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All results from a given calculation for C2H5OO (ethylperoxy radical)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-228.898022
Energy at 298.15K 
HF Energy-228.249962
Nuclear repulsion energy124.290544
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
1.11623 0.14892 0.13819

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.497 0.897 0.000
C2 0.000 0.669 0.000
O3 -0.212 -0.760 0.000
O4 -1.492 -1.045 0.000
H5 1.704 1.965 0.000
H6 1.952 0.456 0.884
H7 1.952 0.456 -0.884
H8 -0.477 1.085 -0.886
H9 -0.477 1.085 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51462.38113.56541.08791.08761.08762.17212.1721
C21.51461.44442.27272.14152.15342.15341.08871.0887
O32.38111.44441.31143.33192.63512.63512.06332.0633
O43.56542.27271.31144.39133.85983.85982.52042.5204
H51.08792.14153.33194.39131.76681.76682.51382.5138
H61.08762.15342.63513.85981.76681.76733.07052.5093
H71.08762.15342.63513.85981.76681.76732.50933.0705
H82.17211.08872.06332.52042.51383.07052.50931.7719
H92.17211.08872.06332.52042.51382.50933.07051.7719

picture of ethylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.136 C1 C2 H8 112.056
C1 C2 H9 112.056 C2 C1 H5 109.655
C2 C1 H6 110.619 C2 C1 H7 110.619
C2 O3 O4 111.025 O3 C2 H8 108.261
O3 C2 H9 108.261 H5 C1 H6 108.608
H5 C1 H7 108.608 H6 C1 H7 108.680
H8 C2 H9 108.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability