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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-150.476281
Energy at 298.15K 
HF Energy-150.476281
Nuclear repulsion energy34.238954
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 HSEh1PBE/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' 3523 3382 36.32 76.05 0.14 0.24
2 A' 1627 1561 97.44 11.29 0.51 0.68
3 A' 859 824 21.42 5.00 0.48 0.65
4 A' 587 564 263.92 3.54 0.46 0.63
5 A" 3657 3510 118.02 35.97 0.75 0.86
6 A" 690 662 1.29 10.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5470.9 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 5251.6 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 HSEh1PBE/3-21G*
ABC
9.20679 0.73808 0.71372

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.061 -0.692 0.000
O2 0.061 0.908 0.000
H3 -0.489 -0.863 0.805
H4 -0.489 -0.863 -0.805

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.60020.98940.9894
O21.60022.02162.0216
H30.98942.02161.6095
H40.98942.02161.6095

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 99.950 O2 O1 H4 99.950
H3 O1 H4 108.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.454      
2 O -0.399      
3 H 0.427      
4 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.484 -3.897 0.000 4.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.929 1.958 0.000
y 1.958 -10.773 0.000
z 0.000 0.000 -8.819
Traceless
 xyz
x -1.133 1.958 0.000
y 1.958 -0.900 0.000
z 0.000 0.000 2.032
Polar
3z2-r24.065
x2-y2-0.156
xy1.958
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.518 0.241 0.000
y 0.241 1.755 0.000
z 0.000 0.000 0.962


<r2> (average value of r2) Å2
<r2> 20.106
(<r2>)1/2 4.484