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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

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

State 1 (1A1)

Jump to S2C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-488.402132
Energy at 298.15K-488.282489
HF Energy-487.953778
Nuclear repulsion energy100.661111
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 895 831 156.63      
2 A1 365 339 26.31      
3 B2 904 840 190.66      

Unscaled Zero Point Vibrational Energy (zpe) 1082.1 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 1005.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
ABC
0.98087 0.29510 0.22685

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.581
F2 0.000 1.226 -0.452
F3 0.000 -1.226 -0.452

Atom - Atom Distances (Å)
  Si1 F2 F3
Si11.60311.6031
F21.60312.4523
F31.60312.4523

picture of Silicon difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 F3 99.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3B1)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-488.293968
Energy at 298.15K-488.174233
HF Energy-487.865701
Nuclear repulsion energy99.130758
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 853 792 79.96      
2 A1 281 262 25.21      
3 B2 976 907 173.31      

Unscaled Zero Point Vibrational Energy (zpe) 1054.9 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 980.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
ABC
1.37380 0.24540 0.20821

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability