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

using model chemistry: ROHF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at ROHF/aug-cc-pVTZ
 hartrees
Energy at 0K-189.274589
Energy at 298.15K-189.278397
Nuclear repulsion energy76.124193
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 ROHF/aug-cc-pVTZ
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' 3283 3283 18.92      
2 A' 3187 3187 33.26      
3 A' 1620 1620 11.48      
4 A' 1590 1590 1.07      
5 A' 1336 1336 11.27      
6 A' 1274 1274 61.20      
7 A' 1057 1057 30.07      
8 A' 533 533 4.35      
9 A" 3263 3263 32.39      
10 A" 1602 1602 7.75      
11 A" 1269 1269 2.71      
12 A" 187 187 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 10100.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10100.3 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 ROHF/aug-cc-pVTZ
ABC
1.81648 0.39109 0.34255

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.979 -0.464 0.000
O2 0.000 0.555 0.000
O3 -1.196 0.055 0.000
H4 1.931 0.044 0.000
H5 0.881 -1.073 0.887
H6 0.881 -1.073 -0.887

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41332.23601.07911.08071.0807
O21.41331.29621.99732.05342.0534
O32.23601.29623.12672.52502.5250
H41.07911.99733.12671.77141.7714
H51.08072.05342.52501.77141.7742
H61.08072.05342.52501.77141.7742

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 111.154 O2 C1 H4 105.737
O2 C1 H5 110.126 O2 C1 H6 110.126
H4 C1 H5 110.207 H4 C1 H6 110.207
H5 C1 H6 110.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.628      
2 O -0.220      
3 O -0.175      
4 H 0.372      
5 H 0.325      
6 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.927 -1.248 0.000 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.160 -0.362 0.001
y -0.362 -18.296 -0.001
z 0.001 -0.001 -16.861
Traceless
 xyz
x 0.418 -0.362 0.001
y -0.362 -1.286 -0.001
z 0.001 -0.001 0.868
Polar
3z2-r21.735
x2-y21.136
xy-0.362
xz0.001
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000