Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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All data (experiment and calculated) in the CCCBDB for NH₂CN (cyanamide)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K
	Energy 0K		652
	Energy 298.15K		293
	Atomization Enthalpy 298.15K		1
	Atomization Enthalpy 0K		128
	Entropy (298.15K)		0
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)		0
	Nuclear Repulsion Energy		639
	HOMO-LUMO Energies		588
	Barriers to Internal Rotation		169
Geometries	Cartesians	x	636
	Internal Coordinates	x	636	x
	Products of moments of inertia	x	624	x
	Rotational Constants	x	637	x
	Point Group		647
Vibrations	Vibrational Frequencies	fun.	643	x
	Vibrational Intensities		657
	Zero-point energies		643
	Vibrational scaling factors
	Anharmonic frequencies and constants		1
	Raman frequencies and intensities		10
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		397
	Dipole	x	471	x
	Quadrupole		423
	Polarizability		442
Other results	Spin		0
	Number of basis functions		9
	Conformations		2	x