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 C₂H₂F₂ (Ethene, 1,2-difluoro-, (E)-)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		255
	Energy 298.15K		242
	Atomization Enthalpy 298.15K		18
	Atomization Enthalpy 0K		22
	Entropy (298.15K)		188
	Entropy at any temperature		188
	Integrated Heat Capacity		188
	Heat Capacity (Cp)		188
	Nuclear Repulsion Energy		258
	HOMO-LUMO Energies		260
	Barriers to Internal Rotation		0
Geometries	Cartesians	x	248
	Internal Coordinates	x	247	x
	Products of moments of inertia		251
	Rotational Constants		260
	Point Group		262
Vibrations	Vibrational Frequencies		255
	Vibrational Intensities		257
	Zero-point energies		255
	Vibrational scaling factors
	Anharmonic frequencies and constants		1
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		169
	Dipole		172
	Quadrupole		167
	Polarizability		200
Other results	Spin		0
	Number of basis functions		27
	Conformations		1