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 Be₂^- (Beryllium diatomic anion)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		86
	Energy 298.15K		73
	Atomization Enthalpy 298.15K		2
	Atomization Enthalpy 0K		2
	Entropy (298.15K)		0
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)		0
	Nuclear Repulsion Energy		73
	HOMO-LUMO Energies		76
	Barriers to Internal Rotation		0
Geometries	Cartesians		78
	Internal Coordinates		59
	Products of moments of inertia		71
	Rotational Constants		74
	Point Group		77
Vibrations	Vibrational Frequencies		75
	Vibrational Intensities		291
	Zero-point energies		75
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		37
	Dipole		59
	Quadrupole		54
	Polarizability		211
Other results	Spin		76
	Number of basis functions		122
	Conformations		1