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 SF6 (Sulfur Hexafluoride)

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 OH 1A1G
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-991.403610
Energy at 298.15K 
HF Energy-991.403610
Nuclear repulsion energy562.295703
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 A1g 806 774 0.00 12.49 0.00 0.00
2 Eg 736 707 0.00 3.01 0.75 0.86
2 Eg 736 707 0.00 3.01 0.75 0.86
3 T1u 1095 1051 383.39 0.00 0.00 0.00
3 T1u 1095 1051 383.39 0.00 0.00 0.00
3 T1u 1095 1051 383.39 0.00 0.00 0.00
4 T1u 589 566 48.59 0.00 0.00 0.00
4 T1u 589 566 48.59 0.00 0.00 0.00
4 T1u 589 566 48.59 0.00 0.00 0.00
5 T2g 499 479 0.00 2.13 0.75 0.86
5 T2g 499 479 0.00 2.13 0.75 0.86
5 T2g 499 479 0.00 2.13 0.75 0.86
6 T2u 335 322 0.00 0.00 0.00 0.00
6 T2u 335 322 0.00 0.00 0.00 0.00
6 T2u 335 322 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4914.4 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 4719.8 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
0.08951 0.08951 0.08951

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

Point Group is Oh

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.000
F2 0.000 0.000 1.574
F3 0.000 1.574 0.000
F4 1.574 0.000 0.000
F5 0.000 -1.574 0.000
F6 -1.574 0.000 0.000
F7 0.000 0.000 -1.574

Atom - Atom Distances (Å)
  S1 F2 F3 F4 F5 F6 F7
S11.57431.57431.57431.57431.57431.5743
F21.57432.22642.22642.22642.22643.1486
F31.57432.22642.22643.14862.22642.2264
F41.57432.22642.22642.22643.14862.2264
F51.57432.22643.14862.22642.22642.2264
F61.57432.22642.22643.14862.22642.2264
F71.57433.14862.22642.22642.22642.2264

picture of Sulfur Hexafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 S1 F3 90.000 F2 S1 F4 90.000
F2 S1 F5 90.000 F2 S1 F6 90.000
F2 S1 F7 180.000 F3 S1 F4 90.000
F3 S1 F5 180.000 F3 S1 F6 90.000
F3 S1 F7 90.000 F4 S1 F5 90.000
F4 S1 F6 180.000 F4 S1 F7 90.000
F5 S1 F6 90.000 F5 S1 F7 90.000
F6 S1 F7 90.000
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 1.720      
2 F -0.287      
3 F -0.287      
4 F -0.287      
5 F -0.287      
6 F -0.287      
7 F -0.287      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.913 0.000 0.000
y 0.000 -41.913 0.000
z 0.000 0.000 -41.913
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
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 2.477 0.000 0.000
y 0.000 2.477 0.000
z 0.000 0.000 2.477


<r2> (average value of r2) Å2
<r2> 160.010
(<r2>)1/2 12.650