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Properties of substance:

vanadyl trichloride

Synonyms:

vanadium oxytrichloride

Group of substances:

inorganic

Physical appearance:

yellow liquid

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

Cl3OV

Structural formula as text:

VOCl3

Molar/atomic mass: 173.3

Melting point (°C):

-78

Boiling point (°C):

126.7

Solubility (g/100 g of solvent):

water: reaction [Ref.]

Numerical data:

Interatomic distances (in pm): 156
Interatomic distances (in pm): 212
Bond angles (in degrees): 111

Reactions of synthesis:

  1. [Ref.1aster]
    2VO + 3Cl2 → 2VOCl3

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

9.6

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

34.7

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

-734.71 (l) [Ref.]
-695.59 (g) [Ref.]

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

-668.576 (l) [Ref.]
-659.254 (g) [Ref.]

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

244.346 (l) [Ref.]
344.29 (g) [Ref.]

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

150.624 (l) [Ref.]
89.91 (g) [Ref.]

References:

  1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 106-108
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 106-107 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 486-487 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru