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: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-226.618766
Energy at 298.15K 
HF Energy-226.618766
Nuclear repulsion energy79.707536
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 B3PW91/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G(2df,p)
ABC
1.76529 0.36543 0.32172

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.595
O2 0.000 1.138 -0.237
O3 0.000 -1.138 -0.237
H4 -0.935 1.208 -0.482
H5 0.935 -1.208 -0.482

Atom - Atom Distances (Å)
  O1 O2 O3 H4 H5
O11.40971.40971.86861.8686
O21.40972.27600.96902.5369
O31.40972.27602.53690.9690
H41.86860.96902.53693.0545
H51.86862.53690.96903.0545

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 101.945 O1 O3 H5 101.945
O2 O1 O3 107.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.106      
2 O -0.279      
3 O -0.279      
4 H 0.332      
5 H 0.332      


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 -1.078 1.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.427 -4.152 0.000
y -4.152 -16.302 0.000
z 0.000 0.000 -16.749
Traceless
 xyz
x 3.099 -4.152 0.000
y -4.152 -1.214 0.000
z 0.000 0.000 -1.885
Polar
3z2-r2-3.769
x2-y22.876
xy-4.152
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.091 -0.405 0.000
y -0.405 3.348 0.000
z 0.000 0.000 1.955


<r2> (average value of r2) Å2
<r2> 39.258
(<r2>)1/2 6.266