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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: BLYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-996.092997
Energy at 298.15K-996.093644
Nuclear repulsion energy219.662481
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/6-311G*
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 586 585 58.29      
2 A 560 559 1.68      
3 A 257 256 1.97      
4 A 161 161 3.30      
5 B 560 559 191.07      
6 B 271 270 13.57      

Unscaled Zero Point Vibrational Energy (zpe) 1197.5 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 1194.5 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/6-311G*
ABC
0.34774 0.08371 0.07770

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.404 0.883 -0.417
S2 0.404 -0.883 -0.417
F3 0.404 1.884 0.742
F4 -0.404 -1.884 0.742

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.94261.73183.0000
S21.94263.00001.7318
F31.73183.00003.8533
F43.00001.73183.8533

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.328 S2 S1 F3 109.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.326      
2 S 0.326      
3 F -0.326      
4 F -0.326      


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 -2.127 2.127
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.853 -2.506 0.000
y -2.506 -39.384 0.000
z 0.000 0.000 -35.567
Traceless
 xyz
x 2.622 -2.506 0.000
y -2.506 -4.173 0.000
z 0.000 0.000 1.551
Polar
3z2-r23.102
x2-y24.531
xy-2.506
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.760 -0.918 0.000
y -0.918 8.854 0.000
z 0.000 0.000 3.825


<r2> (average value of r2) Å2
<r2> 135.351
(<r2>)1/2 11.634