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: wB97X-D/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVQZ
 hartrees
Energy at 0K-151.499646
Energy at 298.15K 
HF Energy-151.499646
Nuclear repulsion energy35.938805
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 wB97X-D/cc-pVQZ
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' 3777 3777 58.03 63.28 0.06 0.12
2 A' 1618 1618 92.17 3.86 0.64 0.78
3 A' 923 923 101.54 3.86 0.43 0.60
4 A' 713 713 100.29 3.95 0.13 0.24
5 A" 3873 3873 183.41 20.30 0.75 0.86
6 A" 920 920 0.02 2.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5911.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5911.8 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 wB97X-D/cc-pVQZ
ABC
9.92345 0.82467 0.79615

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.059 -0.646 0.000
O2 0.059 0.860 0.000
H3 -0.471 -0.857 0.777
H4 -0.471 -0.857 -0.777

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.50640.96320.9632
O21.50641.95751.9575
H30.96321.95751.5532
H40.96321.95751.5532

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 102.635 O2 O1 H4 102.635
H3 O1 H4 107.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.076      
2 O -0.516      
3 H 0.296      
4 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.975 -4.274 0.000 4.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.812 1.737 0.000
y 1.737 -11.586 0.000
z 0.000 0.000 -9.631
Traceless
 xyz
x -1.203 1.737 0.000
y 1.737 -0.865 0.000
z 0.000 0.000 2.069
Polar
3z2-r24.137
x2-y2-0.225
xy1.737
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.455 0.153 0.000
y 0.153 2.627 0.000
z 0.000 0.000 1.645


<r2> (average value of r2) Å2
<r2> 19.310
(<r2>)1/2 4.394