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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/TZVP
 hartrees
Energy at 0K-391.024640
Energy at 298.15K 
HF Energy-391.024640
Nuclear repulsion energy62.268786
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 HSEh1PBE/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 2244 2155 30.03 255.54 0.04 0.08
2 A1 973 934 213.40 13.06 0.67 0.80
3 A1 850 816 73.68 5.71 0.48 0.65
4 E 2256 2166 136.07 68.17 0.75 0.86
4 E 2256 2166 136.09 68.18 0.75 0.86
5 E 949 911 88.68 20.24 0.75 0.86
5 E 949 911 88.68 20.24 0.75 0.86
6 E 709 681 56.20 16.98 0.75 0.86
6 E 709 681 56.20 16.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5947.5 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 5710.2 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 HSEh1PBE/TZVP
ABC
2.79279 0.46185 0.46185

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.510
F2 0.000 0.000 -1.117
H3 0.000 1.413 0.971
H4 -1.224 -0.706 0.971
H5 1.224 -0.706 0.971

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.62621.48651.48651.4865
F21.62622.52122.52122.5212
H31.48652.52122.44732.4473
H41.48652.52122.44732.4473
H51.48652.52122.44732.4473

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.102 F2 Si1 H4 108.102
F2 Si1 H5 108.102 H3 Si1 H4 110.805
H3 Si1 H5 110.805 H4 Si1 H5 110.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.606      
2 F -0.349      
3 H -0.086      
4 H -0.086      
5 H -0.086      


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 1.637 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.713 0.000 0.000
y 0.000 -19.713 0.000
z 0.000 0.000 -21.066
Traceless
 xyz
x 0.676 0.000 0.000
y 0.000 0.676 0.000
z 0.000 0.000 -1.353
Polar
3z2-r2-2.705
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 3.798 0.000 0.000
y 0.000 3.798 -0.000
z 0.000 -0.000 3.143


<r2> (average value of r2) Å2
<r2> 36.271
(<r2>)1/2 6.023