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Properties of substance:

tellurium hexafluoride

Group of substances:

inorganic

Physical appearance:

colorless gas

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

F6Te

Structural formula as text:

TeF6

Molar/atomic mass: 241.59

Sublimation point (°C):

-38.6

Density:

0.009875 (25°C, g/cm3)

Vapour pressure (Torr):

1 (-112.6°C)
10 (-92.4°C)
100 (-67.7°C)

Synthesis:

    Te + 3F2 → TeF6 [Ref.]

Dipole moment (D):

0 (20°C)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1318 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-1247.1 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

336 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

117.6 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

7.9

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

26.8

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-94
  2. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 121-122
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 103 [Russian]
  4. Рысс И.Г. Химия фтора и его неорганических соединений. - М., 1956. - pp. 160-165 [Russian]
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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru