HC2O

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Species data

Common Formula	HC2O
Stoichiometric Formula	HC2O
Name	Ethynyloxy radical
Mass	41.00274 a.m.u
Charge	0
CAS	51095-15-9
Inchi	InChI=1S/C2HO/c1-2-3/h1H
InchiKey	QEJQAPYSVNHDJF-UHFFFAOYSA-N
State	Ground State

Search all reactions with HC2O

KIDA HC2O

ISM Abundance

log₁₀ Abundance	Reference	Source Name	Source Type	Link

Polarizability

Evaluation	Definition	Value (Å³)	Method	Origin	Reference
	total	4.2	Calculation	Bibliography	Loison, J.-C. et al. ;2017;\mnras;470, 4075-4088

Definition: total Value (Å³): 4.2 Method: Calculation Origin: Bibliography Reference: Loison, J.-C. et al. ;2017;\mnras;470, 4075-4088

Dipole moment

Evaluation	Value (D)	Method	Origin	Reference
	1.8	Calculations	Private communication	M06-2X/cc-aug-VTZ calculations (JC Loison)

Value (D): 1.8 Method: Calculations Origin: Private communication Reference: M06-2X/cc-aug-VTZ calculations (JC Loison)

Enthalpy of formation

Evaluation	T (K)	Value (kJ.mol^-1)	Method	Origin	Reference
	298	175	Measurements	Bibliography	Baulch, D. L. et al. ;2005;J. Phys. Chem. Ref. Data;34, 757-1397

T (K): 298 Value (kJ.mol^-1) : 175 Method: Measurements Origin: Bibliography Reference: Baulch, D. L. et al. ;2005;J. Phys. Chem. Ref. Data;34, 757-1397

Desorption energy

Evaluation	E_mean (K)	E_min (K)	E_max (K)	Pre-exponential factor (s^-1)	Order factor	Method	Origin	Reference	Type of surface	Description
	2400	0	0	0.00E+0	1	Estimation	Database : OSU		H2O	This binding energy was listed in the original OSU gas-grain code from Eric Herbst group in 2006. Energy of C2O + H. The pre-exponential factor is not given. It can be computed using the formula given in Hasegawa et al. (1992).

E_mean (K): 2400 E _min (K): 0 E _max (K): 0 Pre-exponential factor (s^-1): 0.00E+0 Method: Estimation Origin: Other database Reference: Type of surface: H2O Description: This binding energy was listed in the original OSU gas-grain code from Eric Herbst group in 2006. Energy of C2O + H. The pre-exponential factor is not given. It can be computed using the formula given in Hasegawa et al. (1992). Evaluation:

Diffusion energy

No data