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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-995.905825
Energy at 298.15K-995.906775
HF Energy-995.905825
Nuclear repulsion energy 
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 wB97X-D/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 771 732 70.32      
2 A 592 562 0.26      
3 A 278 264 0.40      
4 A 181 172 3.28      
5 B 742 704 179.75      
6 B 313 297 12.67      

Unscaled Zero Point Vibrational Energy (zpe) 1439.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 1365.0 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 wB97X-D/6-31G*
ABC
0.36386 0.09103 0.08473

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.403 0.888 -0.399
S2 0.403 -0.888 -0.399
F3 0.403 1.772 0.709
F4 -0.403 -1.772 0.709

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.94981.63182.8817
S21.94982.88171.6318
F31.63182.88173.6354
F42.88171.63183.6354

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 106.800 S2 S1 F3 106.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.351      
2 S 0.351      
3 F -0.351      
4 F -0.351      


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 -1.494 1.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.284 -1.782 0.000
y -1.782 -36.584 0.000
z 0.000 0.000 -34.704
Traceless
 xyz
x 1.360 -1.782 0.000
y -1.782 -2.091 0.000
z 0.000 0.000 0.730
Polar
3z2-r21.461
x2-y22.300
xy-1.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.652 -0.777 0.000
y -0.777 7.545 0.000
z 0.000 0.000 3.656


<r2> (average value of r2) Å2
<r2> 125.826
(<r2>)1/2 11.217