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 CH₂CCH₂ (allene)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K	x
	Energy 0K		684
	Energy 298.15K		466
	Atomization Enthalpy 298.15K	x	48	x
	Atomization Enthalpy 0K	x	49	x
	Entropy (298.15K)	x	17	x
	Entropy at any temperature		17
	Integrated Heat Capacity		17
	Heat Capacity (Cp)	x	17	x
	Nuclear Repulsion Energy		652
	HOMO-LUMO Energies		572
	Barriers to Internal Rotation		0
Geometries	Cartesians	x	611
	Internal Coordinates	x	611	x
	Products of moments of inertia	x	615	x
	Rotational Constants	x	624	x
	Point Group		650
Vibrations	Vibrational Frequencies	fun.	612	x
	Vibrational Intensities		780
	Zero-point energies	x	612	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		419
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		379
	Dipole	x	525	x
	Quadrupole	x	431	x
	Polarizability	x	445	x
Other results	Spin		0
	Number of basis functions		38
	Conformations		1