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Properties of substance:

сopper(II) fluoride

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

CuF2

Structural formula as text:

CuF2

Molar/atomic mass: 101.54

Melting point (°C):

770

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
bromine trifluoride: insoluble (25°C) [Ref.]
ethanol: soluble [Ref.]
hydrogen fluoride : 0.01 (-23.1°C) [Ref.]
hydrogen fluoride : 0.008 (-8.3°C) [Ref.]
hydrogen fluoride : 0.01 (12.4°C) [Ref.]
water: 4.75 (20°C) [Ref.]
water: reaction (100°C) [Ref.]

Density:

4.23 (20°C, g/cm3)

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

-537.6 (s)

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

-487.8 (s)

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

68.6 (s)

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

70.3 (s)

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

39

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

-276.1 (g)

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

260 (g)

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

51.9 (g)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 489-490
  2. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 166 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 81 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 703 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru