return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiH3F (monofluorosilane)

using model chemistry: M06-2X/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 M06-2X/cc-pVDZ
 hartrees
Energy at 0K-391.110385
Energy at 298.15K 
HF Energy-391.110385
Nuclear repulsion energy61.785106
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 M06-2X/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 2275 2275 25.76 240.56 0.04 0.08
2 A1 1006 1006 218.82 9.70 0.66 0.80
3 A1 876 876 36.43 4.89 0.49 0.66
4 E 2287 2287 128.59 62.30 0.75 0.86
4 E 2287 2287 129.31 61.93 0.75 0.86
5 E 954 954 90.61 19.23 0.75 0.86
5 E 954 954 90.66 19.54 0.75 0.86
6 E 726 726 59.89 13.39 0.75 0.86
6 E 726 726 59.54 13.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6045.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6045.1 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 M06-2X/cc-pVDZ
ABC
2.79784 0.45272 0.45272

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.517
F2 0.000 0.000 -1.129
H3 0.000 1.412 0.974
H4 -1.223 -0.706 0.974
H5 1.223 -0.706 0.974

Atom - Atom Distances (Å)
  Si1 F2 H3 H4 H5
Si11.64571.48381.48381.4838
F21.64572.53272.53272.5327
H31.48382.53272.44512.4451
H41.48382.53272.44512.4451
H51.48382.53272.44512.4451

picture of monofluorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Si1 H3 107.942 F2 Si1 H4 107.942
F2 Si1 H5 107.942 H3 Si1 H4 110.957
H3 Si1 H5 110.957 H4 Si1 H5 110.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.597      
2 F -0.354      
3 H -0.081      
4 H -0.081      
5 H -0.081      


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 1.620 1.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.586 0.000 0.000
y 0.000 -19.586 0.000
z 0.000 0.000 -20.826
Traceless
 xyz
x 0.620 0.000 0.000
y 0.000 0.620 0.000
z 0.000 0.000 -1.241
Polar
3z2-r2-2.482
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 3.668 0.000 0.000
y 0.000 3.670 -0.007
z 0.000 -0.007 3.044


<r2> (average value of r2) Å2
<r2> 36.523
(<r2>)1/2 6.043