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All results from a given calculation for H2O2 (Hydrogen peroxide)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
1 2 no C2h 1Ag

Conformer 1 (C2)

Jump to S1C2
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-151.454270
Energy at 298.15K-151.456507
HF Energy-151.454270
Nuclear repulsion energy36.362244
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 B97D3/6-31G*
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 3612 3541 3.02 93.48 0.19 0.32
2 A 1433 1405 0.55 11.15 0.61 0.76
3 A 893 876 1.76 9.92 0.27 0.42
4 A 344 338 191.02 7.78 0.75 0.86
5 B 3614 3544 20.07 39.12 0.75 0.86
6 B 1299 1274 101.47 2.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5598.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 5488.5 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 B97D3/6-31G*
ABC
9.75420 0.86420 0.83041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.736 -0.055
O2 0.000 -0.736 -0.055
H3 0.829 0.888 0.441
H4 -0.829 -0.888 0.441

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.47180.97841.8901
O21.47181.89010.9784
H30.97841.89012.4306
H41.89010.97842.4306

picture of Hydrogen peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 H4 98.974 O2 O1 H3 98.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.410      
2 O -0.410      
3 H 0.410      
4 H 0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.760 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.158 2.935 0.000
y 2.935 -11.031 0.000
z 0.000 0.000 -11.519
Traceless
 xyz
x 2.117 2.935 0.000
y 2.935 -0.692 0.000
z 0.000 0.000 -1.425
Polar
3z2-r2-2.850
x2-y21.873
xy2.935
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.433 0.328 0.000
y 0.328 2.062 0.000
z 0.000 0.000 0.946


<r2> (average value of r2) Å2
<r2> 18.658
(<r2>)1/2 4.319

Conformer 2 (C2h)

Jump to S1C1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-151.453138
Energy at 298.15K 
HF Energy-151.453138
Nuclear repulsion energy36.194381
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3651 3579 0.00      
2 Ag 1530 1500 0.00      
3 Ag 899 881 0.00      
4 Au 252i 247i 287.61      
5 Bu 3664 3592 47.53      
6 Bu 1237 1213 134.75      

Unscaled Zero Point Vibrational Energy (zpe) 5364.5 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 5259.4 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 B97D3/6-31G*
ABC
9.75224 0.87378 0.80193

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.742 0.000
O2 0.000 -0.742 0.000
H3 0.969 0.866 0.000
H4 -0.969 -0.866 0.000

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.48410.97701.8777
O21.48411.87770.9770
H30.97701.87772.5996
H41.87770.97702.5996

picture of Hydrogen peroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 H4 97.298 O2 O1 H3 97.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.415      
2 O -0.415      
3 H 0.415      
4 H 0.415      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.865 3.394 0.000
y 3.394 -11.150 0.000
z 0.000 0.000 -12.542
Traceless
 xyz
x 3.981 3.394 0.000
y 3.394 -0.946 0.000
z 0.000 0.000 -3.034
Polar
3z2-r2-6.069
x2-y23.285
xy3.394
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.667 0.340 0.000
y 0.340 2.065 0.000
z 0.000 0.000 0.693


<r2> (average value of r2) Å2
<r2> 18.760
(<r2>)1/2 4.331