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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-151.532862
Energy at 298.15K-151.535089
HF Energy-151.532862
Nuclear repulsion energy36.347794
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/TZVP
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 3680 3627 6.58 93.12 0.18 0.30
2 A 1406 1386 0.01 10.05 0.63 0.77
3 A 876 863 1.22 14.49 0.26 0.41
4 A 336 331 214.16 3.94 0.75 0.86
5 B 3679 3626 38.63 34.32 0.75 0.86
6 B 1252 1234 94.40 2.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5614.4 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 5533.5 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/TZVP
ABC
9.92090 0.86102 0.82464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.738 -0.052
O2 0.000 -0.738 -0.052
H3 0.836 0.895 0.417
H4 -0.836 -0.895 0.417

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.47570.97191.8940
O21.47571.89400.9719
H30.97191.89402.4503
H41.89400.97192.4503

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 99.326 O2 O1 H3 99.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.283      
2 O -0.283      
3 H 0.283      
4 H 0.283      


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 1.710 1.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.360 3.139 0.000
y 3.139 -11.495 0.000
z 0.000 0.000 -12.038
Traceless
 xyz
x 2.407 3.139 0.000
y 3.139 -0.796 0.000
z 0.000 0.000 -1.611
Polar
3z2-r2-3.222
x2-y22.135
xy3.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.635 0.272 0.000
y 0.272 2.327 0.000
z 0.000 0.000 1.257


<r2> (average value of r2) Å2
<r2> 18.953
(<r2>)1/2 4.354

Conformer 2 (C2h)

Jump to S1C1
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-151.531873
Energy at 298.15K 
HF Energy-151.531873
Nuclear repulsion energy36.213528
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/TZVP
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 3712 3658 0.00      
2 Ag 1484 1463 0.00      
3 Ag 877 864 0.00      
4 Au 250i 247i 301.42      
5 Bu 3718 3664 70.68      
6 Bu 1200 1182 125.98      

Unscaled Zero Point Vibrational Energy (zpe) 5369.8 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 5292.5 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/TZVP
ABC
9.92714 0.87023 0.80009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.743 0.000
O2 0.000 -0.743 0.000
H3 0.961 0.877 0.000
H4 -0.961 -0.877 0.000

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.48580.97071.8838
O21.48581.88380.9707
H30.97071.88382.6027
H41.88380.97072.6027

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 97.943 O2 O1 H3 97.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.286      
2 O -0.286      
3 H 0.286      
4 H 0.286      


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 -8.164 3.582 0.000
y 3.582 -11.596 0.000
z 0.000 0.000 -12.988
Traceless
 xyz
x 4.127 3.582 0.000
y 3.582 -1.020 0.000
z 0.000 0.000 -3.108
Polar
3z2-r2-6.216
x2-y23.431
xy3.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.791 0.285 0.000
y 0.285 2.330 0.000
z 0.000 0.000 1.082


<r2> (average value of r2) Å2
<r2> 19.036
(<r2>)1/2 4.363