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: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-472.218268
Energy at 298.15K-472.220613
HF Energy-472.218268
Nuclear repulsion energy56.245935
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 B3PW91/3-21G*
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 3453 3312 13.01      
2 A 2596 2491 53.09      
3 A 1247 1196 41.34      
4 A 1003 963 4.88      
5 A 750 720 29.05      
6 A 531 510 101.46      

Unscaled Zero Point Vibrational Energy (zpe) 4790.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4595.8 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 B3PW91/3-21G*
ABC
6.60448 0.49135 0.47906

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.585 -0.092 0.010
O2 1.102 0.026 -0.122
H3 -0.932 1.221 0.010
H4 1.474 0.035 0.803

Atom - Atom Distances (Å)
  S1 O2 H3 H4
S11.69541.35762.2096
O21.69542.36220.9973
H31.35762.36222.7970
H42.20960.99732.7970

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 107.434 O2 S1 H3 100.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.088      
2 O -0.568      
3 H 0.105      
4 H 0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.074 0.939 1.795 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.556 -1.165 2.781
y -1.165 -18.291 0.069
z 2.781 0.069 -19.655
Traceless
 xyz
x 1.417 -1.165 2.781
y -1.165 0.314 0.069
z 2.781 0.069 -1.731
Polar
3z2-r2-3.462
x2-y20.735
xy-1.165
xz2.781
yz0.069


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.314 -0.378 0.243
y -0.378 2.412 -0.006
z 0.243 -0.006 1.822


<r2> (average value of r2) Å2
<r2> 32.169
(<r2>)1/2 5.672