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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-189.275213
Energy at 298.15K-189.279019
HF Energy-189.275213
Nuclear repulsion energy76.025719
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 HF/TZVP
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' 3300 2998 19.07      
2 A' 3198 2905 30.07      
3 A' 1621 1473 12.24      
4 A' 1595 1449 2.33      
5 A' 1337 1215 11.91      
6 A' 1269 1153 70.33      
7 A' 1055 959 32.09      
8 A' 534 485 4.91      
9 A" 3279 2979 34.60      
10 A" 1603 1457 6.65      
11 A" 1272 1155 2.54      
12 A" 187 170 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 10124.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 9199.1 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 HF/TZVP
ABC
1.81270 0.38991 0.34154

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.981 -0.466 0.000
O2 0.000 0.556 0.000
O3 -1.197 0.056 0.000
H4 1.932 0.044 0.000
H5 0.882 -1.075 0.888
H6 0.882 -1.075 -0.888

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6
C11.41622.23981.07951.08131.0813
O21.41621.29751.99902.05582.0558
O32.23981.29753.12982.52822.5282
H41.07951.99903.12981.77291.7729
H51.08132.05582.52821.77291.7754
H61.08132.05582.52821.77291.7754

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 111.177 O2 C1 H4 105.660
O2 C1 H5 110.082 O2 C1 H6 110.082
H4 C1 H5 110.275 H4 C1 H6 110.275
H5 C1 H6 110.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability