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All results from a given calculation for CH3OO (methylperoxy radical)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-189.684114
Energy at 298.15K-189.687804
HF Energy-189.201528
Nuclear repulsion energy75.098491
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 MP3=FULL/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' 3243 3043 8.85      
2 A' 3132 2939 16.34      
3 A' 1549 1454 10.54      
4 A' 1508 1415 0.02      
5 A' 1246 1169 38.97      
6 A' 1223 1147 49.27      
7 A' 996 934 17.92      
8 A' 514 482 6.38      
9 A" 3234 3034 15.20      
10 A" 1537 1442 6.47      
11 A" 1185 1112 0.77      
12 A" 152 143 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 9759.5 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 9157.3 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 MP3=FULL/6-31G*
ABC
1.73286 0.38358 0.33429

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.990 -0.473 0.000
O2 0.000 0.567 0.000
O3 -1.207 0.055 0.000
H4 1.953 0.040 0.000
H5 0.881 -1.086 0.897
H6 0.881 -1.086 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43592.26011.09091.09171.0917
O21.43591.31122.02272.07612.0761
O32.26011.31123.16022.54242.5424
H41.09092.02273.16021.79501.7950
H51.09172.07612.54241.79501.7939
H61.09172.07612.54241.79501.7939

picture of methylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 110.630 O2 C1 H4 105.539
O2 C1 H5 109.690 O2 C1 H6 109.690
H4 C1 H5 110.657 H4 C1 H6 110.657
H5 C1 H6 110.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability