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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-189.136664
Energy at 298.15K-189.140137
HF Energy-189.136664
Nuclear repulsion energy71.034960
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 BLYP/3-21G
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' 3086 3069 13.72      
2 A' 2994 2978 12.02      
3 A' 1509 1501 6.95      
4 A' 1399 1392 2.30      
5 A' 1113 1107 1.02      
6 A' 1027 1021 3.91      
7 A' 793 789 3.39      
8 A' 424 421 6.18      
9 A" 3085 3068 19.01      
10 A" 1496 1488 7.84      
11 A" 1056 1050 0.04      
12 A" 128 127 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 9055.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9005.3 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 BLYP/3-21G
ABC
1.47319 0.35087 0.30000

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.055 -0.461 0.000
O2 0.000 0.632 0.000
O3 -1.277 -0.028 0.000
H4 2.017 0.072 0.000
H5 0.935 -1.072 0.904
H6 0.935 -1.072 -0.904

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.51912.37271.09891.09791.0979
O21.51911.43772.09342.14342.1434
O32.37271.43773.29592.60812.6081
H41.09892.09343.29591.81521.8152
H51.09792.14342.60811.81521.8082
H61.09792.14342.60811.81521.8082

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 106.701 O2 C1 H4 105.051
O2 C1 H5 108.908 O2 C1 H6 108.908
H4 C1 H5 111.442 H4 C1 H6 111.442
H5 C1 H6 110.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.328      
2 O -0.173      
3 O -0.128      
4 H 0.204      
5 H 0.213      
6 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.307 -1.211 0.000 2.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.844 -0.434 0.000
y -0.434 -17.596 0.000
z 0.000 0.000 -16.608
Traceless
 xyz
x 0.258 -0.434 0.000
y -0.434 -0.870 0.000
z 0.000 0.000 0.613
Polar
3z2-r21.225
x2-y20.752
xy-0.434
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.058 0.105 0.000
y 0.105 2.133 0.000
z 0.000 0.000 1.902


<r2> (average value of r2) Å2
<r2> 44.594
(<r2>)1/2 6.678