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Properties of substance:
сopper(II) fluoride
Group of substances:
inorganic
Physical appearance:
colorless cubic crystals
Empirical formula (Hill's system for organic substances):
CuF
2
Structural formula as text:
CuF2
Molar/atomic mass: 101.54
Melting point (°C):
770
Solubility (g/100 g of solvent):
acetone
: insoluble [
Ref.
]
bromine trifluoride
: insoluble (25°C) [
Ref.
]
ethanol
: soluble [
Ref.
]
hydrogen fluoride
: 0.01 (-23.1°C) [
Ref.
]
hydrogen fluoride
: 0.008 (-8.3°C) [
Ref.
]
hydrogen fluoride
: 0.01 (12.4°C) [
Ref.
]
water
: 4.75 (20°C) [
Ref.
]
water
: reaction (100°C) [
Ref.
]
Density:
4.23 (20°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-537.6 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-487.8 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
68.6 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
70.3 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
39
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-276.1 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
260 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
51.9 (g)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 489-490
Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 166 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 81 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 703 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru