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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B3LYP/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 B3LYP/cc-pV(D+d)Z
 hartrees
Energy at 0K-996.069862
Energy at 298.15K 
HF Energy-996.069862
Nuclear repulsion energy225.354418
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-pV(D+d)Z
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pV(D+d)Z
ABC
0.36416 0.08843 0.08214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pV(D+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.396 0.873 -0.407
S2 0.396 -0.873 -0.407
F3 0.396 1.820 0.723
F4 -0.396 -1.820 0.723

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.91801.67412.9207
S21.91802.92071.6741
F31.67412.92073.7254
F42.92071.67413.7254

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 108.613 S2 S1 F3 108.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.317      
2 S 0.317      
3 F -0.317      
4 F -0.317      


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 -1.787 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.101 -2.266 0.000
y -2.266 -37.143 0.000
z 0.000 0.000 -34.766
Traceless
 xyz
x 1.854 -2.266 0.000
y -2.266 -2.709 0.000
z 0.000 0.000 0.856
Polar
3z2-r21.712
x2-y23.042
xy-2.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.424 -0.738 0.000
y -0.738 7.634 0.000
z 0.000 0.000 3.511


<r2> (average value of r2) Å2
<r2> 128.668
(<r2>)1/2 11.343