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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-589.660103
Energy at 298.15K 
HF Energy-589.660103
Nuclear repulsion energy186.834373
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(2df,p)
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 818 818 62.25 6.27 0.00 0.00
2 ?a 816 816 16.23 6.09 0.75 0.86
3 ?a 816 816 16.23 6.08 0.75 0.86
4 A1 2293 2293 70.82 72.74 0.16 0.27
4 A1 409 409 52.39 0.68 0.65 0.78
5 E 979 979 204.42 0.41 0.75 0.86
5 E 979 979 204.36 0.41 0.75 0.86
6 E 295 295 9.09 0.43 0.75 0.86
6 E 295 295 9.08 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3849.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3849.2 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(2df,p)
ABC
0.23396 0.23396 0.13395

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.321
H2 0.000 0.000 1.790
F3 0.000 1.486 -0.233
F4 1.287 -0.743 -0.233
F5 -1.287 -0.743 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46871.58581.58581.5858
H21.46872.50972.50972.5097
F31.58582.50972.57382.5738
F41.58582.50972.57382.5738
F51.58582.50972.57382.5738

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.442 H2 Si1 F4 110.442
H2 Si1 F5 110.442 F3 Si1 F4 108.483
F3 Si1 F5 108.483 F4 Si1 F5 108.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.502      
2 H 0.012      
3 F -0.171      
4 F -0.171      
5 F -0.171      


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 1.065 1.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.256 0.000 0.000
y 0.000 -28.256 0.000
z 0.000 0.000 -25.567
Traceless
 xyz
x -1.344 0.000 0.000
y 0.000 -1.344 0.000
z 0.000 0.000 2.688
Polar
3z2-r25.376
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 3.181 0.000 0.000
y 0.000 3.181 0.000
z 0.000 0.000 3.288


<r2> (average value of r2) Å2
<r2> 82.816
(<r2>)1/2 9.100