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

using model chemistry: CCSD(T)=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(T)=FULL/TZVP
 hartrees
Energy at 0K-307.149246
Energy at 298.15K 
HF Energy-305.979470
Nuclear repulsion energy243.407357
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)=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/TZVP
ABC
0.28056 0.06977 0.05769

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.314 0.040 0.000
C2 -0.911 -0.514 0.000
O3 0.000 0.487 0.000
O4 -0.614 -1.688 0.000
C5 1.380 0.058 0.000
C6 2.239 1.305 0.000
H7 -3.026 -0.782 0.000
H8 -2.462 0.664 0.883
H9 -2.462 0.664 -0.883
H10 1.559 -0.558 0.884
H11 1.559 -0.558 -0.884
H12 3.295 1.022 0.000
H13 2.042 1.909 -0.888
H14 2.042 1.909 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50842.35632.42353.69354.72511.08801.09151.09154.01734.01735.69374.82224.8222
C21.50841.35401.21022.36123.63782.13152.13922.13922.62392.62394.47763.92213.9221
O32.35631.35402.26021.44522.38383.28112.62182.62182.07512.07513.33792.64212.6421
O42.42351.21022.26022.65044.13522.57553.11883.11882.60432.60434.75654.55894.5589
C53.69352.36121.44522.65041.51454.48493.98873.98871.09241.09242.14392.15732.1573
C64.72513.63782.38384.13521.51455.66344.82624.82622.17162.17161.09311.09171.0917
H71.08802.13153.28112.57554.48495.66341.78621.78624.67464.67466.57295.80645.8064
H81.09152.13922.62183.11883.98874.82621.78621.76614.20324.55965.83544.99764.6733
H91.09152.13922.62183.11883.98874.82621.78621.76614.55964.20325.83544.67334.9976
H104.01732.62392.07512.60431.09242.17164.67464.20324.55961.76822.50813.07582.5140
H114.01732.62392.07512.60431.09242.17164.67464.55964.20321.76822.50812.51403.0758
H125.69374.47763.33794.75652.14391.09316.57295.83545.83542.50812.50811.77321.7732
H134.82223.92212.64214.55892.15731.09175.80644.99764.67333.07582.51401.77321.7758
H144.82223.92212.64214.55892.15731.09175.80644.67334.99762.51403.07581.77321.7758

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 110.700 C1 C2 O4 125.760
C2 C1 H7 109.294 C2 C1 H8 109.693
C2 C1 H9 109.693 C2 O3 C5 114.995
O3 C2 O4 123.540 O3 C5 C6 107.276
O3 C5 H10 108.924 O3 C5 H11 108.924
C5 C6 H12 109.538 C5 C6 H13 110.687
C5 C6 H14 110.687 C6 C5 H10 111.797
C6 C5 H11 111.797 H7 C1 H8 110.075
H7 C1 H9 110.075 H8 C1 H9 107.995
H10 C5 H11 108.057 H12 C6 H13 108.510
H12 C6 H14 108.510 H13 C6 H14 108.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability