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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-391.014415
Energy at 298.15K 
HF Energy-391.014415
Nuclear repulsion energy62.725054
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 PBE1PBE/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 A1 2246 2160 30.36 315.55 0.03 0.05
2 A1 973 936 176.06 0.95 0.75 0.86
3 A1 866 832 68.96 5.41 0.30 0.47
4 E 2256 2170 125.26 51.26 0.75 0.86
4 E 2256 2170 125.29 51.28 0.75 0.86
5 E 951 914 75.68 5.42 0.75 0.86
5 E 951 914 75.69 5.44 0.75 0.86
6 E 719 691 51.99 5.33 0.75 0.86
6 E 719 691 51.99 5.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5968.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 5738.2 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 PBE1PBE/aug-cc-pVTZ
ABC
2.80469 0.46982 0.46982

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.504
F2 0.000 0.000 -1.106
H3 0.000 1.410 0.967
H4 -1.221 -0.705 0.967
H5 1.221 -0.705 0.967

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.61061.48401.48401.4840
F21.61062.50742.50742.5074
H31.48402.50742.44212.4421
H41.48402.50742.44212.4421
H51.48402.50742.44212.4421

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.173 F2 Si1 H4 108.173
F2 Si1 H5 108.173 H3 Si1 H4 110.738
H3 Si1 H5 110.738 H4 Si1 H5 110.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.024      
2 F -0.613      
3 H -0.137      
4 H -0.137      
5 H -0.137      


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 1.371 1.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.749 0.000 0.000
y 0.000 -19.749 0.000
z 0.000 0.000 -21.090
Traceless
 xyz
x 0.671 0.000 0.000
y 0.000 0.671 0.000
z 0.000 0.000 -1.341
Polar
3z2-r2-2.682
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 4.412 0.000 0.000
y 0.000 4.412 0.000
z 0.000 0.000 4.046


<r2> (average value of r2) Å2
<r2> 35.959
(<r2>)1/2 5.997