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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-996.115450
Energy at 298.15K-996.116260
Nuclear repulsion energy224.225974
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 B3LYP/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 660 638 69.83      
2 A 569 550 2.18      
3 A 269 260 1.43      
4 A 177 171 4.16      
5 B 630 609 192.89      
6 B 298 288 15.35      

Unscaled Zero Point Vibrational Energy (zpe) 1301.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1257.2 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 B3LYP/6-311G*
ABC
0.35289 0.08839 0.08213

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.406 0.878 -0.412
S2 0.406 -0.878 -0.412
F3 0.406 1.811 0.732
F4 -0.406 -1.811 0.732

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.93381.68452.9220
S21.93382.92201.6845
F31.68452.92203.7127
F42.92201.68453.7127

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 107.514 S2 S1 F3 107.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.347      
2 S 0.347      
3 F -0.347      
4 F -0.347      


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 -2.086 2.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.803 -2.523 0.000
y -2.523 -38.776 0.000
z 0.000 0.000 -35.578
Traceless
 xyz
x 2.374 -2.523 0.000
y -2.523 -3.585 0.000
z 0.000 0.000 1.211
Polar
3z2-r22.423
x2-y23.973
xy-2.523
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.657 -0.895 0.000
y -0.895 8.048 0.000
z 0.000 0.000 3.665


<r2> (average value of r2) Å2
<r2> 129.728
(<r2>)1/2 11.390