Chemical Properties of Cyclopentane, ethylidene-

InChI

InChI=1S/C7H12/c1-2-7-5-3-4-6-7/h2H,3-6H2,1H3

InChI Key

VONKRKBGTZDZNV-UHFFFAOYSA-N

Formula

C7H12

SMILES

CC=C1CCCC1

Molecular Weight¹

96.17

Other Names

• Ethylidenecyclopentane

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	-4412.82 ± 0.79	kJ/mol	NIST
ΔfH°gas	-20.00	kJ/mol	NIST
ΔfH°liquid	-56.82 ± 0.88	kJ/mol	NIST
ΔfusH°	7.07	kJ/mol	Joback Calculated Property
ΔvapH°	38.60 ± 0.30	kJ/mol	NIST
IE	[8.49; 8.51]	eV
IE	8.51	eV	NIST
IE	8.49 ± 0.02	eV	NIST
logPoct/wat	2.507		Crippen Calculated Property
McVol	94.330	ml/mol	McGowan Calculated Property
Inp	[763.00; 776.00]
Inp	766.90		NIST
Inp	770.30		NIST
Inp	776.00		NIST
Inp	772.00		NIST
Inp	763.00		NIST
Inp	768.00		NIST
Inp	771.00		NIST
Inp	774.00		NIST
Inp	772.00		NIST
Tboil	[353.41; 388.00]	K
Tboil	385.20 ± 3.00	K	NIST
Tboil	384.00 ± 1.50	K	NIST
Tboil	385.03 ± 0.30	K	NIST
Tboil	385.20 ± 1.00	K	NIST
Tboil	385.03 ± 0.30	K	NIST
Tboil	385.03 ± 0.40	K	NIST
Tboil	385.80 ± 1.00	K	NIST
Tboil	Outlier 353.41 ± 0.20	K	NIST
Tboil	388.00 ± 6.00	K	NIST
Tfus	[146.55; 146.57]	K
Tfus	146.57 ± 0.02	K	NIST
Tfus	146.55 ± 0.05	K	NIST
Tfus	146.57 ± 0.02	K	NIST

Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[162.94; 235.01]	J/mol×K	[386.15; 588.78]
Cp,gas	162.94	J/mol×K	386.15	Joback Calculated Property
Cp,gas	176.73	J/mol×K	419.92	Joback Calculated Property
Cp,gas	189.76	J/mol×K	453.69	Joback Calculated Property
Cp,gas	202.08	J/mol×K	487.47	Joback Calculated Property
Cp,gas	213.70	J/mol×K	521.24	Joback Calculated Property
Cp,gas	224.67	J/mol×K	555.01	Joback Calculated Property
Cp,gas	235.01	J/mol×K	588.78	Joback Calculated Property
Cp,liquid	181.20	J/mol×K	298.15	NIST
η	[0.0002631; 0.0035601]	Pa×s	[194.15; 386.15]
η	0.0035601	Pa×s	194.15	Joback Calculated Property
η	0.0016964	Pa×s	226.15	Joback Calculated Property
η	0.0009714	Pa×s	258.15	Joback Calculated Property
η	0.0006290	Pa×s	290.15	Joback Calculated Property
η	0.0004441	Pa×s	322.15	Joback Calculated Property
η	0.0003338	Pa×s	354.15	Joback Calculated Property
η	0.0002631	Pa×s	386.15	Joback Calculated Property

Similar Compounds

Find more compounds similar to Cyclopentane, ethylidene-.

Sources

• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
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