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

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-190.351379
Energy at 298.15K-190.356133
HF Energy-189.803686
Nuclear repulsion energy80.829126
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 QCISD/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 3843 3618 26.18      
2 A 3210 3022 22.62      
3 A 3181 2994 48.15      
4 A 3096 2915 35.52      
5 A 1572 1480 7.54      
6 A 1528 1438 2.61      
7 A 1502 1414 5.94      
8 A 1391 1310 53.43      
9 A 1234 1162 5.61      
10 A 1202 1131 3.30      
11 A 1081 1018 22.05      
12 A 880 829 11.87      
13 A 454 427 6.44      
14 A 261 245 6.53      
15 A 189 177 126.32      

Unscaled Zero Point Vibrational Energy (zpe) 12310.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 11589.3 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 QCISD/6-31G**
ABC
1.40906 0.35055 0.30372

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 -0.230 0.024
O2 -0.015 0.620 -0.027
O3 -1.161 -0.284 -0.096
H4 1.975 0.450 0.030
H5 1.124 -0.839 0.931
H6 1.168 -0.876 -0.853
H7 -1.603 -0.043 0.730

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.42212.28911.08951.09191.09042.8231
O21.42211.46121.99752.08392.07821.8802
O32.28911.46123.22322.56662.52000.9677
H41.08951.99753.22321.78811.78573.6789
H51.09192.08392.56661.78811.78522.8480
H61.09042.07822.52001.78571.78523.2986
H72.82311.88020.96773.67892.84803.2986

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 105.099 O2 C1 H4 104.596
O2 C1 H5 111.304 O2 C1 H6 110.927
O2 O3 H7 99.437 H4 C1 H5 110.116
H4 C1 H6 110.011 H5 C1 H6 109.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at QCISD/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.009      
2 O -0.370      
3 O -0.372      
4 H 0.127      
5 H 0.109      
6 H 0.128      
7 H 0.369      


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> 46.106
(<r2>)1/2 6.790