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 SiP⁺ (Silicon monophosphide cation)

Property		Experiment	Calculated	Comparison
Energies Entropies	Enthalpy 298.15K
	Enthalpy 0K
	Energy 0K		581
	Energy 298.15K		547
	Atomization Enthalpy 298.15K		0
	Atomization Enthalpy 0K		0
	Entropy (298.15K)		0
	Entropy at any temperature		0
	Integrated Heat Capacity		0
	Heat Capacity (Cp)		0
	Nuclear Repulsion Energy		565
	HOMO-LUMO Energies		560
	Barriers to Internal Rotation		0
Geometries	Cartesians		572
	Internal Coordinates		572
	Products of moments of inertia		544
	Rotational Constants		556
	Point Group		573
Vibrations	Vibrational Frequencies		556
	Vibrational Intensities		528
	Zero-point energies		556
	Vibrational scaling factors
	Anharmonic frequencies and constants
	Raman frequencies and intensities		10
Electronic States	Electronic states	x	274
Electrostatics	Atom charges		326
	Dipole		360
	Quadrupole		351
	Polarizability		329
Other results	Spin		266
	Number of basis functions		56
	Conformations		1