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Properties of substance:

iron(II) iodide

Synonyms:

ferrous iodide

Group of substances:

inorganic

Physical appearance:

reddish brown trigonal crystals

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

FeI2

Structural formula as text:

FeI2

Molar/atomic mass: 309.66

Melting point (°C):

594

Boiling point (°C):

935

Solubility (g/100 g of solvent):

dimethylamine: soluble [Ref.]
propylene carbonate: very soluble (25°C) [Ref.]
water: soluble [Ref.]

Density:

5.315 (20°C, g/cm3)

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

-116.3 (s)

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

-124.2 (s)

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

170 (s)

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

109 (s)

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

57 (g)

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

336 (g)

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

60.2 (g)

Neel temperature (K):

10

References:

  1. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 358 [Russian]
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 63 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru