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 C₄H₈ (methylcyclopropane)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		416
	Energy 298.15K		390
	Atomization Enthalpy 298.15K		0
	Atomization Enthalpy 0K		0
	Entropy (298.15K)	x	0	x
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)	x	0	x
	Nuclear Repulsion Energy		414
	HOMO-LUMO Energies		379
	Barriers to Internal Rotation		0
Geometries	Cartesians		411
	Internal Coordinates		411
	Products of moments of inertia	x	403	x
	Rotational Constants	x	411	x
	Point Group		418
Vibrations	Vibrational Frequencies		397
	Vibrational Intensities		374
	Zero-point energies		397
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		258
	Dipole	x	352	x
	Quadrupole		296
	Polarizability		309
Other results	Spin		0
	Number of basis functions		29
	Conformations		1