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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-151.171625
Energy at 298.15K 
HF Energy-150.718416
Nuclear repulsion energy36.140941
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=FULL/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' 3738 3513 74.41 49.53 0.09 0.17
2 A' 1636 1538 95.70 3.47 0.60 0.75
3 A' 964 906 80.39 6.07 0.39 0.56
4 A' 764 718 114.34 6.57 0.23 0.38
5 A" 3857 3625 186.55 22.17 0.75 0.86
6 A" 938 881 0.05 4.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5948.2 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 5590.7 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=FULL/6-31G(2df,p)
ABC
9.76068 0.83906 0.81143

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.061 -0.643 0.000
O2 0.061 0.851 0.000
H3 -0.488 -0.834 0.773
H4 -0.488 -0.834 -0.773

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.49410.96750.9675
O21.49411.93341.9334
H30.96751.93341.5468
H40.96751.93341.5468

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 101.370 O2 O1 H4 101.370
H3 O1 H4 106.149
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