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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-151.560838
Energy at 298.15K-151.563166
HF Energy-151.560838
Nuclear repulsion energy37.301108
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/cc-pVTZ
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 3848 3679 14.07 73.37 0.14 0.25
2 A 1473 1408 0.39 5.51 0.54 0.70
3 A 1020 975 0.87 13.97 0.24 0.38
4 A 392 374 171.04 5.46 0.75 0.86
5 B 3847 3677 50.11 30.33 0.75 0.86
6 B 1362 1302 103.12 1.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5970.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 5707.9 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/cc-pVTZ
ABC
10.27018 0.90870 0.88077

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.713 -0.059
O2 0.000 -0.713 -0.059
H3 0.783 0.898 0.468
H4 -0.783 -0.898 0.468

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.42680.96131.8673
O21.42681.86730.9613
H30.96131.86732.3823
H41.86730.96132.3823

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 101.074 O2 O1 H3 101.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.221      
2 O -0.221      
3 H 0.221      
4 H 0.221      


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 1.823 1.823
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.527 2.882 0.000
y 2.882 -11.149 0.000
z 0.000 0.000 -11.483
Traceless
 xyz
x 1.789 2.882 0.000
y 2.882 -0.645 0.000
z 0.000 0.000 -1.145
Polar
3z2-r2-2.289
x2-y21.623
xy2.882
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.594 0.271 0.000
y 0.271 2.297 0.000
z 0.000 0.000 1.313


<r2> (average value of r2) Å2
<r2> 18.169
(<r2>)1/2 4.263

Conformer 2 (C2h)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-151.559050
Energy at 298.15K 
HF Energy-151.559050
Nuclear repulsion energy37.155526
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/cc-pVTZ
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 3880 3709 0.00      
2 Ag 1562 1493 0.00      
3 Ag 1029 984 0.00      
4 Au 303i 290i 272.42      
5 Bu 3887 3716 100.99      
6 Bu 1265 1210 134.13      

Unscaled Zero Point Vibrational Energy (zpe) 5659.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 5410.9 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/cc-pVTZ
ABC
10.28874 0.92444 0.84823

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.725 0.000
O2 0.000 -0.725 0.000
H3 0.948 0.878 0.000
H4 -0.948 -0.878 0.000

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.45090.96001.8627
O21.45091.86270.9600
H30.96001.86272.5841
H41.86270.96002.5841

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 99.156 O2 O1 H3 99.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.217      
2 O -0.217      
3 H 0.217      
4 H 0.217      


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 -8.033 3.431 0.000
y 3.431 -11.286 0.000
z 0.000 0.000 -12.674
Traceless
 xyz
x 3.947 3.431 0.000
y 3.431 -0.933 0.000
z 0.000 0.000 -3.014
Polar
3z2-r2-6.028
x2-y23.253
xy3.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.806 0.285 0.000
y 0.285 2.289 0.000
z 0.000 0.000 1.081


<r2> (average value of r2) Å2
<r2> 18.249
(<r2>)1/2 4.272