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

using model chemistry: CCSD=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-306.951384
Energy at 298.15K 
HF Energy-305.914704
Nuclear repulsion energy242.522125
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/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVDZ
ABC
0.27907 0.06932 0.05734

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.322 0.036 0.000
C2 -0.913 -0.512 0.000
O3 0.000 0.490 0.000
O4 -0.614 -1.690 0.000
C5 1.383 0.057 0.000
C6 2.246 1.309 0.000
H7 -3.035 -0.798 0.000
H8 -2.473 0.666 0.890
H9 -2.473 0.666 -0.890
H10 1.559 -0.567 0.891
H11 1.559 -0.567 -0.891
H12 3.311 1.023 0.000
H13 2.048 1.920 -0.895
H14 2.048 1.920 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51242.36642.42843.70594.74281.09701.10121.10124.02714.02715.71894.84294.8429
C21.51241.35581.21492.36563.64672.14182.14882.14882.62762.62764.49393.93513.9351
O32.36641.35582.26481.44982.39103.29742.63462.63462.08312.08313.35332.65352.6535
O42.42841.21492.26482.65314.14432.58083.13103.13102.60292.60294.77084.57384.5738
C53.70592.36561.44982.65311.52124.50084.00494.00491.10131.10132.15592.17162.1716
C64.74283.64672.39104.14431.52125.68664.84574.84572.18762.18761.10241.10151.1015
H71.09702.14183.29742.58084.50085.68661.80331.80334.68534.68536.60225.83375.8337
H81.10122.14882.63463.13104.00494.84571.80331.77994.21634.57705.86315.02034.6922
H91.10122.14882.63463.13104.00494.84571.80331.77994.57704.21635.86314.69225.0203
H104.02712.62762.08312.60291.10132.18764.68534.21634.57701.78212.52793.10052.5344
H114.02712.62762.08312.60291.10132.18764.68534.57704.21631.78212.52792.53443.1005
H125.71894.49393.35334.77082.15591.10246.60225.86315.86312.52792.52791.78901.7890
H134.84293.93512.65354.57382.17161.10155.83375.02034.69223.10052.53441.78901.7899
H144.84293.93512.65354.57382.17161.10155.83374.69225.02032.53443.10051.78901.7899

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 111.067 C1 C2 O4 125.495
C2 C1 H7 109.297 C2 C1 H8 109.600
C2 C1 H9 109.600 C2 O3 C5 114.914
O3 C2 O4 123.438 O3 C5 C6 107.154
O3 C5 H10 108.717 O3 C5 H11 108.717
C5 C6 H12 109.489 C5 C6 H13 110.775
C5 C6 H14 110.775 C6 C5 H10 112.071
C6 C5 H11 112.071 H7 C1 H8 110.245
H7 C1 H9 110.245 H8 C1 H9 107.836
H10 C5 H11 108.018 H12 C6 H13 108.530
H12 C6 H14 108.530 H13 C6 H14 108.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability