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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-190.224502
Energy at 298.15K-190.228141
HF Energy-190.224502
Nuclear repulsion energy75.325873
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 wB97X-D/TZVP
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' 3191 3048 7.92      
2 A' 3074 2936 13.51      
3 A' 1489 1422 9.53      
4 A' 1461 1395 3.10      
5 A' 1267 1210 14.41      
6 A' 1199 1145 0.79      
7 A' 956 913 15.80      
8 A' 508 485 6.73      
9 A" 3170 3028 12.86      
10 A" 1478 1411 10.45      
11 A" 1135 1084 0.43      
12 A" 127 121 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 9527.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9098.8 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 wB97X-D/TZVP
ABC
1.78242 0.38206 0.33484

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.993 -0.474 0.000
O2 0.000 0.556 0.000
O3 -1.210 0.067 0.000
H4 1.957 0.033 0.000
H5 0.883 -1.087 0.895
H6 0.883 -1.087 -0.895

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43112.26931.08891.09001.0900
O21.43111.30562.02582.06882.0688
O32.26931.30563.16772.55252.5525
H41.08892.02583.16771.79081.7908
H51.09002.06882.55251.79081.7894
H61.09002.06882.55251.79081.7894

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 111.951 O2 C1 H4 106.209
O2 C1 H5 109.546 O2 C1 H6 109.546
H4 C1 H5 110.554 H4 C1 H6 110.554
H5 C1 H6 110.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 O -0.040      
3 O -0.175      
4 H 0.132      
5 H 0.142      
6 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.610 -1.236 0.000 2.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.699 -0.436 0.000
y -0.436 -18.057 0.000
z 0.000 0.000 -16.834
Traceless
 xyz
x -0.254 -0.436 0.000
y -0.436 -0.790 0.000
z 0.000 0.000 1.044
Polar
3z2-r22.088
x2-y20.358
xy-0.436
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.364 0.058 0.000
y 0.058 2.726 0.000
z 0.000 0.000 2.550


<r2> (average value of r2) Å2
<r2> 41.748
(<r2>)1/2 6.461