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All results from a given calculation for SiF (silicon monofluoride)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-389.226060
Energy at 298.15K-389.225332
HF Energy-389.226060
Nuclear repulsion energy40.572184
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 B3PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 816 784 150.94      

Unscaled Zero Point Vibrational Energy (zpe) 408.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 391.9 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 B3PW91/6-31+G**
B
0.55165

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.643
F2 0.000 0.000 -1.000

Atom - Atom Distances (Å)
  Si1 F2
Si11.6434
F21.6434

picture of silicon monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.287      
2 F -0.287      


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 1.210 1.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.042 0.000 0.000
y 0.000 -15.495 0.000
z 0.000 0.000 -19.520
Traceless
 xyz
x -2.534 0.000 0.000
y 0.000 4.286 0.000
z 0.000 0.000 -1.752
Polar
3z2-r2-3.503
x2-y2-4.547
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.643 0.000 0.000
y 0.000 3.181 0.000
z 0.000 0.000 3.890


<r2> (average value of r2) Å2
<r2> 26.258
(<r2>)1/2 5.124