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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	C2V	¹A₁
2	1	yes	C2V	³B₁

	hartrees
Energy at 0K	-488.498031
Energy at 298.15K
HF Energy	-487.981073
Nuclear repulsion energy	99.147557

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	838	807
2	A₁	336	324
3	B₂	844	813

Atom	y (Å)	z (Å)
Si1	0.000	0.590
F2	1.245	-0.459
F3	-1.245	-0.459

	Si1	F2	F3
Si1		1.6277	1.6277
F2	1.6277		2.4891
F3	1.6277	2.4891

All results from a given calculation for SiF₂ (Silicon difluoride)

using model chemistry: QCISD(T)/TZVP

States and conformations

State 1 (¹A₁)

State 2 (³B₁)

	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
You are here: Calculated > Energy > Optimized > Energy

	hartrees
Energy at 0K	-488.380968
Energy at 298.15K	-488.261171
HF Energy	-487.895868
Nuclear repulsion energy	97.669417

All results from a given calculation for SiF2 (Silicon difluoride)

using model chemistry: QCISD(T)/TZVP

States and conformations

State 1 (1A1)

State 2 (3B1)

All results from a given calculation for SiF₂ (Silicon difluoride)

State 1 (¹A₁)

State 2 (³B₁)