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All results from a given calculation for CH3CH2COOH (Propanoic Acid)

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-267.954668
Energy at 298.15K 
HF Energy-266.951359
Nuclear repulsion energy178.775666
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 QCISD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/cc-pVTZ
ABC
0.34069 0.12806 0.09636

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.569 0.000
C2 -0.603 -0.811 0.000
C3 0.450 -1.908 0.000
O4 -0.954 1.527 0.000
O5 1.176 0.829 0.000
H6 -1.258 -0.880 0.871
H7 -1.258 -0.880 -0.871
H8 -0.025 -2.889 0.000
H9 1.089 -1.832 -0.878
H10 1.089 -1.832 0.878
H11 -0.484 2.369 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11
C11.50642.51821.35191.20382.10712.10713.45852.77932.77931.8638
C21.50641.52102.36402.41921.09151.09152.15722.16282.16283.1822
C32.51821.52103.71102.83152.17532.17531.08941.08881.08884.3782
O41.35192.36403.71102.24142.57722.57724.51274.02854.02850.9645
O51.20382.41922.83152.24143.09793.09793.90662.80342.80342.2646
H62.10711.09152.17532.57723.09791.74222.51333.07782.53233.4512
H72.10711.09152.17532.57723.09791.74222.51332.53233.07783.4512
H83.45852.15721.08944.51273.90662.51332.51331.76851.76855.2782
H92.77932.16281.08884.02852.80343.07782.53231.76851.75654.5713
H102.77932.16281.08884.02852.80342.53233.07781.76851.75654.5713
H111.86383.18224.37820.96452.26463.45123.45125.27824.57134.5713

picture of Propanoic Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.566 C1 C2 H6 107.324
C1 C2 H7 107.324 C1 O4 H11 105.929
C2 C1 O4 111.479 C2 C1 O5 126.050
C2 C3 H8 110.368 C2 C3 H9 110.851
C2 C3 H10 110.851 C3 C2 H6 111.687
C3 C2 H7 111.687 O4 C1 O5 122.472
H6 C2 H7 105.884 H8 C3 H9 108.567
H8 C3 H10 108.567 H9 C3 H10 107.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability