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: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-471.308328
Energy at 298.15K-471.310541
HF Energy-471.111428
Nuclear repulsion energy53.749105
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 CCD/3-21G
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 3439 3343 5.93      
2 A 2342 2277 67.10      
3 A 1268 1233 38.23      
4 A 929 903 2.53      
5 A 677 658 4.57      
6 A 421 410 107.00      

Unscaled Zero Point Vibrational Energy (zpe) 4537.6 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 4411.9 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 CCD/3-21G
ABC
6.30825 0.44262 0.43131

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.620 -0.093 0.000
O2 1.167 0.046 -0.117
H3 -0.919 1.252 0.123
H4 1.501 -0.136 0.805

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.79571.38352.2687
O21.79572.42120.9976
H31.38352.42122.8724
H42.26870.99762.8724

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 104.997 O2 S1 H3 98.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability