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Properties of substance:

phosphoric trifluoride

Group of substances:

inorganic

Physical appearance:

colorless gas

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

F3OP

Structural formula as text:

POF3

Molar/atomic mass: 103.97

Sublimation point (°C):

-39.5

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
ethanol: soluble [Ref.]
water: reaction [Ref.]

Density:

0.0048 (0°C, g/cm3)

Vapour pressure (Torr):

10 (-81.9°C)
100 (-61.5°C)

Dipole moment (D):

1.74 (20°C)

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

-1252 (g)

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

-1203.7 (g)

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

284.9 (g)

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

68.66 (g)

ΔHsublimation (kJ/mol):

37.7

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-81
  2. Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
  3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 456 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 108 [Russian]
  5. Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 90 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru