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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-589.784090
Energy at 298.15K 
HF Energy-589.784090
Nuclear repulsion energy187.293666
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 M06-2X/6-311G*
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 864 864 94.90 3.34 0.00 0.00
2 ?a 861 861 22.18 10.74 0.75 0.86
3 ?a 861 861 22.23 10.75 0.75 0.86
4 A1 2447 2447 68.04 79.57 0.16 0.28
4 A1 416 416 85.31 0.97 0.73 0.84
5 E 1019 1019 294.62 0.46 0.75 0.86
5 E 1019 1019 294.67 0.45 0.75 0.86
6 E 301 301 15.49 0.78 0.75 0.86
6 E 301 301 15.52 0.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4044.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4044.0 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 M06-2X/6-311G*
ABC
0.23507 0.23507 0.13535

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.332
H2 0.000 0.000 1.782
F3 0.000 1.478 -0.238
F4 1.280 -0.739 -0.238
F5 -1.280 -0.739 -0.238

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45021.58431.58431.5843
H21.45022.50322.50322.5032
F31.58432.50322.56042.5604
F41.58432.50322.56042.5604
F51.58432.50322.56042.5604

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.084 H2 Si1 F4 111.084
H2 Si1 F5 111.084 F3 Si1 F4 107.811
F3 Si1 F5 107.811 F4 Si1 F5 107.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.359      
2 H -0.112      
3 F -0.416      
4 F -0.416      
5 F -0.416      


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 1.710 1.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.811 0.000 0.000
y 0.000 -29.811 0.000
z 0.000 0.000 -25.714
Traceless
 xyz
x -2.049 0.000 0.000
y 0.000 -2.049 0.000
z 0.000 0.000 4.097
Polar
3z2-r28.194
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 2.458 0.000 0.000
y 0.000 2.456 0.000
z 0.000 0.000 2.623


<r2> (average value of r2) Å2
<r2> 83.016
(<r2>)1/2 9.111