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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-993.682042
Energy at 298.15K-993.682773
Nuclear repulsion energy215.295009
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 HF/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 826 746 37.28      
2 A 482 435 0.73      
3 A 228 206 0.01      
4 A 129 117 6.21      
5 B 816 736 73.86      
6 B 275 249 14.03      

Unscaled Zero Point Vibrational Energy (zpe) 1378.1 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 1244.3 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 HF/6-31G
ABC
0.29895 0.08458 0.08040

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.476 0.962 -0.426
S2 0.476 -0.962 -0.426
F3 0.476 1.756 0.757
F4 -0.476 -1.756 0.757

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.14591.71312.9638
S22.14592.96381.7131
F31.71312.96383.6375
F42.96381.71313.6375

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 99.746 S2 S1 F3 99.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.472      
2 S 0.472      
3 F -0.472      
4 F -0.472      


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 -2.779 2.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.707 -3.350 0.000
y -3.350 -40.122 0.000
z 0.000 0.000 -36.667
Traceless
 xyz
x 2.688 -3.350 0.000
y -3.350 -3.935 0.000
z 0.000 0.000 1.247
Polar
3z2-r22.494
x2-y24.415
xy-3.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.667 -0.969 0.000
y -0.969 7.871 0.000
z 0.000 0.000 3.513


<r2> (average value of r2) Å2
<r2> 135.936
(<r2>)1/2 11.659