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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-190.070806
Energy at 298.15K-190.075291
HF Energy-189.713000
Nuclear repulsion energy77.673491
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 MP2/6-31G
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 3558 3404 15.28      
2 A 3193 3055 14.20      
3 A 3181 3043 35.59      
4 A 3079 2946 18.52      
5 A 1582 1513 7.34      
6 A 1536 1470 5.40      
7 A 1495 1430 0.32      
8 A 1309 1253 55.16      
9 A 1174 1123 0.36      
10 A 1160 1110 21.07      
11 A 967 926 21.84      
12 A 754 721 3.16      
13 A 392 375 22.12      
14 A 227 217 16.34      
15 A 129 123 191.31      

Unscaled Zero Point Vibrational Energy (zpe) 11867.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 11354.7 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 MP2/6-31G
ABC
1.29842 0.32763 0.27559

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 -0.241 0.000
O2 0.007 0.657 -0.000
O3 -1.193 -0.356 -0.000
H4 2.026 0.446 -0.000
H5 1.171 -0.865 0.900
H6 1.171 -0.865 -0.900
H7 -1.912 0.322 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.47202.36871.09521.09501.09503.1359
O21.47201.57072.02992.11712.11711.9481
O32.36871.57073.31722.58052.58020.9885
H41.09522.02993.31721.80501.80503.9398
H51.09502.11712.58051.80501.80033.4241
H61.09502.11712.58021.80501.80033.4242
H73.13591.94810.98853.93983.42413.4242

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 102.194 O2 C1 H4 103.532
O2 C1 H5 110.263 O2 C1 H6 110.262
O2 O3 H7 96.485 H4 C1 H5 110.999
H4 C1 H6 111.000 H5 C1 H6 110.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 O -0.351      
3 O -0.405      
4 H 0.163      
5 H 0.158      
6 H 0.158      
7 H 0.401      


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