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Properties of substance:
phosphoric trifluoride
Group of substances:
inorganic
Physical appearance:
colorless gas
Empirical formula (Hill's system for organic substances):
F
3
OP
Structural formula as text:
POF3
Molar/atomic mass: 103.97
Sublimation point (°C):
-39.5
Solubility (g/100 g of solvent):
acetone
: soluble [
Ref.
]
benzene
: soluble [
Ref.
]
carbon tetrachloride
: soluble [
Ref.
]
ethanol
: soluble [
Ref.
]
water
: reaction [
Ref.
]
Density:
0.0048 (0°C, g/cm
3
)
Vapour pressure (Torr):
10 (-81.9°C)
100 (-61.5°C)
Dipole moment (D):
1.74 (20°C)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1252 (g)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-1203.7 (g)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
284.9 (g)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
68.66 (g)
ΔH
sublimation
(kJ/mol):
37.7
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-81
Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 456 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 108 [Russian]
Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 90 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru