Chemical Properties of Ethynyl radical (CAS 2122-48-7)

InChI

InChI=1S/C2H/c1-2/h1H

InChI Key

XEHVFKKSDRMODV-UHFFFAOYSA-N

Formula

C2H

SMILES

[C]#C

Molecular Weight¹

25.03

CAS

2122-48-7

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• EA : Electron affinity (eV).
• Δ_fH°_gas : Enthalpy of formation 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).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	753.00	kJ/mol	NIST
BasG	720.80	kJ/mol	NIST
EA	[2.10; 3.73]	eV
EA	2.97 ± 0.00	eV	NIST
EA	2.97 ± 0.01	eV	NIST
EA	2.96 ± 0.02	eV	NIST
EA	2.94 ± 0.10	eV	NIST
EA	2.30 ± 0.70	eV	NIST
EA	Outlier 3.73 ± 0.05	eV	NIST
EA	2.10 ± 0.30	eV	NIST
EA	2.80	eV	NIST
EA	2.65	eV	NIST
ΔfH°gas	556.00 ± 8.00	kJ/mol	NIST
IE	[11.31; 11.96]	eV
IE	11.61 ± 0.07	eV	NIST
IE	11.61 ± 0.07	eV	NIST
IE	11.70	eV	NIST
IE	11.31 ± 0.13	eV	NIST
IE	11.51	eV	NIST
IE	11.96 ± 0.05	eV	NIST
IE	11.96 ± 0.05	eV	NIST
IE	11.60 ± 0.50	eV	NIST
log10WS	-0.06		Crippen Calculated Property
logPoct/wat	0.206		Crippen Calculated Property
McVol	28.290	ml/mol	McGowan Calculated Property

Similar Compounds

Find more compounds similar to Ethynyl radical.

Sources

• Crippen Method
• Crippen 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.