Chemical Properties of 1H-Indene, 1-ethylidene-

InChI

InChI=1S/C11H10/c1-2-9-7-8-10-5-3-4-6-11(9)10/h2-8H,1H3/b9-2+

InChI Key

HNZQPQACDDJLTD-XNWCZRBMSA-N

Formula

C11H10

SMILES

C/C=C1\C=Cc2ccccc21

Molecular Weight¹

142.20

Other Names

• Indene, 1-ethylidene-
• 1-Ethylidene-1H-indene
• 1-Ethylidene indene

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fusH° : Enthalpy of fusion 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.
• I : Polar retention indices.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfusH°	16.51	kJ/mol	Joback Calculated Property
IE	7.56	eV	Relay (1.0) Calculated Property
logPoct/wat	3.117		Crippen Calculated Property
McVol	122.630	ml/mol	McGowan Calculated Property
Inp	227.46		NIST
I	[1867.00; 1867.00]
I	1867.00		NIST
I	1867.00		NIST

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, 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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[144.26; 373.06]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-6.40200e+01
Coefficient B			9.54320e-01
Coefficient C			-7.70140e-04
Coefficient D			2.52900e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	144.26	J/mol×K	273.00	Calculated Property
Cp,gas	188.41	J/mol×K	353.78	Calculated Property
Cp,gas	226.01	J/mol×K	434.56	Calculated Property
Cp,gas	257.86	J/mol×K	515.33	Calculated Property
Cp,gas	284.76	J/mol×K	596.11	Calculated Property
Cp,gas	307.52	J/mol×K	676.89	Calculated Property
Cp,gas	326.93	J/mol×K	757.67	Calculated Property
Cp,gas	343.79	J/mol×K	838.44	Calculated Property
Cp,gas	358.90	J/mol×K	919.22	Calculated Property
Cp,gas	373.06	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0012341; 0.0003313]	Pa×s	[285.97; 511.29]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-9.68176e+00
Coefficient B			8.53430e+02
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			285.97
Temperature range, max.			511.29
η	0.0012341	Pa×s	285.97	Calculated Property
η	0.0009705	Pa×s	311.01	Calculated Property
η	0.0007911	Pa×s	336.04	Calculated Property
η	0.0006634	Pa×s	361.08	Calculated Property
η	0.0005691	Pa×s	386.11	Calculated Property
η	0.0004974	Pa×s	411.15	Calculated Property
η	0.0004416	Pa×s	436.18	Calculated Property
η	0.0003971	Pa×s	461.22	Calculated Property
η	0.0003610	Pa×s	486.26	Calculated Property
η	0.0003313	Pa×s	511.29	Calculated Property

Similar Compounds

Find more compounds similar to 1H-Indene, 1-ethylidene-.

Sources

• Cheméo Relay (1.0)
• 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

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