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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-151.257177
Energy at 298.15K 
HF Energy-150.780096
Nuclear repulsion energy36.189145
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 MP2/Def2TZVPP
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' 3714 3534 72.36 59.28 0.07 0.13
2 A' 1610 1532 87.40 4.01 0.65 0.79
3 A' 966 919 55.11 8.69 0.36 0.52
4 A' 796 757 123.30 8.01 0.20 0.34
5 A" 3825 3640 199.38 21.09 0.75 0.86
6 A" 938 893 0.00 3.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5924.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 5637.3 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 MP2/Def2TZVPP
ABC
9.75719 0.84284 0.81434

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.061 -0.641 0.000
O2 0.061 0.850 0.000
H3 -0.485 -0.836 0.776
H4 -0.485 -0.836 -0.776

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.49020.96830.9683
O21.49021.93391.9339
H30.96831.93391.5521
H40.96831.93391.5521

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 101.623 O2 O1 H4 101.623
H3 O1 H4 106.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability