All results from a given calculation for C3H4O2 (2-Propenoic acid)
using model chemistry: MP2/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 MP2/cc-pVTZ
| | hartrees |
| Energy at 0K | -266.698978 |
| Energy at 298.15K | |
| HF Energy | -265.756740 |
| Nuclear repulsion energy | 162.875824 |
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 MP2/cc-pVTZ
Geometric Data calculated at MP2/cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| O1 |
1.334 |
0.326 |
0.000 |
| H2 |
1.745 |
1.203 |
0.000 |
| O3 |
-0.465 |
1.684 |
0.000 |
| C4 |
0.000 |
0.565 |
0.000 |
| C5 |
-0.814 |
-0.666 |
0.000 |
| H6 |
-1.880 |
-0.495 |
0.000 |
| C7 |
-0.295 |
-1.896 |
0.000 |
| H8 |
0.774 |
-2.047 |
0.000 |
| H9 |
-0.936 |
-2.766 |
0.000 |
Atom - Atom Distances (Å)
| |
O1 |
H2 |
O3 |
C4 |
C5 |
H6 |
C7 |
H8 |
H9 |
| O1 | | 0.9681 | 2.2537 | 1.3551 | 2.3659 | 3.3170 | 2.7557 | 2.4391 | 3.8357 |
H2 | 0.9681 | | 2.2615 | 1.8576 | 3.1685 | 4.0025 | 3.7103 | 3.3924 | 4.7891 | O3 | 2.2537 | 2.2615 | | 1.2116 | 2.3758 | 2.5981 | 3.5843 | 3.9317 | 4.4748 | C4 | 1.3551 | 1.8576 | 1.2116 | | 1.4759 | 2.1582 | 2.4791 | 2.7249 | 3.4601 | C5 | 2.3659 | 3.1685 | 2.3758 | 1.4759 | | 1.0797 | 1.3350 | 2.1043 | 2.1034 | H6 | 3.3170 | 4.0025 | 2.5981 | 2.1582 | 1.0797 | | 2.1153 | 3.0742 | 2.4594 | C7 | 2.7557 | 3.7103 | 3.5843 | 2.4791 | 1.3350 | 2.1153 | | 1.0795 | 1.0800 | H8 | 2.4391 | 3.3924 | 3.9317 | 2.7249 | 2.1043 | 3.0742 | 1.0795 | | 1.8540 | H9 | 3.8357 | 4.7891 | 4.4748 | 3.4601 | 2.1034 | 2.4594 | 1.0800 | 1.8540 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| O1 |
C4 |
O3 |
122.723 |
|
O1 |
C4 |
C5 |
113.308 |
| H2 |
O1 |
C4 |
104.956 |
|
O3 |
C4 |
C5 |
123.969 |
| C4 |
C5 |
H6 |
114.347 |
|
C4 |
C5 |
C7 |
123.682 |
| C5 |
C7 |
H8 |
120.911 |
|
C5 |
C7 |
H9 |
120.780 |
| H6 |
C5 |
C7 |
121.972 |
|
H8 |
C7 |
H9 |
118.309 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability