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 SiH⁺ (silicon monohydride cation)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		519
	Energy 298.15K		488
	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)		0
	Nuclear Repulsion Energy		514
	HOMO-LUMO Energies		442
	Barriers to Internal Rotation		0
Geometries	Cartesians	x	515
	Internal Coordinates	x	515	x
	Products of moments of inertia	x	497	x
	Rotational Constants	x	506	x
	Point Group		517
Vibrations	Vibrational Frequencies	fun. har.	506	x
	Vibrational Intensities		650
	Zero-point energies	x	506	x
	Vibrational scaling factors	x
	Anharmonic frequencies and constants
	Raman frequencies and intensities		5
Electronic States	Electronic states	x	0
Electrostatics	Atom charges		296
	Dipole		359
	Quadrupole		289
	Polarizability		318
Other results	Spin		9
	Number of basis functions		101
	Conformations		1