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

using model chemistry: B97D3/daug-cc-pVTZ

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 B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-489.264617
Energy at 298.15K 
HF Energy-489.264617
Nuclear repulsion energy98.823041
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 B97D3/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 791 791 121.56 5.09 0.53 0.69
2 A1 316 316 14.34 0.87 0.14 0.24
3 B2 804 804 168.86 6.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 955.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 955.8 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 B97D3/daug-cc-pVTZ
ABC
0.97212 0.28038 0.21761

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.584
F2 0.000 1.258 -0.454
F3 0.000 -1.258 -0.454

Atom - Atom Distances (Å)
  Si1 F2 F3
Si11.63051.6305
F21.63052.5158
F31.63052.5158

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 100.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.303      
2 F -0.651      
3 F -0.651      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.211 1.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.085 0.000 0.000
y 0.000 -25.107 0.000
z 0.000 0.000 -23.491
Traceless
 xyz
x 4.214 0.000 0.000
y 0.000 -3.319 0.000
z 0.000 0.000 -0.896
Polar
3z2-r2-1.791
x2-y25.022
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.485 0.000 0.000
y 0.000 4.723 0.000
z 0.000 0.000 4.370


<r2> (average value of r2) Å2
<r2> 51.257
(<r2>)1/2 7.159

State 2 (3B1)

Jump to S1C1
Energy calculated at B97D3/daug-cc-pVTZ
 hartrees
Energy at 0K-489.150636
Energy at 298.15K 
HF Energy-489.150636
Nuclear repulsion energy97.263832
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 B97D3/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 750 750 62.46 22.34 0.68 0.81
2 A1 243 243 9.29 0.30 0.60 0.75
3 B2 857 857 132.14 7.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 925.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 925.0 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 B97D3/daug-cc-pVTZ
ABC
1.35590 0.23433 0.19980

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.494
F2 0.000 1.376 -0.384
F3 0.000 -1.376 -0.384

Atom - Atom Distances (Å)
  Si1 F2 F3
Si11.63251.6325
F21.63252.7520
F31.63252.7520

picture of Silicon difluoride state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 F3 114.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.270      
2 F -0.635      
3 F -0.635      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.099 1.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.889 0.000 0.000
y 0.000 4.921 0.000
z 0.000 0.000 4.547


<r2> (average value of r2) Å2
<r2> 54.615
(<r2>)1/2 7.390