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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-589.401785
Energy at 298.15K 
HF Energy-589.401785
Nuclear repulsion energy181.477828
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 PBEPBE/aug-cc-pVDZ
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 2281 2267 38.65 117.45 0.11 0.20
2 A1 769 765 71.04 11.54 0.00 0.01
3 A1 366 364 54.14 0.97 0.52 0.69
4 E 904 899 223.55 1.18 0.75 0.86
4 E 904 899 223.54 1.18 0.75 0.86
5 E 762 757 13.08 5.52 0.75 0.86
5 E 762 757 13.09 5.52 0.75 0.86
6 E 256 255 10.32 0.64 0.75 0.86
6 E 256 255 10.32 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3630.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 3608.3 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 PBEPBE/aug-cc-pVDZ
ABC
0.22067 0.22067 0.12689

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.342
H2 0.000 0.000 1.824
F3 0.000 1.527 -0.245
F4 1.322 -0.763 -0.245
F5 -1.322 -0.763 -0.245

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.48201.63561.63561.6356
H21.48202.57122.57122.5712
F31.63562.57122.64442.6444
F41.63562.57122.64442.6444
F51.63562.57122.64442.6444

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 111.023 H2 Si1 F4 111.023
H2 Si1 F5 111.023 F3 Si1 F4 107.875
F3 Si1 F5 107.875 F4 Si1 F5 107.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.205      
2 H 0.323      
3 F -0.509      
4 F -0.509      
5 F -0.509      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.665 1.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.172 0.000 0.000
y 0.000 -30.172 0.000
z 0.000 0.000 -26.138
Traceless
 xyz
x -2.017 0.000 0.000
y 0.000 -2.017 0.000
z 0.000 0.000 4.034
Polar
3z2-r28.068
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.027 0.000 0.000
y 0.000 4.027 0.000
z 0.000 0.000 4.047


<r2> (average value of r2) Å2
<r2> 87.523
(<r2>)1/2 9.355