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All results from a given calculation for C3H4O2 (2-Propenoic acid)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-266.429969
Energy at 298.15K 
HF Energy-265.663472
Nuclear repulsion energy162.821117
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.35932 0.14632 0.10398

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.330 0.340 0.000
H2 1.756 1.204 0.000
O3 -0.482 1.681 0.000
C4 0.000 0.572 0.000
C5 -0.808 -0.675 0.000
H6 -1.874 -0.502 0.000
C7 -0.282 -1.903 0.000
H8 0.785 -2.062 0.000
H9 -0.912 -2.780 0.000

Atom - Atom Distances (Å)
  O1 H2 O3 C4 C5 H6 C7 H8 H9
O10.96352.25411.35012.36703.31322.76262.46303.8426
H20.96352.28831.86673.17934.01173.71643.40744.7956
O32.25412.28831.20932.37862.58983.59003.95184.4821
C41.35011.86671.20931.48592.16032.49122.74863.4741
C52.36703.17932.37861.48591.07981.33622.11282.1079
H63.31324.01172.58982.16031.07982.12063.08322.4725
C72.76263.71643.59002.49121.33622.12061.07941.0800
H82.46303.40743.95182.74862.11283.08321.07941.8436
H93.84264.79564.48213.47412.10792.47251.08001.8436

picture of 2-Propenoic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 O3 123.362 O1 C4 C5 113.062
H2 O1 C4 106.372 O3 C4 C5 123.575
C4 C5 H6 113.758 C4 C5 C7 123.864
C5 C7 H8 121.642 C5 C7 H9 121.108
H6 C5 C7 122.379 H8 C7 H9 117.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability