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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-996.094058
Energy at 298.15K-996.094919
HF Energy-996.094058
Nuclear repulsion energy225.122525
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 B97D3/cc-pVTZ
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 663 653 79.63      
2 A 609 600 0.26      
3 A 280 276 1.42      
4 A 175 172 1.69      
5 B 628 620 229.29      
6 B 300 296 11.66      

Unscaled Zero Point Vibrational Energy (zpe) 1326.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 1308.2 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 B97D3/cc-pVTZ
ABC
0.36454 0.08817 0.08157

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.391 0.871 -0.410
S2 0.391 -0.871 -0.410
F3 0.391 1.829 0.728
F4 -0.391 -1.829 0.728

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.91001.67992.9301
S21.91002.93011.6799
F31.67992.93013.7400
F42.93011.67993.7400

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.245 S2 S1 F3 109.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.268      
2 S 0.268      
3 F -0.268      
4 F -0.268      


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 -1.589 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.077 -2.122 0.000
y -2.122 -36.848 0.000
z 0.000 0.000 -34.765
Traceless
 xyz
x 1.729 -2.122 0.000
y -2.122 -2.426 0.000
z 0.000 0.000 0.697
Polar
3z2-r21.395
x2-y22.770
xy-2.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.343 -0.719 0.000
y -0.719 8.579 0.000
z 0.000 0.000 4.467


<r2> (average value of r2) Å2
<r2> 129.049
(<r2>)1/2 11.360