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

using model chemistry: wB97X-D/Def2TZVPP

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 wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-151.570376
Energy at 298.15K-151.572697
HF Energy-151.570376
Nuclear repulsion energy37.344950
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 wB97X-D/Def2TZVPP
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 3860 3687 14.41 82.37 0.13 0.24
2 A 1476 1410 0.25 5.93 0.53 0.69
3 A 1020 974 0.76 14.90 0.24 0.39
4 A 387 370 178.84 3.66 0.75 0.86
5 B 3859 3686 54.31 29.66 0.75 0.86
6 B 1363 1302 101.51 1.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5982.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 5714.5 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 wB97X-D/Def2TZVPP
ABC
10.30398 0.91145 0.88251

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.712 -0.058
O2 0.000 -0.712 -0.058
H3 0.785 0.899 0.463
H4 -0.785 -0.899 0.463

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.42450.96071.8669
O21.42451.86690.9607
H30.96071.86692.3878
H41.86690.96072.3878

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 101.238 O2 O1 H3 101.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.202      
2 O -0.202      
3 H 0.202      
4 H 0.202      


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 1.821 1.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.603 2.948 0.000
y 2.948 -11.289 0.000
z 0.000 0.000 -11.641
Traceless
 xyz
x 1.861 2.948 0.000
y 2.948 -0.667 0.000
z 0.000 0.000 -1.195
Polar
3z2-r2-2.389
x2-y21.686
xy2.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.667 0.253 0.000
y 0.253 2.363 0.000
z 0.000 0.000 1.422


<r2> (average value of r2) Å2
<r2> 18.224
(<r2>)1/2 4.269

Conformer 2 (C2h)

Jump to S1C1
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-151.568656
Energy at 298.15K 
HF Energy-151.568656
Nuclear repulsion energy 
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 wB97X-D/Def2TZVPP
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 3890 3715 0.00      
2 Ag 1563 1493 0.00      
3 Ag 1026 980 0.00      
4 Au 306i 292i 275.68      
5 Bu 3897 3723 105.53      
6 Bu 1268 1211 133.12      

Unscaled Zero Point Vibrational Energy (zpe) 5668.8 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 5414.9 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 wB97X-D/Def2TZVPP
ABC
10.32405 0.92674 0.85040

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.718 0.000
O2 0.000 -0.718 0.000
H3 0.946 0.877 0.000
H4 -0.946 -0.877 0.000

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.43510.95921.8539
O21.43511.85390.9592
H30.95921.85392.5796
H41.85390.95922.5796

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 99.562 O2 O1 H3 99.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.202      
2 O -0.202      
3 H 0.202      
4 H 0.202      


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 -8.125 3.498 0.000
y 3.498 -11.420 0.000
z 0.000 0.000 -12.827
Traceless
 xyz
x 3.999 3.498 0.000
y 3.498 -0.944 0.000
z 0.000 0.000 -3.055
Polar
3z2-r2-6.109
x2-y23.295
xy3.498
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.839 0.267 0.000
y 0.267 2.347 0.000
z 0.000 0.000 1.237


<r2> (average value of r2) Å2
<r2> 18.304
(<r2>)1/2 4.278