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Properties of substance:

germanium(IV) iodide

Group of substances:

inorganic

Physical appearance:

reddish orange cubic crystals

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

GeI4

Structural formula as text:

GeI4

Molar/atomic mass: 580.26

Melting point (°C):

146

Boiling point (°C):

400

Decomposition temperature (°C):

440

Solubility (g/100 g of solvent):

carbon disulphide: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
water: reaction [Ref.]

Density:

4.32 (26°C, g/cm3)

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

-143.3 (s)

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

-38 (g)

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

429 (g)

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

104.2 (g)

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 356 [Russian]
  2. Давыдов В.И. Германий. - М.: Металлургия, 1964. - pp. 108-109 [Russian]
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 112-113 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 634 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru