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Properties of substance:

thorium(IV) iodide

Synonyms:

thorium iodide

Group of substances:

inorganic

Physical appearance:

yellow monoclinic crystals

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

I4Th

Structural formula as text:

ThI4

Molar/atomic mass: 739.66

Melting point (°C):

556

Boiling point (°C):

837

CAS №: 7790-49-0

Solubility (g/100 g of solvent):

water: very soluble [Ref.]

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

-577 (s)

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

272 (s)

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

-418 (g)

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

469.9 (g)

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

106.3 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-95
  2. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 588 [Russian]
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 202-203 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru