CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference	Comment
Hfg(298.15K)	945.60		kJ mol^-1	webbook
Hfg(0K)	957.70		kJ mol^-1	webbook

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A₁	3112		webbook					CH₂ s-stretch
7	A₁	436							bend
9	A₂	603							CH₂ twist
10	B₁	1009							CH out-of-plane bend
11	B₁	1111							CH₂ wag
12	B₁	283							CH₂ twist
15	B₂	1581							CH₂ scissors
16	B₂	1418							CH bend
17	B₂	1276							CC a-stretch

Bond Type	Count
C=C	1
H-C	5
C-C	1

Atom 1	Atom 2
C1	H2
C1	C3
C1	C4
C3	H5
C3	H7
C4	H6
C4	H8

State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A₁	C_2v	True							C_2v	1	2

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for C3H5+ (Allyl cation)

Experimental data for C₃H₅⁺ (Allyl cation)