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

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-190.335378
Energy at 298.15K-190.340099
HF Energy-189.803100
Nuclear repulsion energy80.825737
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3833 3581 32.90      
2 A 3246 3033 17.32      
3 A 3216 3005 41.55      
4 A 3119 2914 31.41      
5 A 1578 1474 7.37      
6 A 1532 1431 3.31      
7 A 1503 1405 3.56      
8 A 1372 1282 58.59      
9 A 1230 1149 6.48      
10 A 1204 1125 3.32      
11 A 1079 1008 21.77      
12 A 871 814 10.45      
13 A 450 421 8.07      
14 A 267 249 5.47      
15 A 166 155 130.18      

Unscaled Zero Point Vibrational Energy (zpe) 12331.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 11522.6 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/6-31G**
ABC
1.40114 0.35194 0.30385

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 -0.231 0.027
O2 -0.011 0.622 -0.032
O3 -1.159 -0.292 -0.091
H4 1.970 0.447 0.023
H5 1.121 -0.829 0.938
H6 1.163 -0.885 -0.842
H7 -1.621 0.010 0.705

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41882.28371.08721.08951.08832.8353
O21.41881.46841.98962.08052.07491.8740
O32.28371.46843.21732.55872.51140.9691
H41.08721.98963.21731.78511.78213.6820
H51.08952.08052.55871.78511.78152.8777
H61.08832.07492.51141.78211.78153.3089
H72.83531.87400.96913.68202.87773.3089

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 104.544 O2 C1 H4 104.335
O2 C1 H5 111.411 O2 C1 H6 111.022
O2 O3 H7 98.416 H4 C1 H5 110.190
H4 C1 H6 110.000 H5 C1 H6 109.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 O -0.316      
3 O -0.341      
4 H 0.124      
5 H 0.104      
6 H 0.121      
7 H 0.348      


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> 46.167
(<r2>)1/2 6.795