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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-589.807431
Energy at 298.15K 
HF Energy-589.807431
Nuclear repulsion energy185.569034
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/aug-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 2313 2278 62.36 107.04 0.10 0.18
2 A1 800 788 74.47 9.40 0.00 0.00
3 A1 400 394 59.60 0.68 0.49 0.66
4 E 938 924 246.16 0.68 0.75 0.86
4 E 938 924 246.20 0.68 0.75 0.86
5 E 813 801 12.41 4.66 0.75 0.86
5 E 813 801 12.41 4.66 0.75 0.86
6 E 286 281 10.77 0.44 0.75 0.86
6 E 286 281 10.76 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3793.7 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 3735.7 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/aug-cc-pVTZ
ABC
0.23078 0.23078 0.13225

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-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 1.793
F3 0.000 1.496 -0.236
F4 1.295 -0.748 -0.236
F5 -1.295 -0.748 -0.236

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46671.59761.59761.5976
H21.46672.52032.52032.5203
F31.59762.52032.59032.5903
F41.59762.52032.59032.5903
F51.59762.52032.59032.5903

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.595 H2 Si1 F4 110.595
H2 Si1 F5 110.595 F3 Si1 F4 108.324
F3 Si1 F5 108.324 F4 Si1 F5 108.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.652      
2 H 0.026      
3 F -0.560      
4 F -0.560      
5 F -0.560      


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 1.365 1.365
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.600 0.000 0.000
y 0.000 -29.600 0.000
z 0.000 0.000 -26.042
Traceless
 xyz
x -1.779 0.000 0.000
y 0.000 -1.779 0.000
z 0.000 0.000 3.558
Polar
3z2-r27.117
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 3.827 0.000 0.000
y 0.000 3.826 0.000
z 0.000 0.000 3.886


<r2> (average value of r2) Å2
<r2> 84.338
(<r2>)1/2 9.184