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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-996.001697
Energy at 298.15K-996.002573
Nuclear repulsion energy225.073238
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 B3LYPultrafine/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 738 707 63.54      
2 A 577 553 0.21      
3 A 269 257 0.63      
4 A 177 169 2.96      
5 B 709 680 178.02      
6 B 297 285 11.42      

Unscaled Zero Point Vibrational Energy (zpe) 1383.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1325.4 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 B3LYPultrafine/6-31G*
ABC
0.36266 0.08831 0.08225

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.401 0.886 -0.406
S2 0.401 -0.886 -0.406
F3 0.401 1.809 0.721
F4 -0.401 -1.809 0.721

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.94461.66262.9211
S21.94462.92111.6626
F31.66262.92113.7057
F42.92111.66263.7057

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 107.898 S2 S1 F3 107.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.344      
2 S 0.344      
3 F -0.344      
4 F -0.344      


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 -1.524 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.353 -1.815 0.000
y -1.815 -36.849 0.000
z 0.000 0.000 -34.757
Traceless
 xyz
x 1.450 -1.815 0.000
y -1.815 -2.295 0.000
z 0.000 0.000 0.844
Polar
3z2-r21.689
x2-y22.497
xy-1.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.686 -0.808 0.000
y -0.808 7.898 0.000
z 0.000 0.000 3.699


<r2> (average value of r2) Å2
<r2> 128.736
(<r2>)1/2 11.346