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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-996.055165
Energy at 298.15K-996.056019
Nuclear repulsion energy223.000131
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/cc-pVDZ
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 709 688 62.25      
2 A 575 558 1.12      
3 A 265 257 1.06      
4 A 173 168 3.03      
5 B 682 661 177.40      
6 B 293 284 12.00      

Unscaled Zero Point Vibrational Energy (zpe) 1348.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 1307.7 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/cc-pVDZ
ABC
0.34911 0.08745 0.08129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.408 0.886 -0.414
S2 0.408 -0.886 -0.414
F3 0.408 1.818 0.735
F4 -0.408 -1.818 0.735

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.95211.68922.9379
S21.95212.93791.6892
F31.68922.93793.7257
F42.93791.68923.7257

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 107.354 S2 S1 F3 107.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.318      
2 S 0.318      
3 F -0.318      
4 F -0.318      


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 -1.886 1.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.146 -2.418 0.000
y -2.418 -37.227 0.000
z 0.000 0.000 -34.872
Traceless
 xyz
x 1.903 -2.418 0.000
y -2.418 -2.718 0.000
z 0.000 0.000 0.815
Polar
3z2-r21.630
x2-y23.081
xy-2.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.472 -0.748 0.000
y -0.748 7.705 0.000
z 0.000 0.000 3.564


<r2> (average value of r2) Å2
<r2> 130.267
(<r2>)1/2 11.413