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

using model chemistry: MP2/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-190.340251
Energy at 298.15K-190.344991
HF Energy-189.812784
Nuclear repulsion energy80.875877
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-pVDZ
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 3791 3611 42.00      
2 A 3198 3046 16.62      
3 A 3159 3009 46.26      
4 A 3065 2920 35.99      
5 A 1518 1446 9.38      
6 A 1467 1398 5.00      
7 A 1454 1384 2.77      
8 A 1367 1302 52.75      
9 A 1212 1154 8.34      
10 A 1179 1123 3.19      
11 A 1078 1026 20.79      
12 A 864 823 10.09      
13 A 454 432 6.86      
14 A 273 260 4.82      
15 A 171 163 118.95      

Unscaled Zero Point Vibrational Energy (zpe) 12124.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 11548.4 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/cc-pVDZ
ABC
1.40609 0.35240 0.30524

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.118 -0.227 0.026
O2 -0.015 0.618 -0.030
O3 -1.158 -0.287 -0.094
H4 1.979 0.460 0.030
H5 1.125 -0.842 0.943
H6 1.173 -0.887 -0.857
H7 -1.602 -0.016 0.727

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.41492.27951.10141.10481.10342.8164
O21.41491.45822.00112.09292.08811.8684
O32.27951.45823.22622.56822.52470.9720
H41.10142.00113.22621.80551.80263.6783
H51.10482.09292.56821.80551.80202.8571
H61.10342.08812.52471.80261.80203.3115
H72.81641.86840.97203.67832.85713.3115

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 104.995 O2 C1 H4 104.675
O2 C1 H5 111.731 O2 C1 H6 111.430
O2 O3 H7 98.512 H4 C1 H5 109.839
H4 C1 H6 109.684 H5 C1 H6 109.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 O -0.243      
3 O -0.170      
4 H 0.049      
5 H 0.025      
6 H 0.042      
7 H 0.185      


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