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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: TPSSh/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/cc-pVQZ
 hartrees
Energy at 0K-797.665089
Energy at 298.15K-797.667204
HF Energy-797.665089
Nuclear repulsion energy84.821206
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 TPSSh/cc-pVQZ
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 2631 2631 1.32      
2 A 900 900 0.09      
3 A 513 513 0.03      
4 A 454 454 12.68      
5 B 2634 2634 5.19      
6 B 902 902 6.90      

Unscaled Zero Point Vibrational Energy (zpe) 4017.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4017.2 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 TPSSh/cc-pVQZ
ABC
4.89240 0.23112 0.23104

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.032 -0.055
S2 0.000 -1.032 -0.055
H3 0.949 1.233 0.881
H4 -0.949 -1.233 0.881

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.06371.34782.6280
S22.06372.62801.3478
H31.34782.62803.1119
H42.62801.34783.1119

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.589 S2 S1 H3 98.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.116      
2 S -0.116      
3 H 0.116      
4 H 0.116      


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 1.166 1.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.005 0.376 0.000
y 0.376 7.943 0.000
z 0.000 0.000 4.970


<r2> (average value of r2) Å2
<r2> 57.112
(<r2>)1/2 7.557