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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-589.781979
Energy at 298.15K 
HF Energy-589.781979
Nuclear repulsion energy184.106553
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/TZVP
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 2309 2276 66.36 95.54 0.16 0.27
2 A1 788 776 83.62 6.55 0.00 0.00
3 A1 391 385 66.28 1.29 0.68 0.81
4 E 923 910 268.77 0.49 0.75 0.86
4 E 923 910 268.78 0.49 0.75 0.86
5 E 793 782 15.28 9.86 0.75 0.86
5 E 793 782 15.28 9.86 0.75 0.86
6 E 278 274 12.20 1.02 0.75 0.86
6 E 278 274 12.20 1.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3737.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 3683.4 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/TZVP
ABC
0.22713 0.22713 0.13035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.333
H2 0.000 0.000 1.802
F3 0.000 1.506 -0.239
F4 1.305 -0.753 -0.239
F5 -1.305 -0.753 -0.239

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.46971.61121.61121.6112
H21.46972.53702.53702.5370
F31.61122.53702.60912.6091
F41.61122.53702.60912.6091
F51.61122.53702.60912.6091

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.784 H2 Si1 F4 110.784
H2 Si1 F5 110.784 F3 Si1 F4 108.127
F3 Si1 F5 108.127 F4 Si1 F5 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.943      
2 H -0.089      
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 1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.833 0.000 0.000
y 0.000 -29.833 0.000
z 0.000 0.000 -25.875
Traceless
 xyz
x -1.979 0.000 0.000
y 0.000 -1.979 0.000
z 0.000 0.000 3.958
Polar
3z2-r27.916
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 3.102 0.000 0.000
y 0.000 3.101 0.000
z 0.000 0.000 3.181


<r2> (average value of r2) Å2
<r2> 85.416
(<r2>)1/2 9.242