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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-151.439812
Energy at 298.15K 
HF Energy-151.439812
Nuclear repulsion energy35.749712
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 mPW1PW91/6-31+G**
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' 3754 3573 72.73 71.93 0.07 0.13
2 A' 1615 1537 109.69 2.99 0.75 0.86
3 A' 926 882 103.17 5.51 0.32 0.49
4 A' 714 679 107.64 3.67 0.26 0.41
5 A" 3870 3683 198.74 26.75 0.75 0.86
6 A" 910 866 2.54 6.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5893.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 5609.8 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 mPW1PW91/6-31+G**
ABC
9.86254 0.81625 0.78723

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.058 -0.648 0.000
O2 0.058 0.865 0.000
H3 -0.466 -0.870 0.783
H4 -0.466 -0.870 -0.783

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.51330.96830.9683
O21.51331.97481.9748
H30.96831.97481.5657
H40.96831.97481.5657

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 103.265 O2 O1 H4 103.265
H3 O1 H4 107.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.384      
2 O -0.497      
3 H 0.440      
4 H 0.440      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.125 -4.586 0.000 5.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.257 1.880 0.000
y 1.880 -11.866 0.000
z 0.000 0.000 -9.892
Traceless
 xyz
x -1.378 1.880 0.000
y 1.880 -0.792 0.000
z 0.000 0.000 2.169
Polar
3z2-r24.339
x2-y2-0.391
xy1.880
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.469 0.129 0.000
y 0.129 2.516 0.000
z 0.000 0.000 1.626


<r2> (average value of r2) Å2
<r2> 19.660
(<r2>)1/2 4.434