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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-390.162588
Energy at 298.15K 
HF Energy-390.162588
Nuclear repulsion energy62.133694
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 HF/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 2356 2139 30.42 230.85 0.05 0.09
2 A1 1068 970 262.10 9.62 0.70 0.82
3 A1 896 813 69.12 3.15 0.42 0.60
4 E 2353 2137 170.57 58.92 0.75 0.86
4 E 2353 2137 170.57 58.92 0.75 0.86
5 E 1028 933 128.42 16.84 0.75 0.86
5 E 1028 933 128.42 16.84 0.75 0.86
6 E 773 702 74.67 12.07 0.75 0.86
6 E 773 702 74.67 12.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6313.3 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 5732.5 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 HF/cc-pVDZ
ABC
2.81492 0.45839 0.45839

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.514
F2 0.000 0.000 -1.121
H3 0.000 1.407 0.966
H4 -1.219 -0.704 0.966
H5 1.219 -0.704 0.966

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.63531.47831.47831.4783
F21.63532.51782.51782.5178
H31.47832.51782.43772.4377
H41.47832.51782.43772.4377
H51.47832.51782.43772.4377

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.820 F2 Si1 H4 107.820
F2 Si1 H5 107.820 H3 Si1 H4 111.071
H3 Si1 H5 111.071 H4 Si1 H5 111.071
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.856      
2 F -0.467      
3 H -0.130      
4 H -0.130      
5 H -0.130      


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 1.842 1.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.810 0.000 0.000
y 0.000 -19.810 0.000
z 0.000 0.000 -21.375
Traceless
 xyz
x 0.782 0.000 0.000
y 0.000 0.782 0.000
z 0.000 0.000 -1.564
Polar
3z2-r2-3.129
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 3.406 0.000 0.000
y 0.000 3.406 0.000
z 0.000 0.000 2.777


<r2> (average value of r2) Å2
<r2> 36.457
(<r2>)1/2 6.038