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Properties of substance:

thulium oxide

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

O3Tm2

Structural formula as text:

Tm2O3

Molar/atomic mass: 385.87

Melting point (°C):

2370

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-1888.7 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-1794.5 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

139.7 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

116.7 (s) [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-17
  2. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 16 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru