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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-186.898008
Energy at 298.15K-186.901610
HF Energy-186.781506
Nuclear repulsion energy72.782283
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/STO-3G
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' 3544 3150 0.75      
2 A' 3340 2969 2.31      
3 A' 1702 1513 3.54      
4 A' 1609 1430 1.34      
5 A' 1411 1254 37.33      
6 A' 1264 1124 0.51      
7 A' 1074 954 0.28      
8 A' 500 445 1.27      
9 A" 3513 3122 4.52      
10 A" 1686 1498 2.19      
11 A" 1192 1059 2.13      
12 A" 155 138 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 10494.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 9328.2 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/STO-3G
ABC
1.55288 0.36828 0.31606

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.010 -0.478 0.000
O2 0.000 0.614 0.000
O3 -1.237 0.022 0.000
H4 2.002 0.014 0.000
H5 0.915 -1.116 0.904
H6 0.915 -1.116 -0.904

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.48802.30231.10711.11031.1103
O21.48801.37152.09052.15582.1558
O32.30231.37153.23932.59652.5965
H41.10712.09053.23931.80981.8098
H51.11032.15582.59651.80981.8075
H61.11032.15582.59651.80981.8075

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 107.179 O2 C1 H4 106.399
O2 C1 H5 111.302 O2 C1 H6 111.302
H4 C1 H5 109.409 H4 C1 H6 109.409
H5 C1 H6 108.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability