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All results from a given calculation for PPO (Phosphorus oxide phosphide)

using model chemistry: QCISD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-756.779197
Energy at 298.15K-756.780218
HF Energy-756.286295
Nuclear repulsion energy121.280991
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 QCISD(T)/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1180 1154        
2 Σ 622 608        
3 Π 192 187        
3 Π 192 187        

Unscaled Zero Point Vibrational Energy (zpe) 1092.5 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 1068.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVDZ
B
0.12255

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 1.496
P2 0.000 0.000 -0.445
O3 0.000 0.000 -1.970

Atom - Atom Distances (Å)
  P1 P2 O3
P11.94163.4665
P21.94161.5249
O33.46651.5249

picture of Phosphorus oxide phosphide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 P2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability