All results from a given calculation for H3PO4 (Phosphoric Acid)
using model chemistry: CCSD(T)=FULL/TZVP
19 10 17 12 22
States and conformations
State |
Conformation |
minimum conformation |
conformer description |
state description |
1 |
1 |
yes |
C3 |
1A |
Energy calculated at CCSD(T)=FULL/TZVP
| hartrees |
Energy at 0K | -643.227813 |
Energy at 298.15K | |
HF Energy | -642.160880 |
Nuclear repulsion energy | 277.841613 |
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)=FULL/TZVP
Geometric Data calculated at CCSD(T)=FULL/TZVP
Point Group is C3
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
P1 |
0.000 |
0.000 |
0.116 |
O2 |
0.000 |
0.000 |
1.601 |
O3 |
0.000 |
1.444 |
-0.597 |
O4 |
1.250 |
-0.722 |
-0.597 |
O5 |
-1.250 |
-0.722 |
-0.597 |
H6 |
0.516 |
2.068 |
-0.072 |
H7 |
1.533 |
-1.481 |
-0.072 |
H8 |
-2.049 |
-0.587 |
-0.072 |
Atom - Atom Distances (Å)
|
P1 |
O2 |
O3 |
O4 |
O5 |
H6 |
H7 |
H8 |
P1 | | 1.4844 | 1.6107 | 1.6107 | 1.6107 | 2.1398 | 2.1398 | 2.1398 |
O2 | 1.4844 | | 2.6300 | 2.6300 | 2.6300 | 2.7096 | 2.7096 | 2.7096 | O3 | 1.6107 | 2.6300 | | 2.5008 | 2.5008 | 0.9656 | 3.3438 | 2.9322 | O4 | 1.6107 | 2.6300 | 2.5008 | | 2.5008 | 2.9322 | 0.9656 | 3.3438 | O5 | 1.6107 | 2.6300 | 2.5008 | 2.5008 | | 3.3438 | 2.9322 | 0.9656 | H6 | 2.1398 | 2.7096 | 0.9656 | 2.9322 | 3.3438 | | 3.6918 | 3.6918 | H7 | 2.1398 | 2.7096 | 3.3438 | 0.9656 | 2.9322 | 3.6918 | | 3.6918 | H8 | 2.1398 | 2.7096 | 2.9322 | 3.3438 | 0.9656 | 3.6918 | 3.6918 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
P1 |
O3 |
H6 |
109.770 |
|
P1 |
O4 |
H7 |
109.770 |
P1 |
O5 |
H8 |
109.770 |
|
O2 |
P1 |
O3 |
116.310 |
O2 |
P1 |
O4 |
116.310 |
|
O2 |
P1 |
O5 |
116.310 |
O3 |
P1 |
O4 |
101.848 |
|
O3 |
P1 |
O5 |
101.848 |
O4 |
P1 |
O5 |
101.848 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability