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Properties of substance:

selenium tetrafluoride

Group of substances:

inorganic

Physical appearance:

colorless fuming liquid

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

F4Se

Structural formula as text:

SeF4

Molar/atomic mass: 154.95

Melting point (°C):

-9.5

Boiling point (°C):

107.7

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: reaction [Ref.]

Density:

2.75 (18°C, g/cm3)

Vapour pressure (Torr):

1 (-12.9°C)
10 (17.9°C)
100 (57°C)

Dipole moment (D):

1.78 (20°C)

Surface tension (mN/m):

39.1 (-7.6°C)
36.3 (17.8°C)
27.5 (89.2°C)

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

47.1

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-87
  2. Simons J.H. Fluorine Chemistry. - Vol. 5. - New York: Academic Press, 1964. - pp. 72-73
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 96 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru