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

using model chemistry: MP2/6-31G*

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
3 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1 S3C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-440.387475
Energy at 298.15K-440.387808
HF Energy-440.143958
Nuclear repulsion energy44.052113
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*
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 869 819 102.28      

Unscaled Zero Point Vibrational Energy (zpe) 434.4 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 409.7 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*
B
0.54435

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.605
F2 0.000 0.000 -1.008

Atom - Atom Distances (Å)
  P1 F2
P11.6134
F21.6134

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 S3C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-440.330369
Energy at 298.15K-440.330707
Nuclear repulsion energy44.218738
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*
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 887 837 93.56      

Unscaled Zero Point Vibrational Energy (zpe) 443.6 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 418.3 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 MP2/6-31G*
B
0.54847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

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 -1.010

Atom - Atom Distances (Å)
  P1 F2
P11.6156
F21.6156

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 3 (1Σ)

Jump to S1C1 S2C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-440.330369
Energy at 298.15K-440.330707
HF Energy-440.070710
Nuclear repulsion energy44.218930
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*
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 887 837 93.56      

Unscaled Zero Point Vibrational Energy (zpe) 443.6 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 418.3 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 MP2/6-31G*
B
0.54848

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

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 -1.007

Atom - Atom Distances (Å)
  P1 F2
P11.6111
F21.6111

picture of phosphorus monofluoride state 3 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability