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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-995.654817
Energy at 298.15K-995.655682
HF Energy-995.654817
Nuclear repulsion energy225.895624
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 667 659 79.48      
2 A 629 621 7.24      
3 A 283 280 1.44      
4 A 174 172 1.56      
5 B 622 615 246.63      
6 B 300 296 11.75      

Unscaled Zero Point Vibrational Energy (zpe) 1337.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 1321.1 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/Def2TZVPP
ABC
0.37196 0.08824 0.08163

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.380 0.892 -0.411
S2 0.380 -0.892 -0.411
F3 0.380 1.791 0.731
F4 -0.380 -1.791 0.731

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.93851.64052.9163
S21.93852.91631.6405
F31.64052.91633.6620
F42.91631.64053.6620

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 108.855 S2 S1 F3 108.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.220      
2 S 0.220      
3 F -0.220      
4 F -0.220      


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 -1.543 1.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.399 -2.131 0.000
y -2.131 -37.091 0.000
z 0.000 0.000 -35.099
Traceless
 xyz
x 1.696 -2.131 0.000
y -2.131 -2.342 0.000
z 0.000 0.000 0.646
Polar
3z2-r21.292
x2-y22.692
xy-2.131
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.386 -0.695 0.000
y -0.695 8.724 0.000
z 0.000 0.000 4.533


<r2> (average value of r2) Å2
<r2> 128.924
(<r2>)1/2 11.354