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: MP3=FULL/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 MP3=FULL/3-21G*
 hartrees
Energy at 0K-471.499634
Energy at 298.15K-471.501979
HF Energy-471.232259
Nuclear repulsion energy56.237003
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 MP3=FULL/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 3503 3503 9.13      
2 A 2694 2694 38.47      
3 A 1289 1289 42.72      
4 A 1036 1036 6.54      
5 A 755 755 22.12      
6 A 517 517 106.75      

Unscaled Zero Point Vibrational Energy (zpe) 4897.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4897.3 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 MP3=FULL/3-21G*
ABC
6.68074 0.48982 0.47763

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.587 -0.090 0.011
O2 1.103 0.023 -0.122
H3 -0.907 1.218 0.006
H4 1.482 0.039 0.795

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.69911.34672.2166
O21.69912.34200.9922
H31.34672.34202.7788
H42.21660.99222.7788

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 107.999 O2 S1 H3 99.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability