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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-219.820695
Energy at 298.15K-219.821110
Nuclear repulsion energy70.246938
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 B3LYP/LANL2DZ
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 648 623 30.97      
2 A 410 394 0.72      
3 A 197 189 0.26      
4 A 133 128 5.31      
5 B 634 610 97.03      
6 B 231 222 8.92      

Unscaled Zero Point Vibrational Energy (zpe) 1126.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1083.0 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 B3LYP/LANL2DZ
ABC
0.28875 0.07744 0.07300

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.471 0.982 -0.441
S2 0.471 -0.982 -0.441
F3 0.471 1.873 0.785
F4 -0.471 -1.873 0.785

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.17861.78503.1074
S22.17863.10741.7850
F31.78503.10743.8637
F43.10741.78503.8637

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 102.802 S2 S1 F3 102.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.385      
2 S 0.385      
3 F -0.385      
4 F -0.385      


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 -2.714 2.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.195 -3.382 0.000
y -3.382 -38.950 0.000
z 0.000 0.000 -35.156
Traceless
 xyz
x 2.858 -3.382 0.000
y -3.382 -4.275 0.000
z 0.000 0.000 1.417
Polar
3z2-r22.833
x2-y24.755
xy-3.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.155 -1.030 0.000
y -1.030 8.870 0.000
z 0.000 0.000 3.157


<r2> (average value of r2) Å2
<r2> 117.378
(<r2>)1/2 10.834