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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-990.519680
Energy at 298.15K-990.520177
HF Energy-990.519680
Nuclear repulsion energy210.860173
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 HSEh1PBE/3-21G
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 750 722 14.76      
2 A 401 386 0.00      
3 A 187 181 0.03      
4 A 144 138 2.77      
5 B 736 709 69.66      
6 B 219 211 4.85      

Unscaled Zero Point Vibrational Energy (zpe) 1217.9 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 1173.2 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 HSEh1PBE/3-21G
ABC
0.31328 0.07773 0.07369

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.454 1.001 -0.423
S2 0.454 -1.001 -0.423
F3 0.454 1.863 0.751
F4 -0.454 -1.863 0.751

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.19801.71623.0947
S22.19803.09471.7162
F31.71623.09473.8342
F43.09471.71623.8342

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 103.808 S2 S1 F3 103.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.306      
2 S 0.306      
3 F -0.306      
4 F -0.306      


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 -1.500 1.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.380 -1.912 0.000
y -1.912 -37.613 0.000
z 0.000 0.000 -35.811
Traceless
 xyz
x 1.332 -1.912 0.000
y -1.912 -2.018 0.000
z 0.000 0.000 0.686
Polar
3z2-r21.372
x2-y22.234
xy-1.912
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.156 -1.086 0.000
y -1.086 8.297 0.000
z 0.000 0.000 3.062


<r2> (average value of r2) Å2
<r2> 143.335
(<r2>)1/2 11.972