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Properties of substance:

vanadium(III) chloride

Group of substances:

inorganic

Physical appearance:

trigonal crystals

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

Cl3V

Structural formula as text:

VCl3

Molar/atomic mass: 157.3

Sublimation point (°C):

425

Solubility (g/100 g of solvent):

acetic acid: soluble [Ref.]
benzene: insoluble [Ref.]
carbon disulphide: insoluble [Ref.]
chloroform: insoluble [Ref.]
chlorosulfonic acid: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: soluble [Ref.]
toluene: insoluble [Ref.]
water: very soluble [Ref.]

Hygroscopic:

yes

Reactions of synthesis:

  1. Yeild 90%. [Ref.1aster]
    2VCl4 → 2VCl3 + Cl2

Reactions:

  1. [Ref.1aster, Ref.2aster]
    2VCl3 + 3H2 → 2V + 6HCl
  2. [Ref.1aster, Ref.2aster]
    2VCl3 + H2 → 2VCl2 + 2HCl

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

-581 (s)

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

131 (s)

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

93.2 (s)

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

-369 (g)

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

333 (g)

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

74 (g)

LD50 (mg/kg):

24 (white mice, oral)

Neel temperature (K):

30

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 108-109 [Russian]
  2. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 44-45 [Russian]
  3. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 351 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru