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 H2OO (water oxide)

using model chemistry: TPSSh/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/daug-cc-pVDZ
 hartrees
Energy at 0K-151.503734
Energy at 298.15K 
HF Energy-151.503734
Nuclear repulsion energy35.369558
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 TPSSh/daug-cc-pVDZ
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' 3642 3642 45.18 105.27 0.06 0.11
2 A' 1600 1600 82.66 3.38 0.70 0.82
3 A' 912 912 85.34 6.47 0.28 0.44
4 A' 678 678 83.49 1.51 0.28 0.44
5 A" 3744 3744 158.33 28.18 0.75 0.86
6 A" 865 865 0.05 3.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5720.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5720.1 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 TPSSh/daug-cc-pVDZ
ABC
9.57914 0.79584 0.77068

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.062 -0.662 0.000
O2 0.062 0.874 0.000
H3 -0.493 -0.846 0.780
H4 -0.493 -0.846 -0.780

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.53640.97470.9747
O21.53641.96871.9687
H30.97471.96871.5596
H40.97471.96871.5596

picture of water oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 O1 H3 100.879 O2 O1 H4 100.879
H3 O1 H4 106.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.693      
2 O -0.368      
3 H 0.530      
4 H 0.530      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.973 -4.208 0.000 4.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.289 0.158 0.000
y 0.158 3.156 0.000
z 0.000 0.000 2.420


<r2> (average value of r2) Å2
<r2> 19.967
(<r2>)1/2 4.468