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All results from a given calculation for PO (Phosphorus monoxide)

using model chemistry: QCISD/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at QCISD/cc-pV(D+d)Z
 hartrees
Energy at 0K-415.873158
Energy at 298.15K 
HF Energy-415.573298
Nuclear repulsion energy42.350821
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/cc-pV(D+d)Z
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 1494 1494 366.87      

Unscaled Zero Point Vibrational Energy (zpe) 747.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 747.1 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/cc-pV(D+d)Z
B
0.71087

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pV(D+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 -0.978
P2 0.000 0.000 0.522

Atom - Atom Distances (Å)
  O1 P2
O11.4994
P21.4994

picture of Phosphorus monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability