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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-589.182360
Energy at 298.15K 
HF Energy-588.182391
Nuclear repulsion energy187.592247
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 MP2=FULL/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 2434 2316 62.47 96.11 0.09 0.16
2 A1 850 808 78.52 7.99 0.00 0.00
3 A1 412 392 69.39 0.52 0.51 0.68
4 E 996 948 260.00 0.55 0.75 0.86
4 E 996 948 260.00 0.55 0.75 0.86
5 E 853 812 23.89 3.65 0.75 0.86
5 E 853 812 23.89 3.65 0.75 0.86
6 E 298 283 12.61 0.35 0.75 0.86
6 E 298 283 12.61 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3995.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 3801.0 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 MP2=FULL/aug-cc-pVTZ
ABC
0.23583 0.23583 0.13529

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.325
H2 0.000 0.000 1.774
F3 0.000 1.479 -0.234
F4 1.280 -0.739 -0.234
F5 -1.280 -0.739 -0.234

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.44891.58081.58081.5808
H21.44892.49362.49362.4936
F31.58082.49362.56102.5610
F41.58082.49362.56102.5610
F51.58082.49362.56102.5610

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.714 H2 Si1 F4 110.714
H2 Si1 F5 110.714 F3 Si1 F4 108.200
F3 Si1 F5 108.200 F4 Si1 F5 108.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability