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 Cl₂^- (chlorine diatomic anion)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K
	Energy 0K		524
	Energy 298.15K		510
	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		515
	HOMO-LUMO Energies		456
	Barriers to Internal Rotation		0
Geometries	Cartesians		519
	Internal Coordinates		518
	Products of moments of inertia		511
	Rotational Constants		517
	Point Group		519
Vibrations	Vibrational Frequencies		514
	Vibrational Intensities		664
	Zero-point energies		514
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		302
	Dipole		342
	Quadrupole		302
	Polarizability		348
Other results	Spin		518
	Number of basis functions		102
	Conformations		1