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All results from a given calculation for C4H8O2 (Butanoic acid)

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-307.039374
Energy at 298.15K 
HF Energy-305.916043
Nuclear repulsion energy239.458907
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G(2df,p)
ABC
0.27748 0.06238 0.05549

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.185 -0.147 0.076
C2 -0.234 -0.400 0.520
C3 -1.255 0.236 -0.435
C4 -2.691 -0.045 0.007
O5 1.484 1.170 0.118
O6 1.973 -0.977 -0.288
H7 -0.372 -1.480 0.576
H8 -0.360 0.020 1.523
H9 -1.094 -0.157 -1.444
H10 -1.078 1.313 -0.481
H11 -3.409 0.409 -0.679
H12 -2.889 -1.119 0.039
H13 -2.878 0.359 1.006
H14 2.393 1.242 -0.195

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C11.50772.52163.87761.35101.20162.10962.12322.73922.74984.68874.18884.19881.8605
C21.50771.53592.53512.36102.42011.09081.09432.15832.15633.48942.79332.79403.1787
C32.52161.53591.52882.94563.45132.17882.16331.09481.09282.17522.17582.17453.7913
C43.87762.53511.52884.34904.76542.78612.78072.16132.16461.09211.09331.09345.2479
O51.35102.36102.94564.34902.23963.26732.58743.29312.63445.01534.93674.52460.9644
O61.20162.42013.45134.76542.23962.54913.11763.37853.81985.57174.87565.19592.2604
H72.10961.09082.17882.78613.26732.54911.77412.52093.06933.79092.59953.13883.9556
H82.12321.09432.16332.78072.58743.11761.77413.06162.49083.78073.14592.59283.4673
H92.73922.15831.09482.16133.29313.37852.52093.06161.75732.50382.52033.07503.9590
H102.74982.15631.09282.16462.63443.81983.06932.49081.75732.50853.07752.52303.4831
H114.68873.48942.17521.09215.01535.57173.79093.78072.50382.50851.76691.76695.8815
H124.18882.79332.17581.09334.93674.87562.59953.14592.52033.07751.76691.76685.7907
H134.19882.79402.17451.09344.52465.19593.13882.59283.07502.52301.76691.76685.4778
H141.86053.17873.79135.24790.96442.26043.95563.46733.95903.48315.88155.79075.4778

picture of Butanoic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.889 C1 C2 H7 107.472
C1 C2 H8 108.328 C1 O5 H14 105.719
C2 C1 O5 111.239 C2 C1 O6 126.207
C2 C3 C4 111.623 C2 C3 H9 109.100
C2 C3 H10 109.066 C3 C2 H7 110.956
C3 C2 H8 109.526 C3 C4 H11 111.088
C3 C4 H12 111.065 C3 C4 H13 110.952
C4 C3 H9 109.823 C4 C3 H10 110.209
O5 C1 O6 122.550 H7 C2 H8 108.567
H9 C3 H10 106.895 H11 C4 H12 107.901
H11 C4 H13 107.892 H12 C4 H13 107.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability