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

using model chemistry: QCISD/6-31+G**

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 QCISD/6-31+G**
 hartrees
Energy at 0K-440.421984
Energy at 298.15K-440.422300
HF Energy-440.153874
Nuclear repulsion energy 
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/6-31+G**
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 808 764 144.93      

Unscaled Zero Point Vibrational Energy (zpe) 403.9 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 381.8 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/6-31+G**
B
0.53037

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.616
F2 0.000 0.000 -1.027

Atom - Atom Distances (Å)
  P1 F2
P11.6429
F21.6429

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 QCISD/6-31+G**
 hartrees
Energy at 0K-440.369848
Energy at 298.15K-440.370168
Nuclear repulsion energy43.643344
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/6-31+G**
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 818 773 141.60      

Unscaled Zero Point Vibrational Energy (zpe) 408.9 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 386.5 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/6-31+G**
B
0.53429

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.614
F2 0.000 0.000 -1.023

Atom - Atom Distances (Å)
  P1 F2
P11.6369
F21.6369

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