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Properties of substance:

uranium(VI) chloride

Group of substances:

inorganic

Physical appearance:

deep-green trigonal crystals

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

Cl6U

Structural formula as text:

UCl6

Molar/atomic mass: 450.75

Melting point (°C):

177

Decomposition temperature (°C):

177

Solubility (g/100 g of solvent):

carbon tetrachloride: soluble [Ref.]
water: reaction [Ref.]

Density:

3.6 (20°C, g/cm3)

Vapour pressure (Torr):

1 (104°C)
10 (142°C)

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

-1133 (s)

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

-1010 (s)

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

285.8 (s)

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

176 (s)

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

-1020 (g)

References:

  1. Браун Д. Галогениды лантаноидов и актиноидов. - М.: Атомиздат, 1972. - pp. 118-120 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 102 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 107 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru