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All results from a given calculation for HSiF (fluorosilylene)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-385.004313
Energy at 298.15K 
HF Energy-385.004313
Nuclear repulsion energy47.610733
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/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 A' 2377 2104 221.49 75.22 0.35 0.52
2 A' 1064 942 71.49 9.56 0.74 0.85
3 A' 923 817 26.18 5.39 0.31 0.47

Unscaled Zero Point Vibrational Energy (zpe) 2182.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 1931.3 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/STO-3G
ABC
7.64039 0.54275 0.50675

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.063 -0.612 0.000
F2 0.063 1.029 0.000
H3 -1.447 -0.693 0.000

Atom - Atom Distances (Å)
  Si1 F2 H3
Si11.64101.5120
F21.64102.2902
H31.51202.2902

picture of fluorosilylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 93.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.411      
2 F -0.204      
3 H -0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.208 -0.124 0.000 0.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.231 0.201 0.000
y 0.201 -17.024 0.000
z 0.000 0.000 -13.098
Traceless
 xyz
x -2.170 0.201 0.000
y 0.201 -1.859 0.000
z 0.000 0.000 4.029
Polar
3z2-r28.059
x2-y2-0.207
xy0.201
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.608 0.297 0.000
y 0.297 1.832 0.000
z 0.000 0.000 1.466


<r2> (average value of r2) Å2
<r2> 27.297
(<r2>)1/2 5.225