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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-981.195215
Energy at 298.15K-981.195876
Nuclear repulsion energy218.323946
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/STO-3G
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 850 761 8.26      
2 A 558 500 1.14      
3 A 237 212 0.42      
4 A 143 128 0.66      
5 B 844 756 53.59      
6 B 279 250 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 1455.3 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 1303.2 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/STO-3G
ABC
0.31339 0.08643 0.08116

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.450 0.934 -0.425
S2 0.450 -0.934 -0.425
F3 0.450 1.767 0.756
F4 -0.450 -1.767 0.756

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.07331.70232.9476
S22.07332.94761.7023
F31.70232.94763.6468
F42.94761.70233.6468

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 102.202 S2 S1 F3 102.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.122      
2 S 0.122      
3 F -0.122      
4 F -0.122      


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 -0.383 0.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.990 -0.435 0.000
y -0.435 -30.752 0.000
z 0.000 0.000 -30.136
Traceless
 xyz
x 0.454 -0.435 0.000
y -0.435 -0.689 0.000
z 0.000 0.000 0.235
Polar
3z2-r20.469
x2-y20.762
xy-0.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.382 -0.283 0.000
y -0.283 4.959 0.000
z 0.000 0.000 1.631


<r2> (average value of r2) Å2
<r2> 129.211
(<r2>)1/2 11.367