1991. - Vol. 55, No. 2. - pp. 61-64 [DOI: 10.1524/ract.1991.55.2.61]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru