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Properties of substance:

erbium fluoride

Group of substances:

inorganic

Physical appearance:

monoclinic crystals

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

ErF3

Structural formula as text:

ErF3

Molar/atomic mass: 224.25

Melting point (°C):

1146

Boiling point (°C):

2200

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

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

-1723 (s)

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

121 (s)

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

101 (s)

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

27.5

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

-1260 (g)

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

345 (g)

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

74 (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. 218-219 [Russian]
  3. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 487 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru