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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: HSEh1PBE/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-391.044110
Energy at 298.15K 
HF Energy-391.044110
Nuclear repulsion energy63.043520
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/aug-cc-pV(T+d)Z
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 2244 30.38 316.21 0.03 0.05
2 A1 981 981 180.77 0.90 0.75 0.86
3 A1 869 869 67.56 5.24 0.31 0.47
4 E 2251 2251 127.97 50.77 0.75 0.86
4 E 2251 2251 128.00 50.77 0.75 0.86
5 E 956 956 77.55 5.26 0.75 0.86
5 E 956 956 77.57 5.27 0.75 0.86
6 E 721 721 52.67 5.28 0.75 0.86
6 E 721 721 52.67 5.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5974.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5974.7 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/aug-cc-pV(T+d)Z
ABC
2.82200 0.47508 0.47508

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.500
F2 0.000 0.000 -1.100
H3 0.000 1.406 0.965
H4 -1.217 -0.703 0.965
H5 1.217 -0.703 0.965

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.60051.48041.48041.4804
F21.60052.49812.49812.4981
H31.48042.49812.43462.4346
H41.48042.49812.43462.4346
H51.48042.49812.43462.4346

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.292 F2 Si1 H4 108.292
F2 Si1 H5 108.292 H3 Si1 H4 110.624
H3 Si1 H5 110.624 H4 Si1 H5 110.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 1.247      
2 F -0.654      
3 H -0.197      
4 H -0.197      
5 H -0.197      


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 1.302 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.745 0.000 0.000
y 0.000 -19.745 0.000
z 0.000 0.000 -21.030
Traceless
 xyz
x 0.642 0.000 0.000
y 0.000 0.642 0.000
z 0.000 0.000 -1.285
Polar
3z2-r2-2.569
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 4.391 0.000 0.000
y 0.000 4.391 0.000
z 0.000 0.000 4.012


<r2> (average value of r2) Å2
<r2> 35.719
(<r2>)1/2 5.977