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

using model chemistry: mPW1PW91/STO-3G

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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-384.428179
Energy at 298.15K-384.427461
HF Energy-384.428179
Nuclear repulsion energy40.684483
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 mPW1PW91/STO-3G
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 942 828 31.69      

Unscaled Zero Point Vibrational Energy (zpe) 470.8 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 413.8 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 mPW1PW91/STO-3G
B
0.55471

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.641
F2 0.000 0.000 -0.998

Atom - Atom Distances (Å)
  Si1 F2
Si11.6389
F21.6389

picture of silicon monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.216      
2 F -0.216      


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 0.216 0.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.551 0.000 0.000
y 0.000 -12.265 0.000
z 0.000 0.000 -16.201
Traceless
 xyz
x -0.318 0.000 0.000
y 0.000 3.110 0.000
z 0.000 0.000 -2.793
Polar
3z2-r2-5.585
x2-y2-2.286
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.034 0.000 0.000
y 0.000 1.421 0.000
z 0.000 0.000 1.816


<r2> (average value of r2) Å2
<r2> 23.670
(<r2>)1/2 4.865