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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-190.377282
Energy at 298.15K-190.382005
HF Energy-189.841489
Nuclear repulsion energy81.283223
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 3809 3620 30.87      
2 A 3197 3038 17.25      
3 A 3162 3005 44.47      
4 A 3072 2920 33.23      
5 A 1558 1481 8.29      
6 A 1508 1433 7.04      
7 A 1496 1422 0.42      
8 A 1430 1359 58.46      
9 A 1233 1172 6.12      
10 A 1207 1147 2.30      
11 A 1089 1035 23.95      
12 A 884 840 11.86      
13 A 457 435 10.22      
14 A 274 260 4.65      
15 A 151 144 160.13      

Unscaled Zero Point Vibrational Energy (zpe) 12263.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11654.4 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
1.43768 0.35531 0.30672

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 -0.221 0.024
O2 -0.025 0.604 -0.024
O3 -1.145 -0.277 -0.096
H4 1.958 0.475 0.034
H5 1.129 -0.837 0.929
H6 1.177 -0.863 -0.859
H7 -1.617 -0.063 0.715

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41112.26711.09051.09501.09342.8257
O21.41111.42611.98882.07822.07231.8773
O32.26711.42613.19542.55682.51290.9627
H41.09051.98883.19541.79131.78843.6790
H51.09502.07822.55681.79131.78892.8613
H61.09342.07232.51291.78841.78893.3048
H72.82571.87730.96273.67902.86133.3048

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 106.079 O2 C1 H4 104.582
O2 C1 H5 111.422 O2 C1 H6 111.036
O2 O3 H7 101.847 H4 C1 H5 110.096
H4 C1 H6 109.947 H5 C1 H6 109.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability