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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-589.610523
Energy at 298.15K 
HF Energy-589.610523
Nuclear repulsion energy188.363358
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 HSEh1PBE/Def2TZVPP
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 2359 2359 60.24 87.61 0.12 0.21
2 A1 852 852 81.59 5.08 0.00 0.00
3 A1 416 416 67.53 0.70 0.64 0.78
4 E 998 998 249.43 0.45 0.75 0.86
4 E 998 998 249.43 0.45 0.75 0.86
5 E 831 831 21.16 5.45 0.75 0.86
5 E 831 831 21.16 5.45 0.75 0.86
6 E 299 299 11.69 0.47 0.75 0.86
6 E 299 299 11.69 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3941.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3941.7 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 HSEh1PBE/Def2TZVPP
ABC
0.23780 0.23780 0.13647

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.322
H2 0.000 0.000 1.782
F3 0.000 1.472 -0.233
F4 1.275 -0.736 -0.233
F5 -1.275 -0.736 -0.233

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46001.57341.57341.5734
H21.46002.49552.49552.4955
F31.57342.49552.54992.5499
F41.57342.49552.54992.5499
F51.57342.49552.54992.5499

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.658 H2 Si1 F4 110.658
H2 Si1 F5 110.658 F3 Si1 F4 108.259
F3 Si1 F5 108.259 F4 Si1 F5 108.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.917      
2 H -0.063      
3 F -0.285      
4 F -0.285      
5 F -0.285      


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 1.330 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.170 0.000 0.000
y 0.000 -29.170 0.000
z 0.000 0.000 -25.826
Traceless
 xyz
x -1.672 0.000 0.000
y 0.000 -1.672 0.000
z 0.000 0.000 3.344
Polar
3z2-r26.688
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 3.201 0.000 0.000
y 0.000 3.201 -0.000
z 0.000 -0.000 3.275


<r2> (average value of r2) Å2
<r2> 82.136
(<r2>)1/2 9.063