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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-26.845474
Energy at 298.15K-26.847576
HF Energy-26.678150
Nuclear repulsion energy18.649207
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 MP2/CEP-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 3616 3494 31.90      
2 A 2505 2420 65.86      
3 A 1163 1124 40.20      
4 A 899 869 4.00      
5 A 636 615 15.25      
6 A 353 341 153.33      

Unscaled Zero Point Vibrational Energy (zpe) 4585.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 4430.9 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 MP2/CEP-31G
ABC
6.26565 0.42028 0.40832

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.642 -0.092 -0.004
O2 1.196 0.059 -0.110
H3 -0.862 1.264 0.196
H4 1.568 -0.269 0.752

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.84701.38872.3426
O21.84702.40460.9946
H31.38872.40462.9272
H42.34260.99462.9272

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 107.211 O2 S1 H3 94.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability