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

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-150.460384
Energy at 298.15K 
HF Energy-150.460384
Nuclear repulsion energy33.359226
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 PBEPBEultrafine/3-21G
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' 2931 2905 6.71 76.22 0.14 0.24
2 A' 1485 1472 72.49 17.18 0.42 0.59
3 A' 790 782 1.68 4.75 0.48 0.65
4 A' 427 423 383.23 4.98 0.74 0.85
5 A" 2886 2860 35.83 42.99 0.75 0.86
6 A" 1048i 1039i 76.93 0.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3735.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3701.7 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 PBEPBEultrafine/3-21G
ABC
9.42660 0.68530 0.66669

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.060 -0.816 0.000
O2 0.060 0.907 0.000
H3 -0.482 -0.363 0.784
H4 -0.482 -0.363 -0.784

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.72231.05501.0550
O21.72231.58791.5879
H31.05501.58791.5672
H41.05501.58791.5672

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 64.612 O2 O1 H4 64.612
H3 O1 H4 95.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.399      
2 O -0.355      
3 H 0.377      
4 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.991 -1.457 0.000 2.467
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.203 0.688 0.000
y 0.688 -13.096 0.000
z 0.000 0.000 -9.592
Traceless
 xyz
x 0.141 0.688 0.000
y 0.688 -2.699 0.000
z 0.000 0.000 2.557
Polar
3z2-r25.115
x2-y21.893
xy0.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.691 0.121 0.000
y 0.121 2.259 0.000
z 0.000 0.000 1.264


<r2> (average value of r2) Å2
<r2> 20.970
(<r2>)1/2 4.579