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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-190.105707
Energy at 298.15K-190.110135
HF Energy-189.760848
Nuclear repulsion energy77.442519
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/LANL2DZ
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 3573 3441 13.78      
2 A 3179 3062 21.16      
3 A 3165 3049 46.75      
4 A 3042 2930 32.19      
5 A 1548 1491 9.02      
6 A 1502 1447 7.11      
7 A 1468 1414 0.26      
8 A 1303 1255 56.98      
9 A 1150 1108 0.07      
10 A 1147 1105 18.31      
11 A 962 927 25.00      
12 A 763 734 5.13      
13 A 387 373 22.67      
14 A 223 215 23.54      
15 A 109 105 196.67      

Unscaled Zero Point Vibrational Energy (zpe) 11760.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11326.5 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/LANL2DZ
ABC
1.30035 0.32484 0.27391

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.183 -0.239 0.000
O2 -0.002 0.655 -0.000
O3 -1.193 -0.357 -0.000
H4 2.030 0.464 -0.000
H5 1.184 -0.863 0.907
H6 1.183 -0.863 -0.907
H7 -1.932 0.308 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.48482.37861.10081.10081.10083.1621
O21.48481.56242.04132.12942.12941.9602
O32.37861.56243.32562.59352.59330.9935
H41.10082.04133.32561.81661.81663.9646
H51.10082.12942.59351.81661.81343.4491
H61.10082.12942.59331.81661.81343.4493
H73.16211.96020.99353.96463.44913.4493

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 102.601 O2 C1 H4 103.274
O2 C1 H5 110.000 O2 C1 H6 109.999
O2 O3 H7 97.668 H4 C1 H5 111.204
H4 C1 H6 111.207 H5 C1 H6 110.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 O -0.267      
3 O -0.391      
4 H 0.190      
5 H 0.197      
6 H 0.197      
7 H 0.388      


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