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Properties of substance:

scandium oxide

Group of substances:

inorganic

Physical appearance:

white cubic crystals

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

O3Sc2

Structural formula as text:

Sc2O3

Molar/atomic mass: 137.91

Melting point (°C):

2300

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

3.8 (20°C, g/cm3)

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

-1908.6 (s)

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

-1917.5 (s)

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

77 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-86
  2. Комиссарова Л.Н. Неорганическая и аналитическая химия скандия. - М.: Эдиториал УРСС, 2001. - pp. 50-51 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 99 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru