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Properties of substance:
germane
Group of substances:
inorganic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
H
4
Ge
Structural formula as text:
GeH4
Molar/atomic mass: 72.62
Melting point (°C):
-165.8
Boiling point (°C):
-88.5
Decomposition temperature (°C):
220
Solubility (g/100 g of solvent):
tetrahydrofuran
: 0.084 (10°C) [
Ref.
]
water
: 0.034 [
Ref.
]
Density:
1.52 (-142°C, g/cm
3
)
0.00342 (20°C, g/cm
3
)
Vapour pressure (Torr):
1 (-163.5°C)
10 (-145.6°C)
100 (-120.8°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
90.8 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
113.2 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
217.1 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
45.02 (g)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
0.84
Enthalpy (heat) of vaporization Δ
vap
H (kJ/mol):
14.1
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-65
Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 353-354 [Russian]
Давыдов В.И. Германий. - М.: Металлургия, 1964. - pp. 112-114 [Russian]
Девятых Г.Г., Зорин А.Д. Летучие неорганические гидриды особой чистоты. - М.: Наука, 1974 [Russian]
Жигач А.Ф., Стасиневич Д.С. Химия гидридов. - Л.: Химия, 1969. - pp. 601-608 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 641 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 624 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 62 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru