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Properties of substance:

germanium(II) iodide

Group of substances:

inorganic

Physical appearance:

hexagonal crystals

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

GeI2

Structural formula as text:

GeI2

Molar/atomic mass: 326.45

Sublimation point (°C):

240

Decomposition temperature (°C):

550

Density:

5.37 (20°C, g/cm3)

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

-77.8 (s)

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

74 (g)

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

334 (g)

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

56.5 (g)

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 355 [Russian]
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 112-113 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru