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

using model chemistry: CID/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/cc-pVTZ
 hartrees
Energy at 0K-488.544223
Energy at 298.15K 
HF Energy-487.998515
Nuclear repulsion energy101.156581
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/cc-pVTZ
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 896 830 146.06      
2 A1 361 335 21.75      
3 B2 907 840 182.83      

Unscaled Zero Point Vibrational Energy (zpe) 1082.3 cm-1
Scaled (by 0.9265) Zero Point Vibrational Energy (zpe) 1002.7 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/cc-pVTZ
ABC
0.99786 0.29687 0.22880

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.576
F2 0.000 1.222 -0.448
F3 0.000 -1.222 -0.448

Atom - Atom Distances (Å)
  Si1 F2 F3
Si11.59461.5946
F21.59462.4449
F31.59462.4449

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 100.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability