return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOSH (hydrogen thioperoxide)

using model chemistry: PBEPBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-474.245437
Energy at 298.15K-474.247582
HF Energy-474.245437
Nuclear repulsion energy52.793047
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 PBEPBE/6-31G
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 3447 3399 20.88      
2 A 2373 2340 79.18      
3 A 1171 1155 41.20      
4 A 862 850 0.78      
5 A 652 643 13.21      
6 A 393 387 117.71      

Unscaled Zero Point Vibrational Energy (zpe) 4448.7 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 4387.3 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 PBEPBE/6-31G
ABC
6.16612 0.42524 0.41359

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.634 -0.093 -0.004
O2 1.192 0.057 -0.112
H3 -0.904 1.267 0.179
H4 1.516 -0.231 0.785

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.83631.39932.2944
O21.83632.43840.9964
H31.39932.43842.9102
H42.29440.99642.9102

picture of hydrogen thioperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 O2 H4 104.228 O2 S1 H3 96.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.164      
2 O -0.612      
3 H 0.072      
4 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.334 0.627 1.953 2.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.195 -2.218 2.613
y -2.218 -18.545 -0.038
z 2.613 -0.038 -20.167
Traceless
 xyz
x 1.160 -2.218 2.613
y -2.218 0.636 -0.038
z 2.613 -0.038 -1.796
Polar
3z2-r2-3.593
x2-y20.350
xy-2.218
xz2.613
yz-0.038


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.005 -0.357 0.120
y -0.357 2.682 0.002
z 0.120 0.002 1.873


<r2> (average value of r2) Å2
<r2> 35.354
(<r2>)1/2 5.946