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 C₅H₁₀ (Cyclopentane)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K	x
	Energy 0K		229
	Energy 298.15K		153
	Atomization Enthalpy 298.15K	x	21	x
	Atomization Enthalpy 0K	x	27	x
	Entropy (298.15K)	x	16	x
	Entropy at any temperature		16
	Integrated Heat Capacity	x	16	x
	Heat Capacity (Cp)	x	16	x
	Nuclear Repulsion Energy		222
	HOMO-LUMO Energies		208
	Barriers to Internal Rotation		0
Geometries	Cartesians		203
	Internal Coordinates	x	0	x
	Products of moments of inertia		209
	Rotational Constants		217
	Point Group		225
Vibrations	Vibrational Frequencies	fun.	215	x
	Vibrational Intensities		317
	Zero-point energies	x	215	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		173
	Dipole		201
	Quadrupole		191
	Polarizability	x	197	x
Other results	Spin		0
	Number of basis functions		28
	Conformations		2	x