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Properties of substance:

samarium(II) chloride

Group of substances:

inorganic

Physical appearance:

reddish brown crystals

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

Cl2Sm

Structural formula as text:

SmCl2

Molar/atomic mass: 221.27

Melting point (°C):

859

Boiling point (°C):

1950

Solubility (g/100 g of solvent):

carbon disulphide: insoluble [Ref.]
ethanol: insoluble [Ref.]

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

-819.6 (s)

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

126 (s)

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

14

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

218

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

-500 (g)

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

315.5 (g)

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

55.6 (g)

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 559 [Russian]
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 186-187 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru