Chemical Properties of Methylidyne (CAS 3315-37-5)

InChI

InChI=1S/CH/h1H

InChI Key

VRLIPUYDFBXWCH-UHFFFAOYSA-N

Formula

CH

SMILES

[CH]

Molecular Weight¹

13.02

CAS

3315-37-5

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• EA : Electron affinity (eV).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
EA	[0.74; 2.60]	eV
EA	1.26 ± 0.02	eV	NIST
EA	1.24 ± 0.01	eV	NIST
EA	0.74 ± 0.05	eV	NIST
EA	2.60 ± 0.30	eV	NIST
IE	[10.64; 10.64]	eV
IE	10.64 ± 0.01	eV	NIST
IE	10.64	eV	NIST
IE	10.64 ± 0.01	eV	NIST
logPoct/wat	0.204		Crippen Calculated Property
McVol	18.500	ml/mol	McGowan Calculated Property

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	[29.17; 33.41]	J/mol×K	[298.00; 1100.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K
Coefficient A			3.29421e+01
Coefficient B			-1.67106e+01
Coefficient C			2.41859e+01
Coefficient D			-7.78471e+00
Coefficient E			-6.51980e-02
Reference			Chase, 1998
Temperature range, min.			298.00
Temperature range, max.			1100.00
Cp,gas	29.17	J/mol×K	298.00	Calculated Property
Cp,gas	29.21	J/mol×K	387.11	Calculated Property
Cp,gas	29.34	J/mol×K	476.22	Calculated Property
Cp,gas	29.61	J/mol×K	565.33	Calculated Property
Cp,gas	30.03	J/mol×K	654.44	Calculated Property
Cp,gas	30.57	J/mol×K	743.56	Calculated Property
Cp,gas	31.21	J/mol×K	832.67	Calculated Property
Cp,gas	31.92	J/mol×K	921.78	Calculated Property
Cp,gas	32.66	J/mol×K	1010.89	Calculated Property
Cp,gas	33.41	J/mol×K	1100.00	Calculated Property
Cp,gas	[33.16; 43.16]	J/mol×K	[1100.00; 6000.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K
Coefficient A			3.01537e+01
Coefficient B			8.45511e+00
Coefficient C			-1.96964e+00
Coefficient D			1.54270e-01
Coefficient E			-4.98009e+00
Reference			Chase, 1998
Temperature range, min.			1100.00
Temperature range, max.			6000.00
Cp,gas	33.16	J/mol×K	1100.00	Calculated Property
Cp,gas	37.58	J/mol×K	1644.44	Calculated Property
Cp,gas	39.80	J/mol×K	2188.89	Calculated Property
Cp,gas	41.03	J/mol×K	2733.33	Calculated Property
Cp,gas	41.68	J/mol×K	3277.78	Calculated Property
Cp,gas	41.97	J/mol×K	3822.22	Calculated Property
Cp,gas	42.10	J/mol×K	4366.67	Calculated Property
Cp,gas	42.24	J/mol×K	4911.11	Calculated Property
Cp,gas	42.54	J/mol×K	5455.56	Calculated Property
Cp,gas	43.16	J/mol×K	6000.00	Calculated Property

Similar Compounds

Find more compounds similar to Methylidyne.

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
• McGowan Method
• NIST Webbook

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