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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-993.824035
Energy at 298.15K 
HF Energy-993.824035
Nuclear repulsion energy230.196129
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 HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 884 795 88.23      
2 A 611 549 0.20      
3 A 293 263 0.01      
4 A 185 167 4.25      
5 B 860 772 166.05      
6 B 348 312 16.88      

Unscaled Zero Point Vibrational Energy (zpe) 1590.2 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 1428.8 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 HF/6-31G*
ABC
0.35953 0.09476 0.08851

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.411 0.886 -0.402
S2 0.411 -0.886 -0.402
F3 0.411 1.705 0.715
F4 -0.411 -1.705 0.715

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.95341.61092.8215
S21.95342.82151.6109
F31.61092.82153.5080
F42.82151.61093.5080

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 104.261 S2 S1 F3 104.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.435      
2 S 0.435      
3 F -0.435      
4 F -0.435      


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 -1.702 1.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.874 -2.028 0.000
y -2.028 -37.078 0.000
z 0.000 0.000 -35.363
Traceless
 xyz
x 1.347 -2.028 0.000
y -2.028 -1.959 0.000
z 0.000 0.000 0.613
Polar
3z2-r21.225
x2-y22.204
xy-2.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.539 -0.672 0.000
y -0.672 6.625 0.000
z 0.000 0.000 3.513


<r2> (average value of r2) Å2
<r2> 122.618
(<r2>)1/2 11.073