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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-996.153603
Energy at 298.15K-996.154370
Nuclear repulsion energy222.311438
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 BLYP/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 631 629 72.57      
2 A 583 581 0.99      
3 A 268 268 1.61      
4 A 167 167 1.69      
5 B 599 597 217.79      
6 B 285 284 11.72      

Unscaled Zero Point Vibrational Energy (zpe) 1266.5 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 1262.7 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 BLYP/cc-pVTZ
ABC
0.35599 0.08591 0.07951

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.396 0.882 -0.414
S2 0.396 -0.882 -0.414
F3 0.396 1.854 0.737
F4 -0.396 -1.854 0.737

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.93291.70172.9675
S21.93292.96751.7017
F31.70172.96753.7906
F42.96751.70173.7906

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.299 S2 S1 F3 109.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.279      
2 S 0.279      
3 F -0.279      
4 F -0.279      


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 -1.717 1.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.446 -2.284 0.000
y -2.284 -37.544 0.000
z 0.000 0.000 -35.180
Traceless
 xyz
x 1.916 -2.284 0.000
y -2.284 -2.731 0.000
z 0.000 0.000 0.815
Polar
3z2-r21.630
x2-y23.098
xy-2.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.401 -0.736 0.000
y -0.736 8.858 0.000
z 0.000 0.000 4.540


<r2> (average value of r2) Å2
<r2> 132.120
(<r2>)1/2 11.494