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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: PBEPBE/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 PBEPBE/TZVP
 hartrees
Energy at 0K-390.967966
Energy at 298.15K 
HF Energy-390.967966
Nuclear repulsion energy61.637105
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 PBEPBE/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 2175 2150 30.08 262.78 0.04 0.08
2 A1 942 931 192.75 13.74 0.67 0.80
3 A1 812 802 65.75 6.81 0.45 0.63
4 E 2191 2166 130.08 71.80 0.75 0.86
4 E 2191 2166 130.11 71.80 0.75 0.86
5 E 913 903 76.62 21.56 0.75 0.86
5 E 913 903 76.62 21.56 0.75 0.86
6 E 684 676 48.39 18.14 0.75 0.86
6 E 684 676 48.39 18.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5751.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5687.1 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 PBEPBE/TZVP
ABC
2.75738 0.45173 0.45173

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.515
F2 0.000 0.000 -1.129
H3 0.000 1.422 0.983
H4 -1.231 -0.711 0.983
H5 1.231 -0.711 0.983

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64491.49701.49701.4970
F21.64492.54672.54672.5467
H31.49702.54672.46302.4630
H41.49702.54672.46302.4630
H51.49702.54672.46302.4630

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 108.210 F2 Si1 H4 108.210
F2 Si1 H5 108.210 H3 Si1 H4 110.702
H3 Si1 H5 110.702 H4 Si1 H5 110.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.538      
2 F -0.324      
3 H -0.071      
4 H -0.071      
5 H -0.071      


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 1.586 1.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.864 0.000 0.000
y 0.000 -19.864 0.000
z 0.000 0.000 -21.097
Traceless
 xyz
x 0.617 0.000 0.000
y 0.000 0.617 0.000
z 0.000 0.000 -1.233
Polar
3z2-r2-2.466
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 3.973 0.000 0.000
y 0.000 3.973 -0.000
z 0.000 -0.000 3.363


<r2> (average value of r2) Å2
<r2> 36.830
(<r2>)1/2 6.069