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

using model chemistry: CISD/6-31G*

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 CISD/6-31G*
 hartrees
Energy at 0K-440.387187
Energy at 298.15K-440.387523
HF Energy-440.144095
Nuclear repulsion energy44.172319
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 CISD/6-31G*
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 876 811 109.73      

Unscaled Zero Point Vibrational Energy (zpe) 437.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 405.3 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 CISD/6-31G*
B
0.54732

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.606
F2 0.000 0.000 -1.011

Atom - Atom Distances (Å)
  P1 F2
P11.6173
F21.6173

picture of phosphorus monofluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Δ)

Jump to S1C1
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-440.328846
Energy at 298.15K-440.329186
Nuclear repulsion energy44.370825
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 CISD/6-31G*
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 895 828 104.87      

Unscaled Zero Point Vibrational Energy (zpe) 447.3 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 414.1 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 CISD/6-31G*
B
0.55225

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.604
F2 0.000 0.000 -1.006

Atom - Atom Distances (Å)
  P1 F2
P11.6100
F21.6100

picture of phosphorus monofluoride state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability