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Properties of substance:

iron(II) tungstate

Group of substances:

inorganic

Physical appearance:

black monoclinic crystals

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

FeO4W

Structural formula as text:

FeWO4

Molar/atomic mass: 303.68

Melting point (°C):

1700

Density:

7.51 (20°C, g/cm3)

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

-1155 (s)

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

-1054 (s)

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

131.8 (s)

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

114.6 (s)

Neel temperature (K):

76

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-12
  2. Волков А.И., Жарский И.М. Большой химический справочник. - Минск: Современная школа, 2005. - pp. 147 [Russian]
  3. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 110 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru