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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-39.236415
Energy at 298.15K-39.239941
HF Energy-39.236415
Nuclear repulsion energy42.164740
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 B3LYP/CEP-121G
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' 3155 3074 13.59      
2 A' 3018 2941 18.87      
3 A' 1494 1456 12.12      
4 A' 1443 1406 0.61      
5 A' 1178 1148 4.48      
6 A' 1089 1061 13.66      
7 A' 869 847 13.03      
8 A' 450 439 4.91      
9 A" 3140 3060 25.41      
10 A" 1477 1439 11.93      
11 A" 1114 1086 0.34      
12 A" 110 108 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 9269.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 9032.6 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 B3LYP/CEP-121G
ABC
1.65407 0.34926 0.30552

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.051 -0.476 0.000
O2 0.000 0.586 0.000
O3 -1.273 0.033 0.000
H4 1.996 0.073 0.000
H5 0.941 -1.084 0.902
H6 0.941 -1.084 -0.902

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.49402.37921.09271.09381.0938
O21.49401.38812.06102.11862.1186
O32.37921.38813.26952.63872.6387
H41.09272.06103.26951.80731.8073
H51.09382.11862.63871.80731.8045
H61.09382.11862.63871.80731.8045

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 111.227 O2 C1 H4 104.580
O2 C1 H5 108.925 O2 C1 H6 108.925
H4 C1 H5 111.498 H4 C1 H6 111.498
H5 C1 H6 111.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.302      
2 O -0.112      
3 O -0.127      
4 H 0.180      
5 H 0.181      
6 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.735 -1.527 0.000 3.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.513 -0.552 0.000
y -0.552 -18.470 0.000
z 0.000 0.000 -16.988
Traceless
 xyz
x 0.217 -0.552 0.000
y -0.552 -1.220 0.000
z 0.000 0.000 1.003
Polar
3z2-r22.006
x2-y20.958
xy-0.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.654 0.118 0.000
y 0.118 2.553 0.000
z 0.000 0.000 2.302


<r2> (average value of r2) Å2
<r2> 37.883
(<r2>)1/2 6.155