All results from a given calculation for C2H2O4 (Oxalic Acid)
using model chemistry: CCSD(T)/cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C2H |
1Ag |
Energy calculated at CCSD(T)/cc-pVTZ
| | hartrees |
| Energy at 0K | -377.816066 |
| Energy at 298.15K | |
| HF Energy | -376.520858 |
| Nuclear repulsion energy | 234.056943 |
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(T)/cc-pVTZ
Geometric Data calculated at CCSD(T)/cc-pVTZ
Point Group is C2h
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.054 |
0.767 |
0.000 |
| C2 |
0.054 |
-0.767 |
0.000 |
| O3 |
1.126 |
1.373 |
0.000 |
| O4 |
-1.126 |
-1.373 |
0.000 |
| O5 |
-1.126 |
1.320 |
0.000 |
| O6 |
1.126 |
-1.320 |
0.000 |
| H7 |
1.789 |
0.660 |
0.000 |
| H8 |
-1.789 |
-0.660 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
O3 |
O4 |
O5 |
O6 |
H7 |
H8 |
| C1 | | 1.5381 | 1.3270 | 2.3940 | 1.2064 | 2.3976 | 1.8462 | 2.2463 |
C2 | 1.5381 | | 2.3940 | 1.3270 | 2.3976 | 1.2064 | 2.2463 | 1.8462 | O3 | 1.3270 | 2.3940 | | 3.5523 | 2.2536 | 2.6929 | 0.9739 | 3.5543 | O4 | 2.3940 | 1.3270 | 3.5523 | | 2.6929 | 2.2536 | 3.5543 | 0.9739 | O5 | 1.2064 | 2.3976 | 2.2536 | 2.6929 | | 3.4701 | 2.9893 | 2.0872 | O6 | 2.3976 | 1.2064 | 2.6929 | 2.2536 | 3.4701 | | 2.0872 | 2.9893 | H7 | 1.8462 | 2.2463 | 0.9739 | 3.5543 | 2.9893 | 2.0872 | | 3.8135 | H8 | 2.2463 | 1.8462 | 3.5543 | 0.9739 | 2.0872 | 2.9893 | 3.8135 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
O4 |
113.149 |
|
C1 |
C2 |
O6 |
121.286 |
| C1 |
O3 |
H7 |
105.695 |
|
C2 |
C1 |
O3 |
113.149 |
| C2 |
C1 |
O5 |
121.286 |
|
C2 |
O4 |
H8 |
105.695 |
| O3 |
C1 |
O5 |
125.565 |
|
O4 |
C2 |
O6 |
125.565 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability