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Properties of substance:
vanadium(II) chloride
Group of substances:
inorganic
Physical appearance:
green hexagonal crystals
Empirical formula (Hill's system for organic substances):
Cl
2
V
Structural formula as text:
VCl2
Molar/atomic mass: 121.85
Melting point (°C):
1350
Solubility (g/100 g of solvent):
diethyl ether
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
water
: reaction [
Ref.
]
Not numerical data:
very hygroscopic
Density:
3.23 (18°C, g/cm
3
)
Reactions of synthesis:
[
Ref.1
]
VCl
4
+ H
2
→ VCl
2
+ 2HCl
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-461 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
97 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
72.2 (s)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-216 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
284 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
57 (g)
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. 491 [Russian]
Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 112 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 44-45 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru