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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: HSEh1PBE/aug-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 HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-797.344894
Energy at 298.15K-797.346985
HF Energy-797.344894
Nuclear repulsion energy84.118659
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 HSEh1PBE/aug-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 2648 2547 0.33      
2 A 882 849 0.05      
3 A 523 503 0.00      
4 A 428 412 14.80      
5 B 2650 2550 2.62      
6 B 879 846 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 4004.5 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 3853.1 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 HSEh1PBE/aug-cc-pVDZ
ABC
4.78749 0.22741 0.22728

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.041 -0.056
S2 0.000 -1.041 -0.056
H3 0.961 1.229 0.888
H4 -0.961 -1.229 0.888

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.08161.35992.6390
S22.08162.63901.3599
H31.35992.63903.1198
H42.63901.35993.1198

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.940 S2 S1 H3 97.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.185      
2 S -0.185      
3 H 0.185      
4 H 0.185      


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 1.205 1.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.993 2.103 0.000
y 2.103 -25.975 0.000
z 0.000 0.000 -27.279
Traceless
 xyz
x -0.366 2.103 0.000
y 2.103 1.161 0.000
z 0.000 0.000 -0.795
Polar
3z2-r2-1.590
x2-y2-1.019
xy2.103
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.590 0.375 0.000
y 0.375 8.289 0.000
z 0.000 0.000 5.562


<r2> (average value of r2) Å2
<r2> 57.913
(<r2>)1/2 7.610