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All results from a given calculation for PF (phosphorus monofluoride)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Δ

State 1 (3Σ)

Jump to S2C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-440.473334
Energy at 298.15K-440.473669
HF Energy-440.155882
Nuclear repulsion energy44.706188
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 865 817 100.96      

Unscaled Zero Point Vibrational Energy (zpe) 432.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 408.6 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 MP2/6-31G(2df,p)
B
0.56063

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.599
F2 0.000 0.000 -0.999

Atom - Atom Distances (Å)
  P1 F2
P11.5980
F21.5980

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

State 2 (1Δ)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-440.420645
Energy at 298.15K-440.420984
Nuclear repulsion energy44.835713
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 881 832 91.32      

Unscaled Zero Point Vibrational Energy (zpe) 440.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 416.1 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 MP2/6-31G(2df,p)
B
0.56389

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.598
F2 0.000 0.000 -0.996

Atom - Atom Distances (Å)
  P1 F2
P11.5933
F21.5933

picture of phosphorus monofluoride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability