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All results from a given calculation for PCl (phosphorus chloride)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

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

State 1 (3Σ)

Jump to S2C1
Vibrational Frequencies calculated at QCISD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-800.562687
Energy at 298.15K-800.562953
Nuclear repulsion energy66.499406
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(T)/cc-pVTZ
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 556 528        

Unscaled Zero Point Vibrational Energy (zpe) 278.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 263.8 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(T)/cc-pVTZ
B
0.24922

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 -1.078
Cl2 0.000 0.000 0.951

Atom - Atom Distances (Å)
  P1 Cl2
P12.0293
Cl22.0293

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