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 HeH (Helium hydride)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		56
	Energy 298.15K		44
	Atomization Enthalpy 298.15K		0
	Atomization Enthalpy 0K		0
	Entropy (298.15K)		0
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)		0
	Nuclear Repulsion Energy		54
	HOMO-LUMO Energies		55
	Barriers to Internal Rotation		0
Geometries	Cartesians		57
	Internal Coordinates		57
	Products of moments of inertia		51
	Rotational Constants		53
	Point Group		58
Vibrations	Vibrational Frequencies		54
	Vibrational Intensities		54
	Zero-point energies		54
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		43
	Dipole		48
	Quadrupole		43
	Polarizability		44
Other results	Spin		48
	Number of basis functions		30
	Conformations		1