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Properties of substance:

germanium(II) sulfide

Group of substances:

inorganic

Physical appearance:

reddish brown rhombic crystals

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

GeS

Structural formula as text:

GeS

Molar/atomic mass: 104.65

Melting point (°C):

665

Solubility (g/100 g of solvent):

ammonia liquid : 0.0473 (-33°C) [Ref.]
water: 0.24 (20°C) [Ref.]

Density:

4.01 (20°C, g/cm3)

Dipole moment (D):

2

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

-70.09 (s)

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

-70.97 (s)

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

65.98 (s)

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

47.78 (s)

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

21

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

92 (g)

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

42 (g)

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

234 (g)

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

33.7 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-12
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 552
  3. Давыдов В.И. Германий. - М.: Металлургия, 1964. - pp. 86-92 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 639 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 61 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 43, 881 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru