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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G
 hartrees
Energy at 0K-589.554221
Energy at 298.15K 
HF Energy-589.554221
Nuclear repulsion energy178.668360
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 wB97X-D/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 2339 2339 75.46 112.44 0.20 0.34
2 A1 769 769 67.09 8.28 0.00 0.00
3 A1 364 364 90.53 2.07 0.74 0.85
4 E 941 941 208.03 1.09 0.75 0.86
4 E 941 941 208.05 1.09 0.75 0.86
5 E 802 802 16.59 16.94 0.75 0.86
5 E 802 802 16.59 16.93 0.75 0.86
6 E 254 254 18.26 1.36 0.75 0.86
6 E 254 254 18.26 1.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3732.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3732.3 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 wB97X-D/6-31G
ABC
0.21382 0.21382 0.12338

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.357
H2 0.000 0.000 1.830
F3 0.000 1.548 -0.253
F4 1.341 -0.774 -0.253
F5 -1.341 -0.774 -0.253

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.47281.66441.66441.6644
H21.47282.59572.59572.5957
F31.66442.59572.68182.6818
F41.66442.59572.68182.6818
F51.66442.59572.68182.6818

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.522 H2 Si1 F4 111.522
H2 Si1 F5 111.522 F3 Si1 F4 107.345
F3 Si1 F5 107.345 F4 Si1 F5 107.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.473      
2 H -0.113      
3 F -0.453      
4 F -0.453      
5 F -0.453      


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 2.677 2.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.777 0.000 0.000
y 0.000 -31.777 0.000
z 0.000 0.000 -25.417
Traceless
 xyz
x -3.180 0.000 0.000
y 0.000 -3.180 0.000
z 0.000 0.000 6.360
Polar
3z2-r212.719
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 2.572 0.000 0.000
y 0.000 2.572 0.000
z 0.000 0.000 2.634


<r2> (average value of r2) Å2
<r2> 90.118
(<r2>)1/2 9.493