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	hartrees
Energy at 0K	-683.272084
Energy at 298.15K	-683.274016
Nuclear repulsion energy	267.753131

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	845	765	0.00
2	E	270	244	0.00
2	E	270	244	0.00
3	T₂	1156	1047	192.13
3	T₂	1156	1047	192.13
3	T₂	1156	1047	192.13
4	T₂	392	355	97.93
4	T₂	392	355	97.93
4	T₂	392	355	97.93

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.000
F2	0.915	0.915	0.915
F3	-0.915	-0.915	0.915
F4	-0.915	0.915	-0.915
F5	0.915	-0.915	-0.915

	Si1	F2	F3	F4	F5
Si1		1.5843	1.5843	1.5843	1.5843
F2	1.5843		2.5871	2.5871	2.5871
F3	1.5843	2.5871		2.5871	2.5871
F4	1.5843	2.5871	2.5871		2.5871
F5	1.5843	2.5871	2.5871	2.5871

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
F2	Si1	F3	109.471	F2	Si1	F4	109.471
F2	Si1	F5	109.471	F3	Si1	F4	109.471
F3	Si1	F5	109.471	F4	Si1	F5	109.471

All results from a given calculation for SiF₄ (Silicon tetrafluoride)

using model chemistry: HF/3-21G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken	CHELPG	ESP
1	Si	2.061	2.196	2.209
2	F	-0.515	-0.549	-0.552
3	F	-0.515	-0.549	-0.552
4	F	-0.515	-0.549	-0.552
5	F	-0.515	-0.549	-0.552

<r²>	111.471
(<r²>)^1/2	10.558

All results from a given calculation for SiF4 (Silicon tetrafluoride)

using model chemistry: HF/3-21G

States and conformations

All results from a given calculation for SiF₄ (Silicon tetrafluoride)