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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-788.504170
Energy at 298.15K-788.506178
HF Energy-788.504170
Nuclear repulsion energy83.880198
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/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 2949 2604 33.98      
2 A 1016 897 9.05      
3 A 629 555 0.01      
4 A 341 302 10.78      
5 B 2951 2606 35.04      
6 B 1020 901 12.25      

Unscaled Zero Point Vibrational Energy (zpe) 4453.1 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 3932.6 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/STO-3G
ABC
4.72606 0.22632 0.22581

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.045 -0.055
S2 0.000 -1.045 -0.055
H3 0.983 1.195 0.878
H4 -0.983 -1.195 0.878

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.09001.36312.6180
S22.09002.61801.3631
H31.36312.61803.0949
H42.61801.36313.0949

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.325 S2 S1 H3 96.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.011      
2 S 0.011      
3 H -0.011      
4 H -0.011      


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 1.098 1.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.922 1.499 0.000
y 1.499 -23.803 0.000
z 0.000 0.000 -23.225
Traceless
 xyz
x 0.592 1.499 0.000
y 1.499 -0.729 0.000
z 0.000 0.000 0.137
Polar
3z2-r20.275
x2-y20.880
xy1.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.442 0.617 0.000
y 0.617 3.463 0.000
z 0.000 0.000 1.236


<r2> (average value of r2) Å2
<r2> 55.933
(<r2>)1/2 7.479