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All results from a given calculation for SiHF3 (trifluorosilane)

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 1A1
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-588.938894
Energy at 298.15K 
HF Energy-588.150544
Nuclear repulsion energy187.026661
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 2436 2275 66.76      
2 A1 857 800 96.28      
3 A1 413 386 87.82      
4 E 999 932 290.57      
4 E 999 932 290.57      
5 E 840 784 42.03      
5 E 840 784 42.03      
6 E 291 272 15.72      
6 E 291 272 15.72      

Unscaled Zero Point Vibrational Energy (zpe) 3982.5 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 3718.4 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 MP3=FULL/TZVP
ABC
0.23440 0.23440 0.13470

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 0.329
H2 0.000 0.000 1.779
F3 0.000 1.482 -0.237
F4 1.283 -0.741 -0.237
F5 -1.283 -0.741 -0.237

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45001.58621.58621.5862
H21.45002.50202.50202.5020
F31.58622.50202.56662.5666
F41.58622.50202.56662.5666
F51.58622.50202.56662.5666

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.901 H2 Si1 F4 110.901
H2 Si1 F5 110.901 F3 Si1 F4 108.004
F3 Si1 F5 108.004 F4 Si1 F5 108.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability