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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-993.055727
Energy at 298.15K-993.056694
Nuclear repulsion energy229.317487
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 LSDA/6-31G(2df,p)
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 750 738 64.10      
2 A 644 633 0.61      
3 A 286 282 0.72      
4 A 179 176 1.26      
5 B 713 702 197.57      
6 B 302 297 8.92      

Unscaled Zero Point Vibrational Energy (zpe) 1437.0 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 1414.0 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 LSDA/6-31G(2df,p)
ABC
0.39151 0.09013 0.08379

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.379 0.868 -0.394
S2 0.379 -0.868 -0.394
F3 0.379 1.808 0.701
F4 -0.379 -1.808 0.701

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.89401.63022.8918
S21.89402.89181.6302
F31.63022.89183.6949
F42.89181.63023.6949

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 110.061 S2 S1 F3 110.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.118      
2 S 0.118      
3 F -0.118      
4 F -0.118      


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 -0.998 0.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.052 -1.409 0.000
y -1.409 -35.326 0.000
z 0.000 0.000 -34.377
Traceless
 xyz
x 0.800 -1.409 0.000
y -1.409 -1.112 0.000
z 0.000 0.000 0.312
Polar
3z2-r20.624
x2-y21.274
xy-1.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.352 -0.744 0.000
y -0.744 8.322 0.000
z 0.000 0.000 4.369


<r2> (average value of r2) Å2
<r2> 125.560
(<r2>)1/2 11.205