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

using model chemistry: B2PLYP=FULLultrafine/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-307.620920
Energy at 298.15K 
HF Energy-307.207701
Nuclear repulsion energy243.960494
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 B2PLYP=FULLultrafine/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/daug-cc-pVTZ
ABC
0.28230 0.06993 0.05785

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.307 0.030 0.000
C2 -0.909 -0.518 0.000
O3 0.000 0.479 0.000
O4 -0.613 -1.689 0.000
C5 1.384 0.066 0.000
C6 2.227 1.317 0.000
H7 -3.016 -0.788 0.000
H8 -2.457 0.655 0.877
H9 -2.457 0.655 -0.877
H10 1.563 -0.549 0.879
H11 1.563 -0.549 -0.879
H12 3.282 1.047 0.000
H13 2.027 1.920 -0.883
H14 2.027 1.920 0.883

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50162.34982.41363.69064.71291.08341.08771.08774.01044.01045.68024.80924.8092
C21.50161.34911.20752.36613.63382.12462.13182.13182.62392.62394.47363.91713.9171
O32.34981.34912.25251.44382.37983.27162.61522.61522.06692.06693.33062.63912.6391
O42.41361.20752.25252.65844.13542.56693.10933.10932.60912.60914.75964.55754.5575
C53.69062.36611.44382.65841.50864.48233.98373.98371.08801.08802.13652.15152.1515
C64.71293.63382.37984.13541.50865.65044.81164.81162.16702.16701.08851.08771.0877
H71.08342.12463.27162.56694.48235.65041.77941.77944.66924.66926.56015.79195.7919
H81.08772.13182.61523.10933.98374.81161.77941.75474.19684.54965.81894.98044.6589
H91.08772.13182.61523.10933.98374.81161.77941.75474.54964.19685.81894.65894.9804
H104.01042.62392.06692.60911.08802.16704.66924.19684.54961.75862.50493.06852.5121
H114.01042.62392.06692.60911.08802.16704.66924.54964.19681.75862.50492.51213.0685
H125.68024.47363.33064.75962.13651.08856.56015.81895.81892.50492.50491.76521.7652
H134.80923.91712.63914.55752.15151.08775.79194.98044.65893.06852.51211.76521.7656
H144.80923.91712.63914.55752.15151.08775.79194.65894.98042.51213.06851.76521.7656

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 110.920 C1 C2 O4 125.635
C2 C1 H7 109.491 C2 C1 H8 109.807
C2 C1 H9 109.807 C2 O3 C5 115.764
O3 C2 O4 123.445 O3 C5 C6 107.403
O3 C5 H10 108.629 O3 C5 H11 108.629
C5 C6 H12 109.646 C5 C6 H13 110.889
C5 C6 H14 110.889 C6 C5 H10 112.125
C6 C5 H11 112.125 H7 C1 H8 110.086
H7 C1 H9 110.086 H8 C1 H9 107.539
H10 C5 H11 107.832 H12 C6 H13 108.416
H12 C6 H14 108.416 H13 C6 H14 108.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability