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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-984.365817
Energy at 298.15K-984.366535
Nuclear repulsion energy219.779118
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/STO-3G
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 886 782 5.25      
2 A 579 511 0.10      
3 A 249 220 0.60      
4 A 134 118 0.67      
5 B 882 779 27.15      
6 B 293 259 4.46      

Unscaled Zero Point Vibrational Energy (zpe) 1511.6 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 1334.8 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/STO-3G
ABC
0.30794 0.08887 0.08381

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.461 0.930 -0.424
S2 0.461 -0.930 -0.424
F3 0.461 1.722 0.754
F4 -0.461 -1.722 0.754

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S12.07651.69332.9022
S22.07652.90221.6933
F31.69332.90223.5655
F42.90221.69333.5655

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 100.189 S2 S1 F3 100.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.146      
2 S 0.146      
3 F -0.146      
4 F -0.146      


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 -0.529 0.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.123 -0.610 0.000
y -0.610 -31.014 0.000
z 0.000 0.000 -30.333
Traceless
 xyz
x 0.550 -0.610 0.000
y -0.610 -0.786 0.000
z 0.000 0.000 0.235
Polar
3z2-r20.471
x2-y20.891
xy-0.610
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.426 -0.286 0.000
y -0.286 4.463 0.000
z 0.000 0.000 1.613


<r2> (average value of r2) Å2
<r2> 126.746
(<r2>)1/2 11.258