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All results from a given calculation for C4H8O2 (Ethyl acetate)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-307.138084
Energy at 298.15K 
HF Energy-305.952443
Nuclear repulsion energy243.065751
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 MP4=FULL/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/6-311G**
ABC
0.27818 0.06989 0.05767

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.315 0.045 0.000
C2 -0.909 -0.515 0.000
O3 0.000 0.494 0.000
O4 -0.610 -1.692 0.000
C5 1.376 0.054 0.000
C6 2.240 1.302 0.000
H7 -3.032 -0.778 0.000
H8 -2.459 0.673 0.885
H9 -2.459 0.673 -0.885
H10 1.553 -0.567 0.886
H11 1.553 -0.567 -0.886
H12 3.300 1.020 0.000
H13 2.038 1.908 -0.890
H14 2.038 1.908 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51292.35812.43343.69074.72511.09191.09521.09524.01454.01455.69864.81774.8177
C21.51291.35871.21372.35513.63602.13932.14422.14422.61712.61714.48043.91803.9180
O32.35811.35872.26911.44452.38113.28862.61962.61962.07882.07883.34132.63502.6350
O42.43341.21372.26912.64394.13302.58903.12973.12972.59342.59344.75794.55614.5561
C53.69072.35511.44452.64391.51774.48623.98413.98411.09631.09632.15272.16022.1602
C64.72513.63602.38114.13301.51775.66794.82274.82272.17942.17941.09651.09531.0953
H71.09192.13933.28862.58904.48625.66791.79441.79444.67474.67476.58255.80665.8066
H81.09522.14422.61963.12973.98414.82271.79441.77044.19904.55725.83664.98964.6633
H91.09522.14422.61963.12973.98414.82271.79441.77044.55724.19905.83664.66334.9896
H104.01452.61712.07882.59341.09632.17944.67474.19904.55721.77192.52113.08442.5220
H114.01452.61712.07882.59341.09632.17944.67474.55724.19901.77192.52112.52203.0844
H125.69864.48043.34134.75792.15271.09656.58255.83665.83662.52112.52111.78091.7809
H134.81773.91802.63504.55612.16021.09535.80664.98964.66333.08442.52201.78091.7795
H144.81773.91802.63504.55612.16021.09535.80664.66334.98962.52203.08441.78091.7795

picture of Ethyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 110.287 C1 C2 O4 126.013
C2 C1 H7 109.360 C2 C1 H8 109.555
C2 C1 H9 109.555 C2 O3 C5 114.279
O3 C2 O4 123.700 O3 C5 C6 106.969
O3 C5 H10 109.038 O3 C5 H11 109.038
C5 C6 H12 109.814 C5 C6 H13 110.479
C5 C6 H14 110.479 C6 C5 H10 111.959
C6 C5 H11 111.959 H7 C1 H8 110.253
H7 C1 H9 110.253 H8 C1 H9 107.842
H10 C5 H11 107.820 H12 C6 H13 108.687
H12 C6 H14 108.687 H13 C6 H14 108.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability