Physical Properties
Property
Value
Unit
Source
PAff
808.80
kJ/mol
NIST
BasG
779.90
kJ/mol
NIST
Δc H°liquid
-3328.60 ± 1.30
kJ/mol
NIST
Δf G°
62.89
kJ/mol
Joback
Calculated Property
Δf H°gas
-41.50 ± 0.88
kJ/mol
NIST
Δf H°gas
-41.00
kJ/mol
NIST
Δf H°liquid
-68.60 ± 0.80
kJ/mol
NIST
Δf H°liquid
-68.10 ± 1.30
kJ/mol
NIST
Δfus H°
7.60
kJ/mol
Joback
Calculated Property
Δvap H°
27.34
kJ/mol
NIST
Δvap H°
27.10
kJ/mol
NIST
Δvap H°
27.10 ± 0.10
kJ/mol
NIST
IE
[8.67; 8.85]
eV
IE
8.69 ± 0.01
eV
NIST
IE
8.69
eV
NIST
IE
8.68 ± 0.02
eV
NIST
IE
8.68 ± 0.00
eV
NIST
IE
8.70
eV
NIST
IE
8.83 ± 0.11
eV
NIST
IE
8.72
eV
NIST
IE
Outlier 8.85 ± 0.04
eV
NIST
IE
8.67 ± 0.02
eV
NIST
IE
8.68
eV
NIST
log Poct/wat
1.97
Crippen
Calculated Property
Pc
3420.00 ± 100.00
kPa
NIST
S°liquid
251.20
J/mol×K
NIST
S°liquid
251.04
J/mol×K
NIST
S°liquid
248.90
J/mol×K
NIST
Tboil
[308.15; 312.00]
K
Tboil
Outlier 309.70
K
NIST
Tboil
311.80
K
NIST
Tboil
311.70
K
NIST
Tboil
310.70 ± 0.70
K
NIST
Tboil
311.40 ± 1.50
K
NIST
Tboil
311.60 ± 1.00
K
NIST
Tboil
311.60 ± 0.50
K
NIST
Tboil
311.70 ± 1.50
K
NIST
Tboil
311.80 ± 0.60
K
NIST
Tboil
312.00 ± 5.00
K
NIST
Tboil
311.72 ± 0.30
K
NIST
Tboil
311.65 ± 1.00
K
NIST
Tboil
311.75 ± 0.60
K
NIST
Tboil
311.63 ± 0.10
K
NIST
Tboil
Outlier 309.65 ± 2.00
K
NIST
Tboil
311.50 ± 0.60
K
NIST
Tboil
311.75 ± 0.50
K
NIST
Tboil
311.65 ± 1.00
K
NIST
Tboil
311.75 ± 0.50
K
NIST
Tboil
Outlier 308.15 ± 2.00
K
NIST
Tboil
311.70 ± 0.50
K
NIST
Tboil
311.64 ± 0.30
K
NIST
Tboil
311.75 ± 0.30
K
NIST
Tboil
310.30 ± 0.50
K
NIST
Tboil
311.00 ± 2.00
K
NIST
Tboil
311.65 ± 0.30
K
NIST
Tboil
311.75 ± 1.00
K
NIST
Tboil
311.63 ± 0.30
K
NIST
Tboil
311.75 ± 0.30
K
NIST
Tboil
311.15 ± 1.50
K
NIST
Tboil
311.15 ± 1.50
K
NIST
Tboil
311.75 ± 1.00
K
NIST
Tboil
311.57 ± 0.15
K
NIST
Tboil
311.57 ± 0.20
K
NIST
Tboil
311.45 ± 0.50
K
NIST
Tboil
311.27 ± 1.00
K
NIST
Tboil
309.80 ± 1.50
K
NIST
Tboil
310.90 ± 1.50
K
NIST
Tboil
310.85 ± 1.00
K
NIST
Tboil
311.45 ± 0.60
K
NIST
Tboil
311.40 ± 2.00
K
NIST
Tboil
310.30 ± 0.50
K
NIST
Tboil
311.00 ± 3.00
K
NIST
Tboil
311.57 ± 0.20
K
NIST
Tboil
310.15 ± 2.00
K
NIST
Tc
470.00 ± 1.00
K
NIST
Tc
481.00
K
NIST
Tfus
[127.10; 150.00]
K
Tfus
139.35 ± 0.07
K
NIST
Tfus
139.35 ± 0.04
K
NIST
Tfus
139.37 ± 0.02
K
NIST
Tfus
139.12 ± 0.40
K
NIST
Tfus
140.20 ± 0.50
K
NIST
Tfus
139.00 ± 1.50
K
NIST
Tfus
139.00 ± 1.00
K
NIST
Tfus
Outlier 127.10 ± 0.70
K
NIST
Tfus
150.00 ± 4.00
K
NIST
Tfus
146.00 ± 6.00
K
NIST
Ttriple
[138.90; 139.44]
K
Ttriple
139.40 ± 0.02
K
NIST
Ttriple
139.42 ± 0.05
K
NIST
Ttriple
139.44 ± 0.60
K
NIST
Ttriple
139.42 ± 0.60
K
NIST
Ttriple
138.90 ± 0.20
K
NIST
Vc
0.30
m3 /kg-mol
Joback
Calculated Property
Temperature Dependent Properties
Property
Value
Unit
Temperature (K)
Source
Cp,gas
[111.00; 152.05]
J/mol×K
[319.04; 471.09]
Cp,gas
111.00 ± 0.33
J/mol×K
319.04
NIST
Cp,gas
122.97 ± 0.37
J/mol×K
362.37
NIST
Cp,gas
133.93 ± 0.40
J/mol×K
402.26
NIST
Cp,gas
143.05 ± 0.43
J/mol×K
436.18
NIST
Cp,gas
152.05 ± 0.46
J/mol×K
471.09
NIST
Cp,liquid
146.40
J/mol×K
293.9
NIST
Cp,liquid
152.80
J/mol×K
298.15
NIST
Cp,liquid
152.80
J/mol×K
298.15
NIST
Δfus H
[7.43; 7.60]
kJ/mol
[138.90; 139.42]
Δfus H
7.43
kJ/mol
138.9
NIST
Δfus H
7.58
kJ/mol
139.4
NIST
Δfus H
7.59
kJ/mol
139.4
NIST
Δfus H
7.60
kJ/mol
139.4
NIST
Δfus H
7.60
kJ/mol
139.42
NIST
Δvap H
[26.30; 28.40]
kJ/mol
[290.00; 312.00]
Δvap H
27.50 ± 0.10
kJ/mol
290.0
NIST
Δvap H
28.40
kJ/mol
307.0
NIST
Δvap H
28.30
kJ/mol
310.0
NIST
Δvap H
26.31
kJ/mol
311.7
NIST
Δvap H
26.30 ± 0.10
kJ/mol
312.0
NIST
Δfus S
5.35
J/mol×K
138.9
NIST
Δfus S
54.37
J/mol×K
139.4
NIST
Δfus S
54.49
J/mol×K
139.42
NIST
Molecular Descriptors
Joback and Reid Groups
-CH3
3
=C<
1
=CH-
1
Similar Compounds
Find more compounds similar to 2-Butene, 2-methyl- .
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