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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 energy277.841613
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
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/TZVP
See section I.F.4 to change rotational constant units
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
P11.48441.61071.61071.61072.13982.13982.1398
O21.48442.63002.63002.63002.70962.70962.7096
O31.61072.63002.50082.50080.96563.34382.9322
O41.61072.63002.50082.50082.93220.96563.3438
O51.61072.63002.50082.50083.34382.93220.9656
H62.13982.70960.96562.93223.34383.69183.6918
H72.13982.70963.34380.96562.93223.69183.6918
H82.13982.70962.93223.34380.96563.69183.6918

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 109.770 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