return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-996.104002
Energy at 298.15K-996.104848
HF Energy-996.104002
Nuclear repulsion energy224.893413
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 B97D3/aug-cc-pVTZ
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 649 639 87.49      
2 A 613 603 0.39      
3 A 280 276 1.60      
4 A 174 171 1.37      
5 B 612 603 242.25      
6 B 299 295 12.57      

Unscaled Zero Point Vibrational Energy (zpe) 1313.2 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 1293.1 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 B97D3/aug-cc-pVTZ
ABC
0.36145 0.08826 0.08147

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.391 0.870 -0.412
S2 0.391 -0.870 -0.412
F3 0.391 1.829 0.733
F4 -0.391 -1.829 0.733

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.90641.68612.9317
S21.90642.93171.6861
F31.68612.93173.7405
F42.93171.68613.7405

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.230 S2 S1 F3 109.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.441      
2 S 0.441      
3 F -0.441      
4 F -0.441      


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 -1.632 1.632
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.556 -2.337 0.000
y -2.337 -37.392 0.000
z 0.000 0.000 -35.412
Traceless
 xyz
x 1.846 -2.337 0.000
y -2.337 -2.408 0.000
z 0.000 0.000 0.562
Polar
3z2-r21.125
x2-y22.836
xy-2.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.565 -0.512 0.000
y -0.512 9.558 0.000
z 0.000 0.000 5.794


<r2> (average value of r2) Å2
<r2> 129.506
(<r2>)1/2 11.380