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

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-229.188939
Energy at 298.15K 
HF Energy-228.330664
Nuclear repulsion energy123.953236
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.495 0.905 0.000
C2 0.000 0.672 0.000
O3 -0.204 -0.767 0.000
O4 -1.497 -1.047 0.000
H5 1.699 1.977 0.000
H6 1.955 0.466 0.886
H7 1.955 0.466 -0.886
H8 -0.487 1.072 -0.890
H9 -0.487 1.072 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51322.38393.57251.09101.09051.09052.17942.1794
C21.51321.45332.27922.14282.15592.15591.09081.0908
O32.38391.45331.32293.33952.63882.63882.06292.0629
O43.57252.27921.32294.40013.87113.87112.51042.5104
H51.09102.14283.33954.40011.77031.77032.52842.5284
H61.09052.15592.63883.87111.77031.77153.07982.5164
H71.09052.15592.63883.87111.77031.77152.51643.0798
H82.17941.09082.06292.51042.52843.07982.51641.7798
H92.17941.09082.06292.51042.52842.51643.07981.7798

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 106.938 C1 C2 H8 112.635
C1 C2 H9 112.635 C2 C1 H5 109.675
C2 C1 H6 110.749 C2 C1 H7 110.749
C2 O3 O4 110.279 O3 C2 H8 107.503
O3 C2 H9 107.503 H5 C1 H6 108.487
H5 C1 H7 108.487 H6 C1 H7 108.628
H8 C2 H9 109.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability