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 CH₃CHCHCH₃ (2-Butene, (Z)-)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K
	Energy 0K		314
	Energy 298.15K		303
	Atomization Enthalpy 298.15K	x	215	x
	Atomization Enthalpy 0K		214
	Entropy (298.15K)	x	190	x
	Entropy at any temperature		190
	Integrated Heat Capacity	x	190	x
	Heat Capacity (Cp)	x	188	x
	Nuclear Repulsion Energy		270
	HOMO-LUMO Energies		251
	Barriers to Internal Rotation		0
Geometries	Cartesians		244
	Internal Coordinates	x	243	x
	Products of moments of inertia	x	258	x
	Rotational Constants	x	262	x
	Point Group		263
Vibrations	Vibrational Frequencies	fun.	257	x
	Vibrational Intensities		277
	Zero-point energies		257
	Vibrational scaling factors
	Anharmonic frequencies and constants		1
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		197
	Dipole	x	220	x
	Quadrupole		205
	Polarizability		186
Other results	Spin		0
	Number of basis functions		7
	Conformations		1