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

using model chemistry: B97D3/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 B97D3/Def2TZVPP
 hartrees
Energy at 0K-151.541841
Energy at 298.15K-151.544104
HF Energy-151.541841
Nuclear repulsion energy36.531387
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/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 3684 3633 7.15 92.71 0.13 0.24
2 A 1404 1385 0.41 7.87 0.49 0.66
3 A 888 875 0.90 12.09 0.24 0.38
4 A 365 360 164.70 4.28 0.75 0.86
5 B 3683 3632 33.79 32.90 0.75 0.86
6 B 1292 1274 95.19 2.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5657.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 5579.6 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 B97D3/Def2TZVPP
ABC
9.97607 0.86697 0.83868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.733 -0.058
O2 0.000 -0.733 -0.058
H3 0.801 0.899 0.464
H4 -0.801 -0.899 0.464

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.46560.97021.8911
O21.46561.89110.9702
H30.97021.89112.4076
H41.89110.97022.4076

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 99.859 O2 O1 H3 99.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.222      
2 O -0.222      
3 H 0.222      
4 H 0.222      


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 1.746 1.746
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.652 2.863 0.000
y 2.863 -11.316 0.000
z 0.000 0.000 -11.749
Traceless
 xyz
x 1.881 2.863 0.000
y 2.863 -0.616 0.000
z 0.000 0.000 -1.265
Polar
3z2-r2-2.530
x2-y21.664
xy2.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.765 0.266 0.000
y 0.266 2.481 0.000
z 0.000 0.000 1.482


<r2> (average value of r2) Å2
<r2> 18.787
(<r2>)1/2 4.334

Conformer 2 (C2h)

Jump to S1C1
Energy calculated at B97D3/Def2TZVPP
 hartrees
Energy at 0K-151.540334
Energy at 298.15K 
HF Energy-151.540334
Nuclear repulsion energy36.371762
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/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 3723 3672 0.00      
2 Ag 1500 1479 0.00      
3 Ag 890 878 0.00      
4 Au 280i 276i 253.27      
5 Bu 3731 3680 71.34      
6 Bu 1217 1201 127.39      

Unscaled Zero Point Vibrational Energy (zpe) 5390.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 5316.8 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/Def2TZVPP
ABC
9.98877 0.87906 0.80796

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.739 0.000
O2 0.000 -0.739 0.000
H3 0.959 0.876 0.000
H4 -0.959 -0.876 0.000

Atom - Atom Distances (Å)
  O1 O2 H3 H4
O11.47780.96851.8779
O21.47781.87790.9685
H30.96851.87792.5972
H41.87790.96852.5972

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 98.127 O2 O1 H3 98.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.223      
2 O -0.223      
3 H 0.223      
4 H 0.223      


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 -8.212 3.375 0.000
y 3.375 -11.442 0.000
z 0.000 0.000 -12.911
Traceless
 xyz
x 3.965 3.375 0.000
y 3.375 -0.881 0.000
z 0.000 0.000 -3.084
Polar
3z2-r2-6.168
x2-y23.231
xy3.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.948 0.276 0.000
y 0.276 2.458 0.000
z 0.000 0.000 1.282


<r2> (average value of r2) Å2
<r2> 18.888
(<r2>)1/2 4.346