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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-148.668899
Energy at 298.15K 
HF Energy-148.668899
Nuclear repulsion energy34.143538
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 HF/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' 4146 3385 2.90 62.45 0.12 0.22
2 A' 2057 1679 21.56 11.73 0.69 0.82
3 A' 807 659 196.24 4.32 0.74 0.85
4 A' 732 598 67.23 0.18 0.38 0.55
5 A" 4392 3586 1.11 32.04 0.75 0.86
6 A" 887 724 8.98 11.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6510.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 5315.7 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 HF/STO-3G
ABC
10.08747 0.72768 0.70493

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.058 -0.671 0.000
O2 0.058 0.921 0.000
H3 -0.464 -0.997 0.775
H4 -0.464 -0.997 -0.775

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.59170.98960.9896
O21.59172.13342.1334
H30.98962.13341.5493
H40.98962.13341.5493

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 109.252 O2 O1 H4 109.252
H3 O1 H4 103.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.241      
2 O -0.253      
3 H 0.247      
4 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.785 -3.170 0.000 3.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.869 1.641 0.000
y 1.641 -8.762 0.000
z 0.000 0.000 -8.532
Traceless
 xyz
x -1.222 1.641 0.000
y 1.641 0.439 0.000
z 0.000 0.000 0.783
Polar
3z2-r21.566
x2-y2-1.107
xy1.641
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.265 0.285 0.000
y 0.285 1.121 0.000
z 0.000 0.000 0.794


<r2> (average value of r2) Å2
<r2> 19.713
(<r2>)1/2 4.440