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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: SVWN/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at SVWN/cc-pV(D+d)Z
 hartrees
Energy at 0K-993.078772
Energy at 298.15K 
HF Energy-993.078772
Nuclear repulsion energy227.039812
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 SVWN/cc-pV(D+d)Z
Rotational Constants (cm-1) from geometry optimized at SVWN/cc-pV(D+d)Z
ABC
0.38264 0.08835 0.08211

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/cc-pV(D+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.383 0.863 -0.399
S2 0.383 -0.863 -0.399
F3 0.383 1.837 0.709
F4 -0.383 -1.837 0.709

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.88811.66292.9185
S21.88812.91851.6629
F31.66292.91853.7531
F42.91851.66293.7531

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 110.387 S2 S1 F3 110.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.271      
2 S 0.271      
3 F -0.271      
4 F -0.271      


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 -1.514 1.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.050 -1.897 0.000
y -1.897 -36.758 0.000
z 0.000 0.000 -34.553
Traceless
 xyz
x 1.605 -1.897 0.000
y -1.897 -2.457 0.000
z 0.000 0.000 0.851
Polar
3z2-r21.703
x2-y22.708
xy-1.897
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.405 -0.756 0.000
y -0.756 7.853 0.000
z 0.000 0.000 3.485


<r2> (average value of r2) Å2
<r2> 127.996
(<r2>)1/2 11.314