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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/6-31G**
 hartrees
Energy at 0K-589.630078
Energy at 298.15K 
HF Energy-589.630078
Nuclear repulsion energy185.270370
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 B97D3/6-31G**
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 2321 2321 93.79 83.13 0.18 0.30
2 A1 822 822 67.76 6.19 0.00 0.00
3 A1 406 406 59.40 1.00 0.70 0.83
4 E 994 994 234.64 0.61 0.75 0.86
4 E 994 994 234.64 0.61 0.75 0.86
5 E 834 834 12.83 9.90 0.75 0.86
5 E 834 834 12.83 9.89 0.75 0.86
6 E 291 291 10.62 0.66 0.75 0.86
6 E 291 291 10.62 0.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3893.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3893.7 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 B97D3/6-31G**
ABC
0.23004 0.23004 0.13181

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.326
H2 0.000 0.000 1.798
F3 0.000 1.498 -0.236
F4 1.297 -0.749 -0.236
F5 -1.297 -0.749 -0.236

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.47151.60001.60001.6000
H21.47152.52582.52582.5258
F31.60002.52582.59462.5946
F41.60002.52582.59462.5946
F51.60002.52582.59462.5946

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.570 H2 Si1 F4 110.570
H2 Si1 F5 110.570 F3 Si1 F4 108.351
F3 Si1 F5 108.351 F4 Si1 F5 108.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.148      
2 H -0.113      
3 F -0.345      
4 F -0.345      
5 F -0.345      


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 1.280 1.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.632 0.000 0.000
y 0.000 -28.632 0.000
z 0.000 0.000 -25.443
Traceless
 xyz
x -1.594 0.000 0.000
y 0.000 -1.594 0.000
z 0.000 0.000 3.189
Polar
3z2-r26.377
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.796 0.000 0.000
y 0.000 2.796 0.000
z 0.000 0.000 2.909


<r2> (average value of r2) Å2
<r2> 84.031
(<r2>)1/2 9.167