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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-992.886911
Energy at 298.15K-992.887446
Nuclear repulsion energy210.869230
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 665 651 28.42      
2 A 496 486 1.00      
3 A 211 206 0.99      
4 A 141 138 3.42      
5 B 656 642 115.59      
6 B 222 217 7.85      

Unscaled Zero Point Vibrational Energy (zpe) 1194.8 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 1170.6 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 LSDA/6-31G
ABC
0.31197 0.07814 0.07308

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 -0.440 0.944 -0.433
S2 0.440 -0.944 -0.433
F3 0.440 1.913 0.770
F4 -0.440 -1.913 0.770

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.08341.77713.0998
S22.08343.09981.7771
F31.77713.09983.9250
F43.09981.77713.9250

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 106.557 S2 S1 F3 106.557
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 0.324      
2 S 0.324      
3 F -0.324      
4 F -0.324      


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 -2.095 2.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.128 -2.399 0.000
y -2.399 -39.436 0.000
z 0.000 0.000 -35.707
Traceless
 xyz
x 2.444 -2.399 0.000
y -2.399 -4.019 0.000
z 0.000 0.000 1.575
Polar
3z2-r23.149
x2-y24.308
xy-2.399
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.458 -0.908 0.000
y -0.908 9.180 0.000
z 0.000 0.000 3.587


<r2> (average value of r2) Å2
<r2> 143.675
(<r2>)1/2 11.986