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

using model chemistry: MP2=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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-189.692319
Energy at 298.15K-189.695972
HF Energy-189.206299
Nuclear repulsion energy75.108080
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3290 3074 7.60      
2 A' 3158 2951 17.81      
3 A' 1554 1452 9.60      
4 A' 1501 1402 0.21      
5 A' 1275 1191 101.37      
6 A' 1220 1140 0.63      
7 A' 968 905 16.80      
8 A' 506 472 6.75      
9 A" 3280 3064 12.95      
10 A" 1542 1441 5.43      
11 A" 1170 1093 0.95      
12 A" 133 124 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 9797.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9154.3 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 MP2=FULL/6-31G**
ABC
1.73584 0.38295 0.33370

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.993 -0.482 0.000
O2 0.000 0.573 0.000
O3 -1.206 0.056 0.000
H4 1.949 0.029 0.000
H5 0.870 -1.085 0.893
H6 0.870 -1.085 -0.893

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.44852.26361.08401.08461.0846
O21.44851.31172.02382.07412.0741
O32.26361.31173.15512.53132.5313
H41.08402.02383.15511.78961.7896
H51.08462.07412.53131.78961.7863
H61.08462.07412.53131.78961.7863

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 110.084 O2 C1 H4 105.177
O2 C1 H5 109.079 O2 C1 H6 109.079
H4 C1 H5 111.222 H4 C1 H6 111.222
H5 C1 H6 110.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability