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 C₂H₄O (Ethylene oxide)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K	x
	Energy 0K		711
	Energy 298.15K		101
	Atomization Enthalpy 298.15K	x	82	x
	Atomization Enthalpy 0K	x	82	x
	Entropy (298.15K)	x	52	x
	Entropy at any temperature		52
	Integrated Heat Capacity	x	52	x
	Heat Capacity (Cp)	x	52	x
	Nuclear Repulsion Energy		671
	HOMO-LUMO Energies		597
	Barriers to Internal Rotation		0
Geometries	Cartesians	x	640
	Internal Coordinates	x	640	x
	Products of moments of inertia	x	643	x
	Rotational Constants	x	652	x
	Point Group		653
Vibrations	Vibrational Frequencies	fun.	637	x
	Vibrational Intensities		810
	Zero-point energies	x	637	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		419
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		382
	Dipole	x	511	x
	Quadrupole	x	418	x
	Polarizability	x	427	x
Other results	Spin		0
	Number of basis functions		68
	Conformations		1