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

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-307.255906
Energy at 298.15K 
HF Energy-305.991564
Nuclear repulsion energy245.889456
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 MP3=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVTZ
ABC
0.28752 0.07104 0.05881

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.294 0.029 0.000
C2 -0.898 -0.509 0.000
O3 0.000 0.477 0.000
O4 -0.605 -1.668 0.000
C5 1.364 0.060 0.000
C6 2.216 1.301 0.000
H7 -2.996 -0.791 0.000
H8 -2.444 0.652 0.875
H9 -2.444 0.652 -0.875
H10 1.548 -0.552 0.875
H11 1.548 -0.552 -0.875
H12 3.266 1.027 0.000
H13 2.016 1.903 -0.880
H14 2.016 1.903 0.880

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.49562.33692.39403.65794.68571.07981.08391.08393.98313.98315.64794.78114.7811
C21.49561.33451.19522.33313.60272.11652.12182.12182.59892.59894.43833.88433.8843
O32.33691.33452.22921.42672.36443.25332.60172.60172.05532.05533.31152.62132.6213
O42.39401.19522.22922.62014.09612.54673.08663.08662.57862.57864.71674.51634.5163
C53.65792.33311.42672.62011.50574.44253.95203.95201.08381.08382.13322.14362.1436
C64.68573.60272.36444.09611.50575.61644.78594.78592.15592.15591.08461.08421.0842
H71.07982.11653.25332.54674.44255.61641.77481.77484.63414.63416.52015.75785.7578
H81.08392.12182.60173.08663.95204.78591.77481.74934.17014.52235.78844.95374.6326
H91.08392.12182.60173.08663.95204.78591.77481.74934.52234.17015.78844.63264.9537
H103.98312.59892.05532.57861.08382.15594.63414.17014.52231.75032.49183.05382.4992
H113.98312.59892.05532.57861.08382.15594.63414.52234.17011.75032.49182.49923.0538
H125.64794.43833.31154.71672.13321.08466.52015.78845.78842.49182.49181.76101.7610
H134.78113.88432.62134.51632.14361.08425.75784.95374.63263.05382.49921.76101.7595
H144.78113.88432.62134.51632.14361.08425.75784.63264.95372.49923.05381.76101.7595

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 111.201 C1 C2 O4 125.307
C2 C1 H7 109.476 C2 C1 H8 109.653
C2 C1 H9 109.653 C2 O3 C5 115.296
O3 C2 O4 123.492 O3 C5 C6 107.442
O3 C5 H10 109.137 O3 C5 H11 109.137
C5 C6 H12 109.809 C5 C6 H13 110.672
C5 C6 H14 110.672 C6 C5 H10 111.692
C6 C5 H11 111.692 H7 C1 H8 110.219
H7 C1 H9 110.219 H8 C1 H9 107.595
H10 C5 H11 107.699 H12 C6 H13 108.576
H12 C6 H14 108.576 H13 C6 H14 108.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability