Chemical Properties of Spiropentane (CAS 157-40-4)

Spiropentane

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InChI
InChI=1S/C5H8/c1-2-5(1)3-4-5/h1-4H2
InChI Key
OGNAOIGAPPSUMG-UHFFFAOYSA-N
Formula
C5H8
SMILES
C1CC12CC2
Molecular Weight1
68.12
CAS
157-40-4
Other Names
  • Spiro[2.2]pentane
Sources

Physical Properties

Property Value Unit Source
Δcgas -3296.00 ± 0.71 kJ/mol NIST
Δcgas -3258.00 ± 1.30 kJ/mol NIST
Δf 127.04 kJ/mol Joback Calculated Property
Δfgas 185.10 ± 0.75 kJ/mol NIST
Δfus -0.29 kJ/mol Joback Calculated Property
Δvap 27.70 kJ/mol NIST
Δvap 27.50 ± 0.10 kJ/mol NIST
IE [9.26; 9.73] eV Show Hide
IE 9.26 eV NIST
IE 9.26 eV NIST
IE 9.26 eV NIST
IE 9.26 eV NIST
IE 9.37 ± 0.05 eV NIST
IE Outlier 9.73 eV NIST
IE 9.45 eV NIST
logPoct/wat 1.56 Crippen Calculated Property
Pc 5213.15 kPa Joback Calculated Property
liquid 193.68 J/mol×K NIST
Tboil 312.10 K NIST
Tboil 303.18 ± 0.10 K NIST
Tboil 312.18 ± 0.10 K NIST
Tc 506.40 K NIST
Tfus 166.10 ± 0.10 K NIST
Tfus 166.10 ± 0.10 K NIST
Ttriple 166.14 ± 0.05 K NIST
Vc 0.24 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 277.69 ± 0.63 J/mol×K 283.16 NIST
Cp,gas 282.21 ± 0.63 J/mol×K 298.16 NIST
Cp,gas 286.35 ± 0.63 J/mol×K 312.14 NIST
Cp,liquid 134.52 J/mol×K 298.15 NIST
ΔfusH 6.43 kJ/mol 166.1 NIST
ΔfusH 6.43 kJ/mol 166.1 NIST
ΔfusH 6.43 kJ/mol 166.14 NIST
ΔvapH [26.70; 28.60] kJ/mol [283.00; 312.13] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 28.30 ± 0.10 kJ/mol 283.0 NIST
ΔvapH 28.60 kJ/mol 310.0 NIST
ΔvapH 26.70 ± 0.10 kJ/mol 312.0 NIST
ΔvapH 26.76 kJ/mol 312.1 NIST
ΔvapH 26.75 kJ/mol 312.13 NIST
ΔfusS 38.72 J/mol×K 166.14 NIST
ΔvapS 85.70 J/mol×K 312.13 NIST

Molecular Descriptors

Joback and Reid Groups
>C< (ring) 1
-CH2- (ring) 4

Similar Compounds

Cyclopropane, ethyl-. Cyclopropane, 1,1-dimethyl-. Cyclopropane, 1-ethyl-1-methyl-. Cyclopropane, 1,1-diethyl-. Cyclopropane, propyl-. 1,2-Dimethylcyclopropane. Cyclopropane, 1,2-dimethyl-, cis-. trans-1,2-Dimethylcyclopropane. Cyclopropane, 1,2-dimethyl-, trans-. Cyclopropane, (1-methylethyl)-. Cyclopropane, 1,1,2-trimethyl-. 1-methyl-1-(1-methylethyl)-cyclopropane. Cyclopropane, 1-ethyl-2-methyl-, cis-. trans-1-Ethyl-2-methylcyclopropane. Cyclopropane, 1-methyl-1-propyl.

Find more compounds similar to Spiropentane.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.