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All results from a given calculation for SiHF3 (trifluorosilane)

using model chemistry: B3LYP/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/aug-cc-pCVTZ
 hartrees
Energy at 0K-589.996751
Energy at 298.15K 
HF Energy-589.996751
Nuclear repulsion energy187.653334
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 B3LYP/aug-cc-pCVTZ
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 2367 2367 59.01 101.44 0.09 0.17
2 A1 834 834 79.86 7.72 0.00 0.00
3 A1 412 412 65.57 0.56 0.52 0.68
4 E 976 976 256.07 0.58 0.75 0.86
4 E 976 976 256.01 0.58 0.75 0.86
5 E 838 838 15.86 4.15 0.75 0.86
5 E 838 838 15.86 4.15 0.75 0.86
6 E 294 294 11.81 0.38 0.75 0.86
6 E 294 294 11.80 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3914.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3914.2 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 B3LYP/aug-cc-pCVTZ
ABC
0.23600 0.23600 0.13537

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pCVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.324
H2 0.000 0.000 1.780
F3 0.000 1.478 -0.234
F4 1.280 -0.739 -0.234
F5 -1.280 -0.739 -0.234

Atom - Atom Distances (Å)
  Si1 H2 F3 F4 F5
Si11.45611.57981.57981.5798
H21.45612.49792.49792.4979
F31.57982.49792.56022.5602
F41.57982.49792.56022.5602
F51.57982.49792.56022.5602

picture of trifluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Si1 F3 110.661 H2 Si1 F4 110.661
H2 Si1 F5 110.661 F3 Si1 F4 108.255
F3 Si1 F5 108.255 F4 Si1 F5 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.768      
2 H -0.026      
3 F -0.581      
4 F -0.581      
5 F -0.581      


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 1.393 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.659 0.000 0.000
y 0.000 -29.659 0.000
z 0.000 0.000 -26.086
Traceless
 xyz
x -1.786 0.000 0.000
y 0.000 -1.786 0.000
z 0.000 0.000 3.573
Polar
3z2-r27.146
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 3.620 0.000 0.000
y 0.000 3.620 0.000
z 0.000 0.000 3.676


<r2> (average value of r2) Å2
<r2> 82.883
(<r2>)1/2 9.104