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

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 CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-32.353269
Energy at 298.15K 
HF Energy-32.353269
Nuclear repulsion energy21.237436
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
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' 4057 3657 62.63 96.71 0.13 0.23
2 A' 1722 1552 115.35 6.90 0.71 0.83
3 A' 577 520 494.02 3.65 0.22 0.36
4 A' 503 454 53.39 0.11 0.33 0.49
5 A" 4225 3809 201.56 40.13 0.75 0.86
6 A" 758 683 36.00 8.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5921.2 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 5337.3 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 HF/CEP-31G
ABC
11.05754 0.66553 0.63813

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.040 -0.702 0.000
O2 0.040 0.969 0.000
H3 -0.320 -1.068 0.805
H4 -0.320 -1.068 -0.805

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.67160.95470.9547
O21.67162.22012.2201
H30.95472.22011.6099
H40.95472.22011.6099

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 112.542 O2 O1 H4 112.542
H3 O1 H4 114.959
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 -0.649      
2 O -0.221      
3 H 0.435      
4 H 0.435      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.915 -3.788 0.000 4.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.550 1.921 0.000
y 1.921 -9.596 0.000
z 0.000 0.000 -9.326
Traceless
 xyz
x -3.090 1.921 0.000
y 1.921 1.342 0.000
z 0.000 0.000 1.747
Polar
3z2-r23.495
x2-y2-2.955
xy1.921
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.427 0.199 0.000
y 0.199 2.215 0.000
z 0.000 0.000 1.053


<r2> (average value of r2) Å2
<r2> 18.951
(<r2>)1/2 4.353