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All results from a given calculation for H2OO (water oxide)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-151.432154
Energy at 298.15K 
HF Energy-151.432154
Nuclear repulsion energy35.859554
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 mPW1PW91/6-31G(2df,p)
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' 3763 3593 57.66 57.93 0.08 0.16
2 A' 1614 1541 94.59 4.01 0.55 0.71
3 A' 914 873 81.71 5.22 0.39 0.56
4 A' 669 639 118.64 1.77 0.27 0.42
5 A" 3867 3691 168.47 24.96 0.75 0.86
6 A" 860 821 0.23 5.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5843.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 5578.9 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 mPW1PW91/6-31G(2df,p)
ABC
9.83701 0.82061 0.79329

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.060 -0.649 0.000
O2 0.060 0.862 0.000
H3 -0.480 -0.849 0.775
H4 -0.480 -0.849 -0.775

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.51110.96520.9652
O21.51111.95391.9539
H30.96521.95391.5500
H40.96521.95391.5500

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 101.929 O2 O1 H4 101.929
H3 O1 H4 106.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.294      
2 O -0.461      
3 H 0.377      
4 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.995 -4.070 0.000 4.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.241 1.741 0.000
y 1.741 -11.092 0.000
z 0.000 0.000 -9.214
Traceless
 xyz
x -1.088 1.741 0.000
y 1.741 -0.865 0.000
z 0.000 0.000 1.953
Polar
3z2-r23.905
x2-y2-0.149
xy1.741
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.195 0.175 0.000
y 0.175 2.244 0.000
z 0.000 0.000 1.419


<r2> (average value of r2) Å2
<r2> 19.042
(<r2>)1/2 4.364