Chemical Properties of Cyclopentene (CAS 142-29-0)

Cyclopentene

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InChI
InChI=1S/C5H8/c1-2-4-5-3-1/h1-2H,3-5H2
InChI Key
LPIQUOYDBNQMRZ-UHFFFAOYSA-N
Formula
C5H8
SMILES
C1=CCCC1
Molecular Weight1
68.12
CAS
142-29-0
Sources

Physical Properties

Property Value Unit Source
PAff 766.30 kJ/mol NIST
BasG 733.80 kJ/mol NIST
Δcliquid -3115.20 ± 0.59 kJ/mol NIST
Δf 65.44 kJ/mol Joback Calculated Property
Δfgas [32.60; 36.00] kJ/mol Show Hide
Δfgas 36.00 kJ/mol NIST
Δfgas 34.00 kJ/mol NIST
Δfgas 32.60 kJ/mol NIST
Δfgas 33.20 kJ/mol NIST
Δfliquid 4.27 ± 0.63 kJ/mol NIST
Δfliquid 4.85 ± 0.67 kJ/mol NIST
Δfus 2.79 kJ/mol Joback Calculated Property
Δvap 28.37 kJ/mol NIST
IE [9.00; 9.20] eV Show Hide
IE 9.01 ± 0.01 eV NIST
IE 9.18 eV NIST
IE 9.10 eV NIST
IE 9.01 ± 0.02 eV NIST
IE 9.00 eV NIST
IE 9.02 ± 0.01 eV NIST
IE 9.00 eV NIST
IE 9.01 ± 0.01 eV NIST
IE 9.02 ± 0.01 eV NIST
IE 9.01 eV NIST
IE 9.00 eV NIST
IE 9.01 ± 0.01 eV NIST
IE 9.20 eV NIST
IE 9.01 ± 0.03 eV NIST
IE 9.17 eV NIST
IE 9.12 eV NIST
IE 9.18 eV NIST
IE 9.20 eV NIST
logPoct/wat 1.726 Crippen Calculated Property
Pc 4800.00 ± 50.00 kPa NIST
Pc 4802.00 ± 30.00 kPa NIST
gas 289.66 J/mol×K NIST
liquid 201.25 J/mol×K NIST
Tboil [315.00; 320.00] K Show Hide
Tboil 317.40 K NIST
Tboil 317.00 ± 1.00 K NIST
Tboil 318.12 ± 0.02 K NIST
Tboil 316.00 ± 3.00 K NIST
Tboil 317.00 ± 2.00 K NIST
Tboil 317.40 ± 2.00 K NIST
Tboil 317.55 ± 0.20 K NIST
Tboil 316.00 ± 5.00 K NIST
Tboil Outlier 320.00 ± 4.00 K NIST
Tboil 317.00 ± 4.00 K NIST
Tboil Outlier 315.00 ± 3.00 K NIST
Tboil 317.00 ± 1.50 K NIST
Tboil 317.50 ± 1.00 K NIST
Tboil 317.40 ± 0.40 K NIST
Tboil 317.39 ± 0.10 K NIST
Tboil 317.30 ± 1.00 K NIST
Tboil 317.60 ± 1.50 K NIST
Tboil 317.00 ± 2.00 K NIST
Tboil 317.55 ± 0.25 K NIST
Tboil 317.38 ± 0.20 K NIST
Tboil 317.40 ± 0.20 K NIST
Tboil 317.17 ± 0.20 K NIST
Tboil 317.50 ± 0.50 K NIST
Tboil 317.50 ± 0.50 K NIST
Tboil 317.30 ± 1.50 K NIST
Tboil 316.90 ± 0.60 K NIST
Tboil 319.00 ± 2.00 K NIST
Tboil 319.00 ± 2.00 K NIST
Tc [506.10; 507.60] K Show Hide
Tc 506.50 ± 0.50 K NIST
Tc 507.60 ± 0.40 K NIST
Tc 507.00 ± 0.60 K NIST
Tc 506.10 ± 0.15 K NIST
Tfus [137.99; 139.50] K Show Hide
Tfus 138.07 ± 0.01 K NIST
Tfus 139.50 ± 0.50 K NIST
Tfus 139.50 ± 0.50 K NIST
Tfus 138.06 ± 0.10 K NIST
Tfus 138.06 ± 0.04 K NIST
Tfus 138.08 ± 0.02 K NIST
Tfus 138.08 ± 0.20 K NIST
Tfus 137.99 ± 0.20 K NIST
Ttriple 138.13 ± 0.05 K NIST
Vc 0.245 m3/kg-mol NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 91.20 J/mol×K 332.91 Joback Calculated Property
Cp,liquid 122.38 J/mol×K 298.15 NIST
η 0.0002628 Pa×s 332.91 Joback Calculated Property
ΔfusH 0.48 kJ/mol 87.07 NIST
ΔfusH 3.36 kJ/mol 138.1 NIST
ΔvapH 28.40 kJ/mol 261.5 NIST
ΔvapH 29.90 kJ/mol 283.5 NIST
ΔvapH 24.80 kJ/mol 303.5 NIST
ΔfusS 5.51 J/mol×K 87.07 NIST
ΔfusS 24.32 J/mol×K 138.1 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- (ring) 3
=CH- (ring) 2

Similar Compounds

Cyclopentenyl radical. 3-Cyclopentenyl radical. 2-Hexene, (Z)-. 2-Hexene, (E)-. 2-Hexene. 2-Heptene. 2-Heptene, (E)-. (2E)-2-heptene. (Z)-2-Heptene. 3-Heptene. (Z)-3-Heptene. 3-Heptene, (E)-. 5-Decene, (E)-. (Z)-5-Decene. trans--4-Nonene.

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