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: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-473.814629
Energy at 298.15K-473.816966
HF Energy-473.487781
Nuclear repulsion energy56.453348
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 QCISD/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 3737 3559 50.83      
2 A 2662 2535 48.96      
3 A 1274 1213 49.67      
4 A 1027 978 4.60      
5 A 774 737 43.20      
6 A 506 482 102.07      

Unscaled Zero Point Vibrational Energy (zpe) 4990.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 4752.1 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 QCISD/6-31G*
ABC
6.63556 0.49407 0.48093

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.586 -0.090 0.007
O2 1.101 0.028 -0.118
H3 -0.872 1.232 0.037
H4 1.449 -0.011 0.790

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.69571.35262.1821
O21.69572.31610.9738
H31.35262.31612.7385
H42.18210.97382.7385

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 106.502 O2 S1 H3 98.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability