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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: LSDA/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 LSDA/6-311G*
 hartrees
Energy at 0K-993.137694
Energy at 298.15K-993.138535
Nuclear repulsion energy225.840717
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/6-311G*
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 664 653 70.80      
2 A 630 620 2.31      
3 A 275 270 1.84      
4 A 173 170 3.42      
5 B 630 619 221.39      
6 B 290 285 14.07      

Unscaled Zero Point Vibrational Energy (zpe) 1330.6 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 1308.9 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/6-311G*
ABC
0.36918 0.08837 0.08204

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.392 0.864 -0.405
S2 0.392 -0.864 -0.405
F3 0.392 1.831 0.720
F4 -0.392 -1.831 0.720

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.89681.67862.9203
S21.89682.92031.6786
F31.67862.92033.7453
F42.92031.67863.7453

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.375 S2 S1 F3 109.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.317      
2 S 0.317      
3 F -0.317      
4 F -0.317      


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 -1.916 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.749 -2.247 0.000
y -2.247 -38.724 0.000
z 0.000 0.000 -35.406
Traceless
 xyz
x 2.316 -2.247 0.000
y -2.247 -3.646 0.000
z 0.000 0.000 1.330
Polar
3z2-r22.660
x2-y23.975
xy-2.247
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.651 -0.925 0.000
y -0.925 8.368 0.000
z 0.000 0.000 3.660


<r2> (average value of r2) Å2
<r2> 129.167
(<r2>)1/2 11.365