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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3PW91/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-589.811672
Energy at 298.15K 
HF Energy-589.811672
Nuclear repulsion energy187.157756
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/daug-cc-pVTZ
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 2362 2362 56.18 100.21 0.09 0.17
2 A1 835 835 78.58 8.24 0.00 0.00
3 A1 409 409 65.40 0.55 0.53 0.69
4 E 977 977 246.06 0.65 0.75 0.86
4 E 977 977 246.08 0.65 0.75 0.86
5 E 830 830 19.07 4.10 0.75 0.86
5 E 830 830 19.08 4.10 0.75 0.86
6 E 291 291 11.68 0.37 0.75 0.86
6 E 291 291 11.68 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3900.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3900.0 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/daug-cc-pVTZ
ABC
0.23475 0.23475 0.13475

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVTZ

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 1.788
F3 0.000 1.482 -0.235
F4 1.283 -0.741 -0.235
F5 -1.283 -0.741 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46201.58401.58401.5840
H21.46202.50712.50712.5071
F31.58402.50712.56612.5661
F41.58402.50712.56612.5661
F51.58402.50712.56612.5661

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.724 H2 Si1 F4 110.724
H2 Si1 F5 110.724 F3 Si1 F4 108.190
F3 Si1 F5 108.190 F4 Si1 F5 108.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 2.107      
2 H 0.409      
3 F -0.839      
4 F -0.839      
5 F -0.839      


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 1.410 1.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.449 0.000 0.000
y 0.000 -29.449 0.000
z 0.000 0.000 -25.845
Traceless
 xyz
x -1.802 0.000 0.000
y 0.000 -1.802 0.000
z 0.000 0.000 3.604
Polar
3z2-r27.208
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 3.637 0.000 0.000
y 0.000 3.637 0.000
z 0.000 0.000 3.701


<r2> (average value of r2) Å2
<r2> 83.075
(<r2>)1/2 9.115