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Properties of substance:

thorium(IV) chloride

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

Cl4Th

Structural formula as text:

ThCl4

Molar/atomic mass: 373.85

Melting point (°C):

765

Boiling point (°C):

922

Solubility (g/100 g of solvent):

diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
propylene carbonate: 1.25 (25°C) [Ref.]
water: very soluble (20°C) [Ref.]
water: reaction (100°C) [Ref.]

Hygroscopic:

yes

Density:

4.59 (15°C, g/cm3)

Vapour pressure (Torr):

10 (697°C)
100 (781°C)

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

-1190.3 (s)

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

-1101.2 (s)

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

195.8 (s)

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

-973 (g)

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

395.8 (g)

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

101.3 (g)

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

61

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

129

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-95
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 204-205 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 105 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru