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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-589.477746
Energy at 298.15K 
HF Energy-589.267504
Nuclear repulsion energy185.562290
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 B2PLYP=FULL/6-31+G**
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 2435 2316 70.91 97.70 0.12 0.21
2 A1 831 790 87.40 7.11 0.00 0.00
3 A1 408 388 73.49 0.91 0.66 0.80
4 E 980 932 295.59 0.56 0.75 0.86
4 E 980 932 295.58 0.56 0.75 0.86
5 E 843 802 17.27 8.06 0.75 0.86
5 E 843 802 17.27 8.06 0.75 0.86
6 E 291 277 14.56 0.69 0.75 0.86
6 E 291 277 14.56 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3950.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 3757.1 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 B2PLYP=FULL/6-31+G**
ABC
0.23073 0.23073 0.13239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.330
H2 0.000 0.000 1.784
F3 0.000 1.495 -0.237
F4 1.294 -0.747 -0.237
F5 -1.294 -0.747 -0.237

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45361.59881.59881.5988
H21.45362.51382.51382.5138
F31.59882.51382.58892.5889
F41.59882.51382.58892.5889
F51.59882.51382.58892.5889

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.790 H2 Si1 F4 110.790
H2 Si1 F5 110.790 F3 Si1 F4 108.121
F3 Si1 F5 108.121 F4 Si1 F5 108.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability