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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-996.000484
Energy at 298.15K-996.001369
HF Energy-996.000484
Nuclear repulsion energy225.378808
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 TPSSh/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 732 702 62.52      
2 A 594 570 0.14      
3 A 271 260 0.69      
4 A 177 170 2.79      
5 B 702 673 184.75      
6 B 297 285 11.23      

Unscaled Zero Point Vibrational Energy (zpe) 1386.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1330.4 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 TPSSh/6-31G*
ABC
0.36638 0.08824 0.08209

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.399 0.891 -0.399
S2 0.399 -0.891 -0.399
F3 0.399 1.803 0.709
F4 -0.399 -1.803 0.709

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.95341.64242.9138
S21.95342.91381.6424
F31.64242.91383.6942
F42.91381.64243.6942

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 107.943 S2 S1 F3 107.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.335      
2 S 0.335      
3 F -0.335      
4 F -0.335      


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 -1.438 1.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.675 -0.787 0.000
y -0.787 8.003 0.000
z 0.000 0.000 3.718


<r2> (average value of r2) Å2
<r2> 128.664
(<r2>)1/2 11.343