t-C3H2

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Species data

Common Formula	t-C3H2
Stoichiometric Formula	C3H2
Name	Propynylidene
Mass	38.01565 a.m.u
Charge	0
CAS	2008-19-7
Inchi	InChI=1S/C3H2/c1-3-2/h1-2H
InchiKey	OUSWHEMIRJJMAW-UHFFFAOYSA-N
State	Ground State

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KIDA t-C3H2

ISM Abundance

log₁₀ Abundance	Reference	Source Name	Source Type	Link

Polarizability

Evaluation	Definition	Value (Å³)	Method	Origin	Reference
	total	5.73	Calculations	Bibliography	Vidal, T.~H.~G. et al. ;2017;MNRAS;469, 435-447

Definition: total Value (Å³): 5.73 Method: Calculations Origin: Bibliography Reference: Vidal, T.~H.~G. et al. ;2017;MNRAS;469, 435-447

Dipole moment

Evaluation	Value (D)	Method	Origin	Reference
	0.51	Calculations	Bibliography	Nguyen, T.~L. et al. ;2001;J. Phys. Chem. A;105, 11549

Value (D): 0.51 Method: Calculations Origin: Bibliography Reference: Nguyen, T.~L. et al. ;2001;J. Phys. Chem. A;105, 11549

Enthalpy of formation

Evaluation	T (K)	Value (kJ.mol^-1)	Method	Origin	Reference
	300	543	Calculations	Bibliography	Aguilera-Iparraguirre, J. et al. ;2008;Chemical Physics;346, 56-68

T (K): 300 Value (kJ.mol^-1) : 543 Method: Calculations Origin: Bibliography Reference: Aguilera-Iparraguirre, J. et al. ;2008;Chemical Physics;346, 56-68

Desorption energy

No data

Diffusion energy

No data