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All results from a given calculation for FSSF (Difluorodisulfane)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-993.204705
Energy at 298.15K-993.205650
Nuclear repulsion energy228.212778
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 LSDA/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 713 706 82.67      
2 A 647 640 0.19      
3 A 284 281 1.23      
4 A 178 176 1.63      
5 B 676 669 237.50      
6 B 303 300 10.85      

Unscaled Zero Point Vibrational Energy (zpe) 1401.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 1386.0 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 LSDA/cc-pVTZ
ABC
0.37580 0.09050 0.08383

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.386 0.864 -0.403
S2 0.386 -0.864 -0.403
F3 0.386 1.802 0.716
F4 -0.386 -1.802 0.716

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.89261.65142.8910
S21.89262.89101.6514
F31.65142.89103.6852
F42.89101.65143.6852

picture of Difluorodisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 F4 109.134 S2 S1 F3 109.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.241      
2 S 0.241      
3 F -0.241      
4 F -0.241      


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 -1.439 1.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.400 -1.970 0.000
y -1.970 -36.743 0.000
z 0.000 0.000 -35.036
Traceless
 xyz
x 1.490 -1.970 0.000
y -1.970 -2.025 0.000
z 0.000 0.000 0.535
Polar
3z2-r21.071
x2-y22.343
xy-1.970
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.332 -0.768 0.000
y -0.768 8.449 0.000
z 0.000 0.000 4.397


<r2> (average value of r2) Å2
<r2> 126.297
(<r2>)1/2 11.238