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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-993.014311
Energy at 298.15K-993.015219
Nuclear repulsion energy226.604898
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 LSDA/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 747 733 63.22      
2 A 627 615 0.08      
3 A 276 271 0.89      
4 A 175 171 2.33      
5 B 715 702 202.71      
6 B 290 284 10.19      

Unscaled Zero Point Vibrational Energy (zpe) 1414.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 1388.0 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 LSDA/6-31G*
ABC
0.38286 0.08789 0.08186

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.385 0.874 -0.398
S2 0.385 -0.874 -0.398
F3 0.385 1.834 0.707
F4 -0.385 -1.834 0.707

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.91101.65352.9248
S21.91102.92481.6535
F31.65352.92483.7476
F42.92481.65353.7476

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 110.068 S2 S1 F3 110.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.299      
2 S 0.299      
3 F -0.299      
4 F -0.299      


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 -1.283 1.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.346 -1.478 0.000
y -1.478 -36.571 0.000
z 0.000 0.000 -34.592
Traceless
 xyz
x 1.236 -1.478 0.000
y -1.478 -2.103 0.000
z 0.000 0.000 0.866
Polar
3z2-r21.733
x2-y22.226
xy-1.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.676 -0.836 0.000
y -0.836 8.227 0.000
z 0.000 0.000 3.689


<r2> (average value of r2) Å2
<r2> 128.438
(<r2>)1/2 11.333