return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiF3 (Silicon trifluoride radical)

using model chemistry: MP3=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-588.277864
Energy at 298.15K-588.278844
HF Energy-587.516318
Nuclear repulsion energy175.434695
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 MP3=FULL/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 841 785 90.59      
2 A1 405 378 77.56      
3 E 966 902 220.93      
3 E 966 902 220.93      
4 E 280 261 15.14      
4 E 280 261 15.14      

Unscaled Zero Point Vibrational Energy (zpe) 1868.7 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1744.8 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 MP3=FULL/TZVP
ABC
0.24367 0.24367 0.13397

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.380
F2 0.000 1.486 -0.197
F3 1.287 -0.743 -0.197
F4 -1.287 -0.743 -0.197

Atom - Atom Distances (Å)
  Si1 F2 F3 F4
Si11.59421.59421.5942
F21.59422.57362.5736
F31.59422.57362.5736
F41.59422.57362.5736

picture of Silicon trifluoride radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 F3 107.639 F2 Si1 F4 107.639
F3 Si1 F4 107.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability