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Properties of substance:
rhenium hexafluoride
Group of substances:
inorganic
Empirical formula (Hill's system for organic substances):
F
6
Re
Structural formula as text:
ReF6
Molar/atomic mass: 300.2
Melting point (°C):
18.8
Boiling point (°C):
33.7
Solubility (g/100 g of solvent):
acetone
: reaction [
Ref.
]
diethyl ether
: reaction [
Ref.
]
ethanol
: reaction [
Ref.
]
hydrogen fluoride
: 52.5 (room temperature) [
Ref.
]
water
: reaction [
Ref.
]
Density:
3.616 (18.8°C, g/cm
3
)
Reactions of synthesis:
[
Ref.1
]
Re + 3F
2
→ ReF
6
Vapour pressure (Torr):
10 (-21.3°C)
100 (5.1°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1382.1 (l)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-1270.5 (l)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
270.6 (l)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
4.58
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
28.3
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1353 (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)):
121 (g)
References:
Simons J.H. Fluorine Chemistry. - Vol. 5. - New York: Academic Press, 1964. - pp. 76
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 91 [Russian]
Успехи химии. - 1980. - Т.49, №10. - pp. 1946-1949 [Russian]
Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 103-104 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 505 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru