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Properties of substance:

titanium(IV) iodide

Group of substances:

inorganic

Physical appearance:

red hexagonal crystals

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

I4Ti

Structural formula as text:

TiI4

Molar/atomic mass: 555.52

Melting point (°C):

155

Boiling point (°C):

379.5

Solubility (g/100 g of solvent):

water: very soluble (20°C) [Ref.]
water: reaction (100°C) [Ref.]

Density:

4.4 (25°C, g/cm3)

Reactions:

  1. [Ref.1]
    TiI4 + 4N2O4 → Ti(NO3)4 + 4NO + 2I2

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

-386.6 (s)

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

-381.6 (s)

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

246 (s)

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

125.6 (s)

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

19.8

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

56.5

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

-288.3 (g)

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

432 (g)

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

103 (g)

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 104 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru