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All results from a given calculation for SF4 (Sulfur tetrafluoride)

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-792.960272
Energy at 298.15K 
HF Energy-792.960272
Nuclear repulsion energy297.052847
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 PBE1PBE/3-21G*
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 922 885 105.75 9.89 0.00 0.00
2 A1 642 616 1.44 8.18 0.49 0.66
3 A1 511 490 30.73 1.20 0.46 0.63
4 A1 205 197 0.34 0.38 0.74 0.85
5 A2 443 425 0.00 1.36 0.75 0.86
6 B1 923 886 127.42 4.41 0.75 0.86
7 B1 338 325 12.30 0.11 0.75 0.86
8 B2 904 867 444.52 1.31 0.75 0.86
9 B2 515 494 10.14 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2701.6 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 2593.0 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 PBE1PBE/3-21G*
ABC
0.21463 0.13648 0.10649

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.392
F2 0.000 1.636 0.265
F3 0.000 -1.636 0.265
F4 1.221 0.000 -0.613
F5 -1.221 0.000 -0.613

Atom - Atom Distances (Å)
  S1 F2 F3 F4 F5
S11.64051.64051.58191.5819
F21.64053.27112.22212.2221
F31.64053.27112.22212.2221
F41.58192.22212.22212.4423
F51.58192.22212.22212.4423

picture of Sulfur tetrafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 S1 F3 171.107 F2 S1 F4 87.175
F2 S1 F5 87.175 F3 S1 F4 87.175
F3 S1 F5 87.175 F4 S1 F5 101.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.268      
2 F -0.358      
3 F -0.358      
4 F -0.276      
5 F -0.276      


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 1.006 1.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.806 0.000 0.000
y 0.000 -35.921 0.000
z 0.000 0.000 -29.843
Traceless
 xyz
x 2.076 0.000 0.000
y 0.000 -5.597 0.000
z 0.000 0.000 3.521
Polar
3z2-r27.042
x2-y25.115
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.558 0.000 0.000
y 0.000 3.223 0.000
z 0.000 0.000 1.822


<r2> (average value of r2) Å2
<r2> 105.596
(<r2>)1/2 10.276