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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: PBEPBE/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/cc-pV(D+d)Z
 hartrees
Energy at 0K-995.531045
Energy at 298.15K 
HF Energy-995.531045
Nuclear repulsion energy223.567529
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 PBEPBE/cc-pV(D+d)Z
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 683 683 59.43      
2 A 621 621 2.73      
3 A 275 275 1.29      
4 A 170 170 2.30      
5 B 645 645 197.49      
6 B 286 286 10.82      

Unscaled Zero Point Vibrational Energy (zpe) 1339.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1339.3 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 PBEPBE/cc-pV(D+d)Z
ABC
0.37035 0.08570 0.07958

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pV(D+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.389 0.871 -0.406
S2 0.389 -0.871 -0.406
F3 0.389 1.869 0.722
F4 -0.389 -1.869 0.722

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.90801.69502.9634
S21.90802.96341.6950
F31.69502.96343.8185
F42.96341.69503.8185

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 110.532 S2 S1 F3 110.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.284      
2 S 0.284      
3 F -0.284      
4 F -0.284      


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 -1.622 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.064 -2.030 0.000
y -2.030 -37.054 0.000
z 0.000 0.000 -34.600
Traceless
 xyz
x 1.763 -2.030 0.000
y -2.030 -2.722 0.000
z 0.000 0.000 0.958
Polar
3z2-r21.917
x2-y22.990
xy-2.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.461 -0.731 0.000
y -0.731 8.116 0.000
z 0.000 0.000 3.587


<r2> (average value of r2) Å2
<r2> 131.403
(<r2>)1/2 11.463