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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-190.025114
Energy at 298.15K-190.028666
HF Energy-190.025114
Nuclear repulsion energy74.434455
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 PBEPBE/6-31G(2df,p)
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' 3097 3065 8.86      
2 A' 2981 2950 11.63      
3 A' 1427 1413 6.55      
4 A' 1379 1364 1.16      
5 A' 1175 1162 3.99      
6 A' 1115 1104 0.88      
7 A' 867 858 4.26      
8 A' 476 471 6.41      
9 A" 3082 3050 10.87      
10 A" 1415 1400 7.56      
11 A" 1074 1063 0.18      
12 A" 125 124 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9106.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 9012.3 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 PBEPBE/6-31G(2df,p)
ABC
1.72024 0.37508 0.32763

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.003 -0.481 0.000
O2 0.000 0.573 0.000
O3 -1.219 0.058 0.000
H4 1.976 0.031 0.000
H5 0.877 -1.097 0.903
H6 0.877 -1.097 -0.903

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.45572.28641.09971.10031.1003
O21.45571.32332.04932.09182.0918
O32.28641.32333.19502.55812.5581
H41.09972.04933.19501.81531.8153
H51.10032.09182.55811.81531.8070
H61.10032.09182.55811.81531.8070

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 110.636 O2 C1 H4 105.790
O2 C1 H5 109.057 O2 C1 H6 109.057
H4 C1 H5 111.202 H4 C1 H6 111.202
H5 C1 H6 110.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.247      
2 O -0.024      
3 O -0.200      
4 H 0.152      
5 H 0.160      
6 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.347 -1.006 0.000 2.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.359 -0.319 0.000
y -0.319 -17.515 0.000
z 0.000 0.000 -16.664
Traceless
 xyz
x -0.269 -0.319 0.000
y -0.319 -0.504 0.000
z 0.000 0.000 0.773
Polar
3z2-r21.546
x2-y20.156
xy-0.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.364 -0.109 0.000
y -0.109 2.716 0.000
z 0.000 0.000 2.544


<r2> (average value of r2) Å2
<r2> 42.183
(<r2>)1/2 6.495