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

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-307.111204
Energy at 298.15K 
HF Energy-305.980789
Nuclear repulsion energy244.137404
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=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/TZVP
ABC
0.28254 0.07010 0.05798

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.307 0.029 0.000
C2 -0.905 -0.519 0.000
O3 0.000 0.479 0.000
O4 -0.608 -1.686 0.000
C5 1.377 0.065 0.000
C6 2.225 1.317 0.000
H7 -3.016 -0.794 0.000
H8 -2.458 0.653 0.881
H9 -2.458 0.653 -0.881
H10 1.564 -0.549 0.882
H11 1.564 -0.549 -0.882
H12 3.281 1.043 0.000
H13 2.024 1.919 -0.886
H14 2.024 1.919 0.886

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50552.35062.41413.68424.71181.08611.08981.08984.01184.01185.67994.80764.8076
C21.50551.34691.20422.35523.62872.12872.13532.13532.62142.62144.46813.91213.9121
O32.35061.34692.24841.43782.37783.27342.61662.61662.06852.06853.32962.63712.6371
O42.41411.20422.24842.64664.12842.56743.10883.10882.60502.60504.75124.55044.5504
C53.68422.35521.43782.64661.51254.47573.97813.97811.09061.09062.14102.15452.1545
C64.71183.62872.37784.12841.51255.65014.81124.81122.16732.16731.09131.09011.0901
H71.08612.12873.27342.56744.47575.65011.78341.78344.66984.66986.55965.79155.7915
H81.08982.13532.61663.10883.97814.81121.78341.76244.19684.55215.81954.98094.6569
H91.08982.13532.61663.10883.97814.81121.78341.76244.55214.19685.81954.65694.9809
H104.01182.62142.06852.60501.09062.16734.66984.19684.55211.76392.50263.07062.5106
H114.01182.62142.06852.60501.09062.16734.66984.55214.19681.76392.50262.51063.0706
H125.67994.46813.32964.75122.14101.09136.55965.81955.81952.50262.50261.77061.7706
H134.80763.91212.63714.55042.15451.09015.79154.98094.65693.07062.51061.77061.7721
H144.80763.91212.63714.55042.15451.09015.79154.65694.98092.51063.07061.77061.7721

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 110.871 C1 C2 O4 125.607
C2 C1 H7 109.376 C2 C1 H8 109.678
C2 C1 H9 109.678 C2 O3 C5 115.472
O3 C2 O4 123.522 O3 C5 C6 107.381
O3 C5 H10 109.025 O3 C5 H11 109.025
C5 C6 H12 109.566 C5 C6 H13 110.706
C5 C6 H14 110.706 C6 C5 H10 111.712
C6 C5 H11 111.712 H7 C1 H8 110.090
H7 C1 H9 110.090 H8 C1 H9 107.909
H10 C5 H11 107.935 H12 C6 H13 108.529
H12 C6 H14 108.529 H13 C6 H14 108.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability