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

using model chemistry: CCSD=FULL/daug-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 CCSD=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-488.720298
Energy at 298.15K 
HF Energy-488.003994
Nuclear repulsion energy100.857544
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 CCSD=FULL/daug-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 874 874 139.21      
2 A1 347 347 20.59      
3 B2 887 887 183.55      

Unscaled Zero Point Vibrational Energy (zpe) 1054.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1054.0 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 CCSD=FULL/daug-cc-pVTZ
ABC
0.98994 0.29543 0.22753

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.578
F2 0.000 1.225 -0.450
F3 0.000 -1.225 -0.450

Atom - Atom Distances (Å)
  Si1 F2 F3
Si11.59961.5996
F21.59962.4509
F31.59962.4509

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 100.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability