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 (1-Butene, 2-methyl-)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K	x
	Enthalpy 0K	x
	Energy 0K		230
	Energy 298.15K		216
	Atomization Enthalpy 298.15K	x	159	x
	Atomization Enthalpy 0K	x	164	x
	Entropy (298.15K)	x	155	x
	Entropy at any temperature		155
	Integrated Heat Capacity	x	155	x
	Heat Capacity (Cp)	x	155	x
	Nuclear Repulsion Energy		217
	HOMO-LUMO Energies		106
	Barriers to Internal Rotation		0
Geometries	Cartesians		187
	Internal Coordinates	x	186	x
	Products of moments of inertia		207
	Rotational Constants		212
	Point Group		216
Vibrations	Vibrational Frequencies	fun.	213	x
	Vibrational Intensities		223
	Zero-point energies	x	213	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		184
	Dipole		189
	Quadrupole		182
	Polarizability		170
Other results	Spin		0
	Number of basis functions		6
	Conformations		1