Chemical Properties of 2-Butyl radical

InChI

InChI=1S/C4H9/c1-3-4-2/h3H,4H2,1-2H3

InChI Key

ULOIAOPTGWSNHU-UHFFFAOYSA-N

Formula

C4H9

SMILES

C[CH]CC

Molecular Weight¹

57.12

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• EA : Electron affinity (eV).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_{(+) ion} : Enthalpy of formation of positive ion 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).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.2311		Relay (1.0) Calculated Property
EA	-0.13 ± 0.09	eV	NIST
ΔfG°	32.74	kJ/mol	Joback Calculated Property
ΔfH°gas	69.00 ± 2.00	kJ/mol	NIST
ΔfH°(+) ion	766.00 ± 4.00	kJ/mol	NIST
ΔfusH°	4.27	kJ/mol	Joback Calculated Property
ΔvapH°	20.19	kJ/mol	Relay (1.0) Calculated Property
IE	[7.25; 7.59]	eV
IE	7.25 ± 0.02	eV	NIST
IE	7.41 ± 0.05	eV	NIST
IE	7.59 ± 0.03	eV	NIST
log10WS	-1.56		Relay (1.0) Calculated Property
logPoct/wat	1.621		Crippen Calculated Property
McVol	65.070	ml/mol	McGowan Calculated Property
Pc	4162.33	kPa	Joback Calculated Property
Tboil	275.47	K	Relay (1.0) Calculated Property
Tc	432.69	K	Relay (1.0) Calculated Property
Tfus	111.58	K	Relay (1.0) Calculated Property
Vc	0.255	m3/kmol	Relay (1.0) Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[84.51; 210.10]	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			-2.28390e+01
Coefficient B			4.92840e-01
Coefficient C			-4.04400e-04
Coefficient D			1.44500e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	84.51	J/mol×K	273.00	Calculated Property
Cp,gas	107.30	J/mol×K	353.78	Calculated Property
Cp,gas	126.82	J/mol×K	434.56	Calculated Property
Cp,gas	143.52	J/mol×K	515.33	Calculated Property
Cp,gas	157.85	J/mol×K	596.11	Calculated Property
Cp,gas	170.29	J/mol×K	676.89	Calculated Property
Cp,gas	181.27	J/mol×K	757.67	Calculated Property
Cp,gas	191.26	J/mol×K	838.44	Calculated Property
Cp,gas	200.72	J/mol×K	919.22	Calculated Property
Cp,gas	210.10	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0004910; 0.0001582]	Pa×s	[136.21; 316.55]	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			-9.60692e+00
Coefficient B			2.70770e+02
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			136.21
Temperature range, max.			316.55
η	0.0004910	Pa×s	136.21	Calculated Property
η	0.0003805	Pa×s	156.25	Calculated Property
η	0.0003125	Pa×s	176.29	Calculated Property
η	0.0002671	Pa×s	196.32	Calculated Property
η	0.0002351	Pa×s	216.36	Calculated Property
η	0.0002115	Pa×s	236.40	Calculated Property
η	0.0001933	Pa×s	256.44	Calculated Property
η	0.0001791	Pa×s	276.47	Calculated Property
η	0.0001676	Pa×s	296.51	Calculated Property
η	0.0001582	Pa×s	316.55	Calculated Property

Similar Compounds

Find more compounds similar to 2-Butyl radical.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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