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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-190.211891
Energy at 298.15K-190.215568
HF Energy-190.211891
Nuclear repulsion energy75.475856
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 mPW1PW91/6-311G*
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' 3196 3050 12.39      
2 A' 3080 2939 16.50      
3 A' 1508 1439 11.65      
4 A' 1467 1400 0.47      
5 A' 1257 1200 13.06      
6 A' 1199 1145 0.80      
7 A' 961 917 15.12      
8 A' 506 482 6.49      
9 A" 3177 3032 18.97      
10 A" 1495 1427 10.94      
11 A" 1154 1102 0.44      
12 A" 152 145 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 9575.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9138.7 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 mPW1PW91/6-311G*
ABC
1.78704 0.38390 0.33639

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.990 -0.477 0.000
O2 0.000 0.561 0.000
O3 -1.204 0.064 0.000
H4 1.951 0.034 0.000
H5 0.870 -1.085 0.895
H6 0.870 -1.085 -0.895

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43372.25941.08801.08921.0892
O21.43371.30232.02042.06572.0657
O32.25941.30233.15462.53462.5346
H41.08802.02043.15461.79481.7948
H51.08922.06572.53461.79481.7907
H61.08922.06572.53461.79481.7907

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 111.252 O2 C1 H4 105.672
O2 C1 H5 109.170 O2 C1 H6 109.170
H4 C1 H5 111.051 H4 C1 H6 111.051
H5 C1 H6 110.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.443      
2 O -0.113      
3 O -0.156      
4 H 0.233      
5 H 0.240      
6 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.453 -1.190 0.000 2.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.493 -0.424 0.000
y -0.424 -17.907 0.000
z 0.000 0.000 -16.770
Traceless
 xyz
x -0.155 -0.424 0.000
y -0.424 -0.775 0.000
z 0.000 0.000 0.930
Polar
3z2-r21.860
x2-y20.414
xy-0.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.096 0.022 0.000
y 0.022 2.432 0.000
z 0.000 0.000 2.264


<r2> (average value of r2) Å2
<r2> 41.524
(<r2>)1/2 6.444