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 H2O3 (Hydrogen trioxide)

using model chemistry: HF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-225.656931
Energy at 298.15K 
HF Energy-225.656931
Nuclear repulsion energy82.274564
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 HF/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at HF/cc-pVQZ
ABC
1.89727 0.38870 0.34272

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.573
O2 0.000 1.101 -0.228
O3 0.000 -1.101 -0.228
H4 -0.906 1.209 -0.470
H5 0.906 -1.209 -0.470

Atom - Atom Distances (Å)
  O1 O2 O3 H4 H5
O11.36171.36171.83611.8361
O21.36172.20170.94412.4929
O31.36172.20172.49290.9441
H41.83610.94412.49293.0215
H51.83612.49290.94413.0215

picture of Hydrogen trioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 H4 104.086 O1 O3 H5 104.086
O2 O1 O3 107.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.025      
2 O -0.255      
3 O -0.255      
4 H 0.268      
5 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.084 1.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.502 -4.508 0.000
y -4.508 -16.659 0.000
z 0.000 0.000 -17.267
Traceless
 xyz
x 3.461 -4.508 0.000
y -4.508 -1.274 0.000
z 0.000 0.000 -2.186
Polar
3z2-r2-4.373
x2-y23.157
xy-4.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.081 -0.305 0.000
y -0.305 3.383 0.000
z 0.000 0.000 2.121


<r2> (average value of r2) Å2
<r2> 37.735
(<r2>)1/2 6.143