return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULLultrafine/cc-pVTZ

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=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-151.442944
Energy at 298.15K 
HF Energy-151.279688
Nuclear repulsion energy35.458946
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=FULLultrafine/cc-pVTZ
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' 3732 3566 68.26 52.93 0.07 0.13
2 A' 1611 1539 92.29 4.50 0.67 0.80
3 A' 889 850 78.87 4.76 0.51 0.68
4 A' 683 652 119.07 5.42 0.13 0.22
5 A" 3834 3663 189.28 18.52 0.75 0.86
6 A" 852 814 0.07 3.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5800.3 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 5541.6 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=FULLultrafine/cc-pVTZ
ABC
9.72062 0.79695 0.77159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.061 -0.663 0.000
O2 0.061 0.874 0.000
H3 -0.486 -0.842 0.776
H4 -0.486 -0.842 -0.776

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.53660.96650.9665
O21.53661.96121.9612
H30.96651.96121.5526
H40.96651.96121.5526

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 100.693 O2 O1 H4 100.693
H3 O1 H4 106.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.039      
2 O -0.478      
3 H 0.259      
4 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.044 -4.082 0.000 4.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.688 1.720 0.002
y 1.720 -11.641 0.002
z 0.002 0.002 -9.616
Traceless
 xyz
x -1.060 1.720 0.002
y 1.720 -0.989 0.002
z 0.002 0.002 2.049
Polar
3z2-r24.098
x2-y2-0.048
xy1.720
xz0.002
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.213 0.172 -0.001
y 0.172 2.492 -0.001
z -0.001 -0.001 1.438


<r2> (average value of r2) Å2
<r2> 19.637
(<r2>)1/2 4.431