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All results from a given calculation for H3PO4 (Phosphoric Acid)

using model chemistry: CCSD(T)=FULL/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-643.084195
Energy at 298.15K 
HF Energy-642.085060
Nuclear repulsion energy274.583710
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/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVDZ

Point Group is C3

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.126
O2 0.000 0.000 1.630
O3 0.000 1.455 -0.612
O4 1.260 -0.727 -0.612
O5 -1.260 -0.727 -0.612
H6 0.510 2.088 -0.083
H7 1.553 -1.485 -0.083
H8 -2.063 -0.603 -0.083

Atom - Atom Distances (Å)
  P1 O2 O3 O4 O5 H6 H7 H8
P11.50321.63151.63151.63152.15962.15962.1596
O21.50322.67232.67232.67232.74852.74852.7485
O31.63152.67232.51992.51990.96953.36722.9612
O41.63152.67232.51992.51992.96120.96953.3672
O51.63152.67232.51992.51993.36722.96120.9695
H62.15962.74850.96952.96123.36723.72283.7228
H72.15962.74853.36720.96952.96123.72283.7228
H82.15962.74852.96123.36720.96953.72283.7228

picture of Phosphoric Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 O3 H6 109.615 P1 O4 H7 109.615
P1 O5 H8 109.615 O2 P1 O3 116.906
O2 P1 O4 116.906 O2 P1 O5 116.906
O3 P1 O4 101.118 O3 P1 O5 101.118
O4 P1 O5 101.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability