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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-996.079910
Energy at 298.15K-996.080846
Nuclear repulsion energy225.846769
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 B1B95/cc-pVDZ
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 740 712 68.91      
2 A 608 585 0.68      
3 A 274 263 1.01      
4 A 180 173 3.15      
5 B 711 683 186.26      
6 B 305 293 12.86      

Unscaled Zero Point Vibrational Energy (zpe) 1408.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1354.1 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 B1B95/cc-pVDZ
ABC
0.35626 0.08990 0.08354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.404 0.874 -0.409
S2 0.404 -0.874 -0.409
F3 0.404 1.792 0.728
F4 -0.404 -1.792 0.728

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.92611.67002.8981
S21.92612.89811.6700
F31.67002.89813.6738
F42.89811.67003.6738

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 107.179 S2 S1 F3 107.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.320      
2 S 0.320      
3 F -0.320      
4 F -0.320      


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 -1.840 1.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.044 -2.365 0.000
y -2.365 -36.966 0.000
z 0.000 0.000 -34.772
Traceless
 xyz
x 1.825 -2.365 0.000
y -2.365 -2.558 0.000
z 0.000 0.000 0.733
Polar
3z2-r21.466
x2-y22.921
xy-2.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.443 -0.743 0.000
y -0.743 7.479 0.000
z 0.000 0.000 3.515


<r2> (average value of r2) Å2
<r2> 127.324
(<r2>)1/2 11.284