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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-190.236813
Energy at 298.15K-190.240397
HF Energy-190.236813
Nuclear repulsion energy74.761334
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 TPSSh/6-31G(2df,p)
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' 3160 3050 12.02      
2 A' 3049 2942 14.73      
3 A' 1495 1443 5.98      
4 A' 1443 1392 1.71      
5 A' 1214 1172 8.56      
6 A' 1156 1115 1.73      
7 A' 911 879 11.48      
8 A' 478 461 6.38      
9 A" 3149 3039 15.70      
10 A" 1483 1431 5.96      
11 A" 1126 1086 0.67      
12 A" 123 119 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 9393.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9064.4 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 TPSSh/6-31G(2df,p)
ABC
1.72864 0.37894 0.33063

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.998 -0.473 0.000
O2 0.000 0.564 0.000
O3 -1.215 0.058 0.000
H4 1.965 0.036 0.000
H5 0.884 -1.087 0.897
H6 0.884 -1.087 -0.897

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.43902.27651.09241.09281.0928
O21.43901.31612.03432.07642.0764
O32.27651.31613.18022.55462.5546
H41.09242.03433.18021.79811.7981
H51.09282.07642.55461.79811.7933
H61.09282.07642.55461.79811.7933

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 111.357 O2 C1 H4 106.148
O2 C1 H5 109.427 O2 C1 H6 109.427
H4 C1 H5 110.738 H4 C1 H6 110.738
H5 C1 H6 110.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability