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-, (Z)-)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		267
	Energy 298.15K		256
	Atomization Enthalpy 298.15K		175
	Atomization Enthalpy 0K		175
	Entropy (298.15K)		180
	Entropy at any temperature		180
	Integrated Heat Capacity		180
	Heat Capacity (Cp)		180
	Nuclear Repulsion Energy		255
	HOMO-LUMO Energies		258
	Barriers to Internal Rotation		0
Geometries	Cartesians	x	245
	Internal Coordinates	x	244	x
	Products of moments of inertia	x	254	x
	Rotational Constants	x	258	x
	Point Group		259
Vibrations	Vibrational Frequencies		253
	Vibrational Intensities		265
	Zero-point energies		253
	Vibrational scaling factors
	Anharmonic frequencies and constants		1
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		170
	Dipole	x	178	x
	Quadrupole	x	172	x
	Polarizability		177
Other results	Spin		0
	Number of basis functions		8
	Conformations		1