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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B2PLYP=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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-589.732334
Energy at 298.15K 
HF Energy-589.415996
Nuclear repulsion energy187.299338
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/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 ?a 845 810 20.04 4.03 0.75 0.86
2 ?a 844 810 20.03 4.03 0.75 0.86
3 ?a 840 806 79.06 8.29 0.00 0.00
4 A1 2401 2304 58.59 99.76 0.09 0.17
4 A1 411 394 67.84 0.57 0.52 0.68
5 E 983 943 255.10 0.61 0.75 0.86
5 E 983 943 255.18 0.61 0.75 0.86
6 E 294 282 12.33 0.38 0.75 0.86
6 E 294 282 12.32 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3947.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3787.6 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/aug-cc-pVTZ
ABC
0.23509 0.23509 0.13498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.327
H2 0.000 0.000 1.780
F3 0.000 1.480 -0.235
F4 1.282 -0.740 -0.235
F5 -1.282 -0.740 -0.235

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45371.58331.58331.5833
H21.45372.50072.50072.5007
F31.58332.50072.56392.5639
F41.58332.50072.56392.5639
F51.58332.50072.56392.5639

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.785 H2 Si1 F4 110.785
H2 Si1 F5 110.785 F3 Si1 F4 108.126
F3 Si1 F5 108.126 F4 Si1 F5 108.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability