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

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-189.212413
Energy at 298.15K-189.216221
Nuclear repulsion energy75.940102
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/cc-pVDZ
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' 3325 2862 17.86      
2 A' 3207 2761 28.40      
3 A' 1599 1376 10.66      
4 A' 1568 1350 2.15      
5 A' 1321 1137 8.18      
6 A' 1264 1088 64.04      
7 A' 1054 907 30.23      
8 A' 536 461 4.19      
9 A" 3300 2840 35.58      
10 A" 1580 1360 6.62      
11 A" 1255 1080 2.71      
12 A" 191 164 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 10099.3 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 8692.4 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/cc-pVDZ
ABC
1.79738 0.39041 0.34167

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.979 -0.463 0.000
O2 0.000 0.558 0.000
O3 -1.197 0.053 0.000
H4 1.938 0.049 0.000
H5 0.881 -1.078 0.894
H6 0.881 -1.078 -0.894

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41462.23681.08701.08921.0892
O21.41461.29912.00372.06152.0615
O32.23681.29913.13522.52902.5290
H41.08702.00373.13521.78501.7850
H51.08922.06152.52901.78501.7874
H61.08922.06152.52901.78501.7874

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 110.957 O2 C1 H4 105.697
O2 C1 H5 110.166 O2 C1 H6 110.166
H4 C1 H5 110.222 H4 C1 H6 110.222
H5 C1 H6 110.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 O -0.250      
3 O -0.064      
4 H 0.050      
5 H 0.044      
6 H 0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.926 -1.340 0.000 2.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.958 -0.417 0.000
y -0.417 -18.145 -0.000
z 0.000 -0.000 -16.771
Traceless
 xyz
x 0.500 -0.417 0.000
y -0.417 -1.281 -0.000
z 0.000 -0.000 0.781
Polar
3z2-r21.562
x2-y21.188
xy-0.417
xz0.000
yz-0.000


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