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 SF4 (Sulfur tetrafluoride)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-792.720194
Energy at 298.15K 
HF Energy-792.720194
Nuclear repulsion energy276.351470
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/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 726 719 41.93      
2 A1 526 521 0.27      
3 A1 364 361 20.89      
4 A1 126 125 0.78      
5 A2 315 312 0.00      
6 B1 756 749 81.31      
7 B1 237 235 10.00      
8 B2 774 767 242.57      
9 B2 363 360 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 2093.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 2074.5 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 PBEPBE/3-21G
ABC
0.18413 0.12098 0.09106

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.428
F2 0.000 1.751 0.244
F3 0.000 -1.751 0.244
F4 1.344 0.000 -0.624
F5 -1.344 0.000 -0.624

Atom - Atom Distances (Å)
  S1 F2 F3 F4 F5
S11.76031.76031.70671.7067
F21.76033.50142.37162.3716
F31.76033.50142.37162.3716
F41.70672.37162.37162.6887
F51.70672.37162.37162.6887

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 168.001 F2 S1 F4 86.308
F2 S1 F5 86.308 F3 S1 F4 86.308
F3 S1 F5 86.308 F4 S1 F5 103.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.201      
2 F -0.329      
3 F -0.329      
4 F -0.271      
5 F -0.271      


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 1.422 1.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.735 0.000 0.000
y 0.000 -36.900 0.000
z 0.000 0.000 -29.796
Traceless
 xyz
x 1.613 0.000 0.000
y 0.000 -6.134 0.000
z 0.000 0.000 4.522
Polar
3z2-r29.043
x2-y25.165
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.200 0.000 0.000
y 0.000 4.540 0.000
z 0.000 0.000 2.047


<r2> (average value of r2) Å2
<r2> 119.191
(<r2>)1/2 10.917