C2H+

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Species data

Common Formula	C2H+
Stoichiometric Formula	C2H+
Name	Ethynyl cation
Mass	25.00728 a.m.u
Charge	1
CAS
Inchi	InChI=1S/C2H/c1-2/h1H/q+1
InchiKey	UAYUAPRVBCKABF-UHFFFAOYSA-N
State	Ground State

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KIDA C2H+

ISM Abundance

log₁₀ Abundance	Reference	Source Name	Source Type	Link

Polarizability

Evaluation	Definition	Value (Å³)	Method	Origin	Reference
	total	1.973	Calculations	Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE

Definition: total Value (Å³): 1.973 Method: Calculations Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE Reference:

Dipole moment

Evaluation	Value (D)	Method	Origin	Reference
	-0.714	Calculations	Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE

Value (D): -0.714 Method: Calculations Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE Reference:

Enthalpy of formation

Evaluation	T (K)	Value (kJ.mol^-1)	Method	Origin	Reference
	0	1687.566 ±0.18	Reviews and Evaluations	Database : Burcat
	298	1697.1 ±0.18	Reviews and Evaluations	Database : Burcat
	0	576.61 ±5	Estimation	Database : CCCBDB (http://cccbdb.nist.gov/)
	298	580.13 ±5	Estimation	Database : CCCBDB (http://cccbdb.nist.gov/)

T (K): 0 Value (kJ.mol^-1) : 1687.566 ±0.18 Method: Reviews and Evaluations Origin: Other database Reference:
T (K): 298 Value (kJ.mol^-1) : 1697.1 ±0.18 Method: Reviews and Evaluations Origin: Other database Reference:
T (K): 0 Value (kJ.mol^-1) : 576.61 ±5 Method: Estimation Origin: Other database Reference:
T (K): 298 Value (kJ.mol^-1) : 580.13 ±5 Method: Estimation Origin: Other database Reference:

Desorption energy

No data

Diffusion energy

No data