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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-148.734718
Energy at 298.15K 
HF Energy-148.666651
Nuclear repulsion energy34.214717
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/STO-3G
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' 3757 3340 10.57 55.23 0.11 0.20
2 A' 1954 1737 12.00 11.97 0.69 0.81
3 A' 881 783 57.97 5.66 0.69 0.82
4 A' 802 713 120.22 0.76 0.45 0.62
5 A" 4013 3567 2.19 31.11 0.75 0.86
6 A" 925 822 4.91 12.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6165.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 5480.8 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 MP2=FULL/STO-3G
ABC
9.27384 0.74444 0.72441

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.066 -0.668 0.000
O2 0.066 0.906 0.000
H3 -0.526 -0.949 0.779
H4 -0.526 -0.949 -0.779

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.57421.01721.0172
O21.57422.09702.0970
H31.01722.09701.5572
H41.01722.09701.5572

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 106.033 O2 O1 H4 106.033
H3 O1 H4 99.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability