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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-993.914606
Energy at 298.15K-993.915665
Nuclear repulsion energy229.842384
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/6-311G*
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 826 747 97.28      
2 A 577 522 0.01      
3 A 293 265 0.05      
4 A 185 168 5.57      
5 B 801 724 175.45      
6 B 349 315 20.69      

Unscaled Zero Point Vibrational Energy (zpe) 1515.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 1370.8 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/6-311G*
ABC
0.35739 0.09460 0.08836

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.413 0.887 -0.403
S2 0.413 -0.887 -0.403
F3 0.413 1.705 0.717
F4 -0.413 -1.705 0.717

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.95701.61382.8239
S21.95702.82391.6138
F31.61382.82393.5091
F42.82391.61383.5091

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 104.116 S2 S1 F3 104.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.410      
2 S 0.410      
3 F -0.410      
4 F -0.410      


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 -2.092 2.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.165 -2.598 0.000
y -2.598 -38.227 0.000
z 0.000 0.000 -35.957
Traceless
 xyz
x 1.927 -2.598 0.000
y -2.598 -2.666 0.000
z 0.000 0.000 0.739
Polar
3z2-r21.477
x2-y23.062
xy-2.598
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.426 -0.713 0.000
y -0.713 6.537 0.000
z 0.000 0.000 3.395


<r2> (average value of r2) Å2
<r2> 123.259
(<r2>)1/2 11.102