Chemical Properties of Methyl radical (CAS 2229-07-4)

InChI

InChI=1S/CH3/h1H3

InChI Key

WCYWZMWISLQXQU-UHFFFAOYSA-N

Formula

CH3

SMILES

[CH3]

Molecular Weight¹

15.03

CAS

2229-07-4

• 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_fH_{(+) ion,0K} : Enthalpy of formation of positive ion at 0K (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	0.1142		Relay (... Calculated Property
EA	[0.08; 1.13]	eV
EA	0.08 ± 0.03	eV	NIST
EA	0.50	eV	NIST
EA	0.62 ± 0.01	eV	NIST
EA	0.13	eV	NIST
EA	1.13	eV	NIST
EA	1.00 ± 1.10	eV	NIST
EA	1.08	eV	NIST
ΔfG°	9.92	kJ/mol	Joback Calculated Property
ΔfH°gas	147.00 ± 1.00	kJ/mol	NIST
ΔfH°(+) ion	1095.00	kJ/mol	NIST
ΔfH(+) ion,0K	1099.00	kJ/mol	NIST
ΔfusH°	0.03	kJ/mol	Joback Calculated Property
ΔvapH°	5.22	kJ/mol	Relay (... Calculated Property
IE	[9.60; 9.87]	eV
IE	9.84 ± 0.01	eV	NIST
IE	9.84 ± 0.00	eV	NIST
IE	9.84	eV	NIST
IE	9.84 ± 0.02	eV	NIST
IE	9.84 ± 0.05	eV	NIST
IE	Outlier 9.60 ± 0.30	eV	NIST
IE	9.84 ± 0.01	eV	NIST
IE	9.86 ± 0.04	eV	NIST
IE	9.81 ± 0.02	eV	NIST
IE	9.84 ± 0.03	eV	NIST
IE	9.87 ± 0.05	eV	NIST
IE	9.83 ± 0.01	eV	NIST
IE	9.82 ± 0.04	eV	NIST
IE	9.84 ± 0.00	eV	NIST
IE	9.84 ± 0.01	eV	NIST
IE	9.82 ± 0.02	eV	NIST
IE	9.86 ± 0.04	eV	NIST
log10WS	-1.00		Relay (... Calculated Property
logPoct/wat	0.450		Crippen Calculated Property
McVol	22.800	ml/mol	McGowan Calculated Property
Pc	6200.01	kPa	Joback Calculated Property
Tboil	209.92	K	Relay (... Calculated Property
Tc	323.58	K	Relay (... Calculated Property
Tfus	10.70	K	Relay (... Calculated Property
Vc	0.084	m3/kmol	Relay (... Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[15.82; 29.30]	J/mol×K	[221.58; 370.90]
Cp,gas	15.82	J/mol×K	221.58	Joback Calculated Property
Cp,gas	18.52	J/mol×K	246.47	Joback Calculated Property
Cp,gas	21.02	J/mol×K	271.35	Joback Calculated Property
Cp,gas	23.34	J/mol×K	296.24	Joback Calculated Property
Cp,gas	25.49	J/mol×K	321.13	Joback Calculated Property
Cp,gas	27.47	J/mol×K	346.02	Joback Calculated Property
Cp,gas	29.30	J/mol×K	370.90	Joback Calculated Property
η	[0.0000241; 0.0000294]	Pa×s	[117.40; 221.58]
η	0.0000241	Pa×s	117.40	Joback Calculated Property
η	0.0000255	Pa×s	134.76	Joback Calculated Property
η	0.0000266	Pa×s	152.13	Joback Calculated Property
η	0.0000275	Pa×s	169.49	Joback Calculated Property
η	0.0000282	Pa×s	186.85	Joback Calculated Property
η	0.0000289	Pa×s	204.22	Joback Calculated Property
η	0.0000294	Pa×s	221.58	Joback Calculated Property

Similar Compounds

Find more compounds similar to Methyl radical.

Sources

• Cheméo Relay (1.0)
• 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.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.