return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for H2OO (water oxide)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-151.384232
Energy at 298.15K 
HF Energy-151.248327
Nuclear repulsion energy35.251867
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 B2PLYP=FULL/6-311G*
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 3757 56.10 51.87 0.11 0.20
2 A' 1708 1708 111.59 6.15 0.72 0.84
3 A' 920 920 117.07 4.76 0.66 0.80
4 A' 663 663 110.41 5.93 0.16 0.28
5 A" 3865 3865 154.45 23.28 0.75 0.86
6 A" 901 901 2.31 7.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5907.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5907.7 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 B2PLYP=FULL/6-311G*
ABC
9.88681 0.78377 0.75691

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.058 -0.665 0.000
O2 0.058 0.883 0.000
H3 -0.464 -0.875 0.783
H4 -0.464 -0.875 -0.783

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.54760.96390.9639
O21.54761.99361.9936
H30.96391.99361.5650
H40.96391.99361.5650

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 102.588 O2 O1 H4 102.588
H3 O1 H4 108.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability