All results from a given calculation for H3PO4 (Phosphoric 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 |
C3 |
1A |
Energy calculated at MP3/6-31+G**
| | hartrees |
| Energy at 0K | -642.880043 |
| Energy at 298.15K | |
| HF Energy | -642.037521 |
| Nuclear repulsion energy | 279.530230 |
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**
Geometric Data calculated at MP3/6-31+G**
Point Group is C3
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| P1 |
0.000 |
0.000 |
0.115 |
| O2 |
0.000 |
0.000 |
1.583 |
| O3 |
0.000 |
1.431 |
-0.588 |
| O4 |
1.239 |
-0.715 |
-0.588 |
| O5 |
-1.239 |
-0.715 |
-0.588 |
| H6 |
0.501 |
2.081 |
-0.090 |
| H7 |
1.552 |
-1.474 |
-0.090 |
| H8 |
-2.053 |
-0.607 |
-0.090 |
Atom - Atom Distances (Å)
| |
P1 |
O2 |
O3 |
O4 |
O5 |
H6 |
H7 |
H8 |
| P1 | | 1.4674 | 1.5944 | 1.5944 | 1.5944 | 2.1501 | 2.1501 | 2.1501 |
O2 | 1.4674 | | 2.6001 | 2.6001 | 2.6001 | 2.7163 | 2.7163 | 2.7163 | O3 | 1.5944 | 2.6001 | | 2.4780 | 2.4780 | 0.9604 | 3.3309 | 2.9347 | O4 | 1.5944 | 2.6001 | 2.4780 | | 2.4780 | 2.9347 | 0.9604 | 3.3309 | O5 | 1.5944 | 2.6001 | 2.4780 | 2.4780 | | 3.3309 | 2.9347 | 0.9604 | H6 | 2.1501 | 2.7163 | 0.9604 | 2.9347 | 3.3309 | | 3.7071 | 3.7071 | H7 | 2.1501 | 2.7163 | 3.3309 | 0.9604 | 2.9347 | 3.7071 | | 3.7071 | H8 | 2.1501 | 2.7163 | 2.9347 | 3.3309 | 0.9604 | 3.7071 | 3.7071 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| P1 |
O3 |
H6 |
112.233 |
|
P1 |
O4 |
H7 |
112.233 |
| P1 |
O5 |
H8 |
112.233 |
|
O2 |
P1 |
O3 |
116.192 |
| O2 |
P1 |
O4 |
116.192 |
|
O2 |
P1 |
O5 |
116.192 |
| O3 |
P1 |
O4 |
101.992 |
|
O3 |
P1 |
O5 |
101.992 |
| O4 |
P1 |
O5 |
101.992 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability