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Properties of substance:
phosphorus(V) chloride
Synonyms:
phosphorus pentachloride
Group of substances:
inorganic
Physical appearance:
colorless tetragonal crystals
Empirical formula (Hill's system for organic substances):
Cl
5
P
Structural formula as text:
PCl5
Molar/atomic mass: 208.24
Sublimation point (°C):
159-300
Solubility (g/100 g of solvent):
carbon disulphide
: soluble [
Ref.
]
carbon tetrachloride
: soluble [
Ref.
]
iodine monochloride
: soluble [
Ref.
]
phosphorus(V) trichloride oxide
: very soluble [
Ref.
]
water
: reaction [
Ref.
]
Density:
2.11 (20°C, g/cm
3
)
Reactions of synthesis:
Yeild 85%. [
Ref.1
]
PCl
3
+ Cl
2
→ PCl
5
Vapour pressure (Torr):
10 (78°C)
100 (116.8°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-435.6 (s)
ΔH
sublimation
(kJ/mol):
63.2
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-366.9 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
364 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
113 (g)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-443.5 (s)
Critical temperature (°C):
372
References:
Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 99-100
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 134 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 208-209 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 440 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 455 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 108 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 238-239 [Russian]
Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 294-295 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru