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

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-190.433035
Energy at 298.15K-190.437761
HF Energy-189.841652
Nuclear repulsion energy81.344750
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 MP2=FULL/6-311G*
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 3812 3610 31.27      
2 A 3200 3031 16.91      
3 A 3165 2997 44.04      
4 A 3075 2912 33.17      
5 A 1559 1477 8.35      
6 A 1509 1429 7.23      
7 A 1497 1418 0.37      
8 A 1432 1356 58.63      
9 A 1234 1169 6.05      
10 A 1209 1145 2.26      
11 A 1092 1034 24.03      
12 A 885 838 11.88      
13 A 459 434 10.23      
14 A 275 260 4.71      
15 A 151 143 160.55      

Unscaled Zero Point Vibrational Energy (zpe) 12276.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 11627.1 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 MP2=FULL/6-311G*
ABC
1.44031 0.35583 0.30721

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.120 -0.222 0.029
O2 -0.018 0.610 -0.036
O3 -1.143 -0.300 -0.079
H4 1.964 0.468 0.013
H5 1.126 -0.810 0.950
H6 1.165 -0.887 -0.836
H7 -1.689 0.079 0.619

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41172.26651.09041.09301.09222.8856
O21.41171.44721.98832.07372.06891.8714
O32.26651.44723.20172.54282.49820.9637
H41.09041.98833.20171.79281.78803.7232
H51.09302.07372.54281.79281.78882.9701
H61.09222.06892.49821.78801.78883.3453
H72.88561.87140.96373.72322.97013.3453

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 104.890 O2 C1 H4 104.512
O2 C1 H5 111.140 O2 C1 H6 110.793
O2 O3 H7 99.890 H4 C1 H5 110.389
H4 C1 H6 110.009 H5 C1 H6 109.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.392      
2 O -0.235      
3 O -0.423      
4 H 0.219      
5 H 0.198      
6 H 0.215      
7 H 0.417      


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> 0.000
(<r2>)1/2 0.000