Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All data (experiment and calculated) in the CCCBDB for C₂H₄OH⁺ (ethylene oxide, protonated)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		559
	Energy 298.15K		10
	Atomization Enthalpy 298.15K		0
	Atomization Enthalpy 0K		0
	Entropy (298.15K)		0
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)		0
	Nuclear Repulsion Energy		535
	HOMO-LUMO Energies		500
	Barriers to Internal Rotation		0
Geometries	Cartesians		550
	Internal Coordinates		24
	Products of moments of inertia		551
	Rotational Constants		559
	Point Group		561
Vibrations	Vibrational Frequencies		6
	Vibrational Intensities		6
	Zero-point energies		6
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		327
	Dipole		451
	Quadrupole		369
	Polarizability		387
Other results	Spin		1
	Number of basis functions		0
	Conformations		1