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/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-48.048569
Energy at 298.15K 
HF Energy-48.048569
Nuclear repulsion energy48.993297
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/CEP-31G*
Rotational Constants (cm-1) from geometry optimized at HF/CEP-31G*
ABC
1.83423 0.38192 0.33602

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.583
O2 0.000 1.111 -0.233
O3 0.000 -1.111 -0.233
H4 -0.919 1.213 -0.472
H5 0.919 -1.213 -0.472

Atom - Atom Distances (Å)
  O1 O2 O3 H4 H5
O11.37841.37841.85211.8521
O21.37842.22160.95562.5102
O31.37842.22162.51020.9556
H41.85210.95562.51023.0437
H51.85212.51020.95563.0437

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 103.548 O1 O3 H5 103.548
O2 O1 O3 107.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.060      
2 O -0.396      
3 O -0.396      
4 H 0.426      
5 H 0.426      


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 -1.189 1.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.477 -4.899 0.000
y -4.899 -17.010 0.000
z 0.000 0.000 -17.434
Traceless
 xyz
x 3.745 -4.899 0.000
y -4.899 -1.554 0.000
z 0.000 0.000 -2.191
Polar
3z2-r2-4.383
x2-y23.533
xy-4.899
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.745 -0.346 0.000
y -0.346 3.096 0.000
z 0.000 0.000 1.664


<r2> (average value of r2) Å2
<r2> 32.554
(<r2>)1/2 5.706