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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-797.418887
Energy at 298.15K 
HF Energy-797.418887
Nuclear repulsion energy298.811805
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 mPW1PW91/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 896 855 97.42      
2 A1 578 552 2.79      
3 A1 526 502 16.90      
4 A1 217 207 0.54      
5 A2 464 443 0.00      
6 B1 876 836 141.77      
7 B1 352 336 7.66      
8 B2 790 754 514.11      
9 B2 532 508 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 2615.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 2496.7 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 mPW1PW91/6-31G(2df,p)
ABC
0.22029 0.13678 0.10693

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.381
F2 0.000 1.640 0.264
F3 0.000 -1.640 0.264
F4 1.208 0.000 -0.602
F5 -1.208 0.000 -0.602

Atom - Atom Distances (Å)
  S1 F2 F3 F4 F5
S11.64411.64411.55761.5576
F21.64413.27982.21352.2135
F31.64413.27982.21352.2135
F41.55762.21352.21352.4163
F51.55762.21352.21352.4163

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 171.859 F2 S1 F4 87.432
F2 S1 F5 87.432 F3 S1 F4 87.432
F3 S1 F5 87.432 F4 S1 F5 101.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.611      
2 F -0.257      
3 F -0.257      
4 F -0.049      
5 F -0.049      


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 0.527 0.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.229 0.000 0.000
y 0.000 -35.285 0.000
z 0.000 0.000 -30.052
Traceless
 xyz
x 2.439 0.000 0.000
y 0.000 -5.144 0.000
z 0.000 0.000 2.704
Polar
3z2-r25.409
x2-y25.055
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.512 0.000 0.000
y 0.000 4.235 0.000
z 0.000 0.000 2.922


<r2> (average value of r2) Å2
<r2> 104.682
(<r2>)1/2 10.231