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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-190.414001
Energy at 298.15K-190.418754
HF Energy-189.853023
Nuclear repulsion energy81.263389
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 MP2/6-311G**
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 3854 3662 41.78      
2 A 3188 3029 17.27      
3 A 3151 2995 44.29      
4 A 3065 2913 34.12      
5 A 1541 1464 8.60      
6 A 1487 1413 5.74      
7 A 1482 1408 1.27      
8 A 1381 1312 54.15      
9 A 1226 1165 6.94      
10 A 1200 1140 3.24      
11 A 1085 1031 20.77      
12 A 880 836 11.68      
13 A 457 434 7.24      
14 A 271 257 4.69      
15 A 172 163 131.13      

Unscaled Zero Point Vibrational Energy (zpe) 12219.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 11610.8 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 MP2/6-311G**
ABC
1.43224 0.35430 0.30709

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.119 -0.225 0.027
O2 -0.018 0.612 -0.032
O3 -1.151 -0.289 -0.090
H4 1.967 0.464 0.029
H5 1.123 -0.829 0.940
H6 1.172 -0.878 -0.849
H7 -1.621 0.008 0.698

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41322.27441.09211.09491.09382.8304
O21.41321.44821.99152.07892.07451.8613
O32.27441.44823.20982.55422.51410.9636
H41.09211.99153.20981.79291.78973.6777
H51.09492.07892.55421.79291.79022.8783
H61.09382.07452.51411.78971.79023.3129
H72.83041.86130.96363.67772.87833.3129

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 105.278 O2 C1 H4 104.563
O2 C1 H5 111.333 O2 C1 H6 111.038
O2 O3 H7 99.043 H4 C1 H5 110.130
H4 C1 H6 109.919 H5 C1 H6 109.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability