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All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: mPW1PW91/daug-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 mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-391.174587
Energy at 298.15K 
HF Energy-391.174587
Nuclear repulsion energy61.678829
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 mPW1PW91/daug-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 2241 2241 29.65 320.20 0.03 0.05
2 A1 960 960 162.66 1.09 0.75 0.85
3 A1 830 830 76.59 5.79 0.27 0.42
4 E 2256 2256 118.72 53.50 0.75 0.86
4 E 2256 2256 118.74 53.70 0.75 0.86
5 E 945 945 73.35 6.18 0.75 0.86
5 E 945 945 73.36 6.18 0.75 0.86
6 E 705 705 47.42 5.57 0.75 0.86
6 E 705 705 47.42 5.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5920.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5920.5 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 mPW1PW91/daug-cc-pVDZ
ABC
2.77072 0.45179 0.45179

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.518
F2 0.000 0.000 -1.129
H3 0.000 1.419 0.971
H4 -1.229 -0.709 0.971
H5 1.229 -0.709 0.971

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64741.48931.48931.4893
F21.64742.53492.53492.5349
H31.48932.53492.45702.4570
H41.48932.53492.45702.4570
H51.48932.53492.45702.4570

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.724 F2 Si1 H4 107.724
F2 Si1 H5 107.724 H3 Si1 H4 111.160
H3 Si1 H5 111.160 H4 Si1 H5 111.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si -0.232      
2 F -0.620      
3 H 0.284      
4 H 0.284      
5 H 0.284      


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 1.636 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.724 0.000 0.000
y 0.000 -19.724 0.000
z 0.000 0.000 -21.202
Traceless
 xyz
x 0.739 0.000 0.000
y 0.000 0.739 0.000
z 0.000 0.000 -1.478
Polar
3z2-r2-2.956
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 4.435 0.000 0.000
y 0.000 4.435 0.000
z 0.000 0.000 4.131


<r2> (average value of r2) Å2
<r2> 36.732
(<r2>)1/2 6.061