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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-190.211423
Energy at 298.15K-190.214938
HF Energy-190.211423
Nuclear repulsion energy72.434627
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 B3LYP/SDD
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' 3204 3080 13.66      
2 A' 3072 2953 17.25      
3 A' 1500 1442 15.31      
4 A' 1449 1393 1.25      
5 A' 1178 1132 2.31      
6 A' 1079 1037 13.19      
7 A' 867 833 10.26      
8 A' 453 436 5.21      
9 A" 3191 3067 23.78      
10 A" 1486 1429 16.11      
11 A" 1113 1070 0.02      
12 A" 114 109 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 9352.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8990.5 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 B3LYP/SDD
ABC
1.65735 0.35218 0.30781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.046 -0.472 0.000
O2 0.000 0.586 0.000
O3 -1.268 0.030 0.000
H4 1.995 0.070 0.000
H5 0.936 -1.082 0.901
H6 0.936 -1.082 -0.901

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.48752.36811.09291.09361.0936
O21.48751.38442.06042.11432.1143
O32.36811.38443.26332.62852.6285
H41.09292.06043.26331.80571.8057
H51.09362.11432.62851.80571.8016
H61.09362.11432.62851.80571.8016

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 111.036 O2 C1 H4 104.939
O2 C1 H5 109.041 O2 C1 H6 109.041
H4 C1 H5 111.347 H4 C1 H6 111.347
H5 C1 H6 110.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.429      
2 O -0.123      
3 O -0.144      
4 H 0.226      
5 H 0.235      
6 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.839 -1.545 0.000 3.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.356 -0.534 0.000
y -0.534 -18.156 0.000
z 0.000 0.000 -16.760
Traceless
 xyz
x 0.102 -0.534 0.000
y -0.534 -1.098 0.000
z 0.000 0.000 0.996
Polar
3z2-r21.992
x2-y20.800
xy-0.534
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.245 0.161 0.000
y 0.161 2.243 0.000
z 0.000 0.000 1.981


<r2> (average value of r2) Å2
<r2> 44.105
(<r2>)1/2 6.641