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Properties of substance:
vanadium(IV) chloride
Group of substances:
inorganic
Physical appearance:
reddish brown liquid
Empirical formula (Hill's system for organic substances):
Cl
4
V
Structural formula as text:
VCl4
Molar/atomic mass: 192.75
Melting point (°C):
-20.5
Boiling point (°C):
153
Decomposition temperature (°C):
164
Solubility (g/100 g of solvent):
arsenic trichloride
: very soluble [
Ref.
]
benzene
: soluble [
Ref.
]
carbon disulphide
: soluble [
Ref.
]
carbon tetrachloride
: soluble [
Ref.
]
chloroform
: soluble [
Ref.
]
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
water
: reaction [
Ref.
]
Density:
1.82 (20°C, g/cm
3
)
Reactions:
[
Ref.1
]
VCl
4
+ H
2
→ VCl
2
+ 2HCl
Vapour pressure (Torr):
1 (-9.6°C)
10 (30.4°C)
100 (85°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-569.8 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-505.6 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
259 (l)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
9.6
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
35.6
References:
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 108-109 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 488 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 58 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru