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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.275668
Energy at 298.15K-189.279468
HF Energy-189.275668
Nuclear repulsion energy76.334724
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 HF/6-311+G(3df,2p)
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' 3285 2984 17.86      
2 A' 3189 2898 32.09      
3 A' 1620 1472 12.50      
4 A' 1592 1446 0.80      
5 A' 1342 1219 25.99      
6 A' 1294 1176 57.16      
7 A' 1062 965 31.31      
8 A' 539 490 4.95      
9 A" 3268 2969 29.38      
10 A" 1604 1457 8.11      
11 A" 1269 1153 2.42      
12 A" 179 163 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 10121.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 9195.9 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 HF/6-311+G(3df,2p)
ABC
1.83607 0.39210 0.34402

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.976 -0.470 0.000
O2 0.000 0.552 0.000
O3 -1.192 0.066 0.000
H4 1.930 0.035 0.000
H5 0.875 -1.078 0.887
H6 0.875 -1.078 -0.887

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41302.23281.07911.08051.0805
O21.41301.28731.99802.05172.0517
O32.23281.28733.12182.52292.5229
H41.07911.99803.12181.77181.7718
H51.08052.05172.52291.77181.7743
H61.08052.05172.52291.77181.7743

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 111.479 O2 C1 H4 105.809
O2 C1 H5 110.023 O2 C1 H6 110.023
H4 C1 H5 110.255 H4 C1 H6 110.255
H5 C1 H6 110.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.203      
2 O -0.318      
3 O -0.253      
4 H 0.120      
5 H 0.124      
6 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.037 -1.266 0.000 2.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.212 -0.362 0.000
y -0.362 -18.257 0.000
z 0.000 0.000 -16.889
Traceless
 xyz
x 0.361 -0.362 0.000
y -0.362 -1.206 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.690
x2-y21.045
xy-0.362
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.168 -0.041 0.000
y -0.041 2.935 0.000
z 0.000 0.000 2.759


<r2> (average value of r2) Å2
<r2> 40.929
(<r2>)1/2 6.398