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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-189.258528
Energy at 298.15K-189.262117
HF Energy-189.258528
Nuclear repulsion energy75.357459
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 LSDA/6-31G**
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' 3111 3053 4.56      
2 A' 2985 2929 7.52      
3 A' 1421 1394 10.35      
4 A' 1376 1350 1.56      
5 A' 1228 1205 3.53      
6 A' 1141 1120 0.96      
7 A' 933 916 4.70      
8 A' 491 482 7.84      
9 A" 3085 3028 5.48      
10 A" 1406 1379 12.32      
11 A" 1075 1054 0.01      
12 A" 128 126 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9189.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 9017.9 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 LSDA/6-31G**
ABC
1.75540 0.38610 0.33726

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.988 -0.465 0.000
O2 0.000 0.565 0.000
O3 -1.203 0.050 0.000
H4 1.964 0.042 0.000
H5 0.864 -1.087 0.902
H6 0.864 -1.087 -0.902

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.42742.25051.10031.10231.1023
O21.42741.30802.03262.07062.0706
O32.25051.30803.16692.52522.5252
H41.10032.03263.16691.81641.8164
H51.10232.07062.52521.81641.8040
H61.10232.07062.52521.81641.8040

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 110.642 O2 C1 H4 106.331
O2 C1 H5 109.195 O2 C1 H6 109.195
H4 C1 H5 111.101 H4 C1 H6 111.101
H5 C1 H6 109.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 O -0.108      
3 O -0.195      
4 H 0.166      
5 H 0.179      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.534 -1.091 0.000 2.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.487 -0.394 0.000
y -0.394 -17.635 0.000
z 0.000 0.000 -16.730
Traceless
 xyz
x -0.305 -0.394 0.000
y -0.394 -0.527 0.000
z 0.000 0.000 0.832
Polar
3z2-r21.663
x2-y20.148
xy-0.394
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.123 -0.052 0.000
y -0.052 2.479 0.000
z 0.000 0.000 2.340


<r2> (average value of r2) Å2
<r2> 41.436
(<r2>)1/2 6.437