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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-995.867184
Energy at 298.15K-995.867552
Nuclear repulsion energy205.690169
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/6-31G
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 609 604 23.21      
2 A 434 431 1.20      
3 A 194 193 0.81      
4 A 133 132 3.30      
5 B 600 595 101.93      
6 B 210 208 6.74      

Unscaled Zero Point Vibrational Energy (zpe) 1089.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 1081.6 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/6-31G
ABC
0.29739 0.07426 0.06961

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.453 0.972 -0.442
S2 0.453 -0.972 -0.442
F3 0.453 1.958 0.786
F4 -0.453 -1.958 0.786

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.14491.81673.1767
S22.14493.17671.8167
F31.81673.17674.0193
F43.17671.81674.0193

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 106.326 S2 S1 F3 106.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.315      
2 S 0.315      
3 F -0.315      
4 F -0.315      


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 -2.159 2.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.043 -2.536 0.000
y -2.536 -39.477 0.000
z 0.000 0.000 -35.636
Traceless
 xyz
x 2.513 -2.536 0.000
y -2.536 -4.137 0.000
z 0.000 0.000 1.624
Polar
3z2-r23.248
x2-y24.433
xy-2.536
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.554 -0.910 0.000
y -0.910 9.588 0.000
z 0.000 0.000 3.697


<r2> (average value of r2) Å2
<r2> 149.795
(<r2>)1/2 12.239