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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-190.542869
Energy at 298.15K-190.547627
HF Energy-189.876200
Nuclear repulsion energy81.289930
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/cc-pVTZ
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 3804 3612 42.58      
2 A 3182 3021 13.50      
3 A 3153 2993 34.98      
4 A 3064 2909 32.37      
5 A 1533 1456 8.49      
6 A 1487 1412 5.96      
7 A 1464 1390 1.22      
8 A 1372 1303 55.79      
9 A 1218 1157 6.69      
10 A 1187 1127 2.71      
11 A 1075 1020 19.38      
12 A 886 841 13.08      
13 A 451 429 6.65      
14 A 265 251 5.07      
15 A 183 174 113.41      

Unscaled Zero Point Vibrational Energy (zpe) 12162.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 11548.2 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/cc-pVTZ
ABC
1.42096 0.35526 0.30785

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.115 -0.229 0.024
O2 -0.016 0.616 -0.026
O3 -1.154 -0.282 -0.097
H4 1.967 0.449 0.025
H5 1.121 -0.834 0.931
H6 1.159 -0.875 -0.851
H7 -1.584 -0.048 0.736

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41292.27281.08781.09001.08882.7974
O21.41291.45111.99022.07632.07011.8658
O32.27281.45113.20682.55602.50380.9658
H41.08781.99023.20681.78331.78113.6548
H51.09002.07632.55601.78331.78232.8232
H61.08882.07012.50381.78111.78233.2749
H72.79741.86580.96583.65482.82323.2749

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 105.031 O2 C1 H4 104.724
O2 C1 H5 111.453 O2 C1 H6 111.010
O2 O3 H7 99.085 H4 C1 H5 109.947
H4 C1 H6 109.825 H5 C1 H6 109.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 O -0.182      
3 O -0.242      
4 H 0.111      
5 H 0.080      
6 H 0.097      
7 H 0.247      


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