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All results from a given calculation for CH3OOH (Methyl peroxide)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-190.345903
Energy at 298.15K-190.350674
HF Energy-189.804513
Nuclear repulsion energy81.074060
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 CCD/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 3871 3629 28.31      
2 A 3224 3023 21.52      
3 A 3196 2997 45.47      
4 A 3110 2916 32.48      
5 A 1576 1478 7.18      
6 A 1534 1438 2.84      
7 A 1511 1417 5.10      
8 A 1411 1323 57.77      
9 A 1244 1166 6.18      
10 A 1208 1132 3.32      
11 A 1105 1036 21.09      
12 A 908 852 12.31      
13 A 460 431 6.73      
14 A 260 243 6.45      
15 A 188 176 128.71      

Unscaled Zero Point Vibrational Energy (zpe) 12402.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 11628.1 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 CCD/6-31G**
ABC
1.42240 0.35234 0.30555

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 -0.228 0.025
O2 -0.018 0.616 -0.027
O3 -1.156 -0.283 -0.095
H4 1.971 0.454 0.029
H5 1.125 -0.834 0.932
H6 1.168 -0.874 -0.851
H7 -1.606 -0.040 0.724

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41902.28251.08871.09111.08972.8229
O21.41901.45261.99612.08052.07481.8755
O32.28251.45263.21562.56202.51450.9663
H41.08871.99613.21561.78631.78413.6775
H51.09112.08052.56201.78631.78392.8521
H61.08972.07482.51451.78411.78393.2976
H72.82291.87550.96633.67752.85213.2976

picture of Methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 105.272 O2 C1 H4 104.731
O2 C1 H5 111.293 O2 C1 H6 110.910
O2 O3 H7 99.712 H4 C1 H5 110.068
H4 C1 H6 109.971 H5 C1 H6 109.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 O -0.369      
3 O -0.371      
4 H 0.127      
5 H 0.108      
6 H 0.127      
7 H 0.369      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 45.919
(<r2>)1/2 6.776