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

using model chemistry: CISD/3-21G

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 1Σ

State 1 (3Σ)

Jump to S2C1
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-796.388118
Energy at 298.15K 
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 CISD/3-21G
Rotational Constants (cm-1) from geometry optimized at CISD/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-796.332523
Energy at 298.15K-796.332688
Nuclear repulsion energy59.950357
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/3-21G
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 429 404 40.68      

Unscaled Zero Point Vibrational Energy (zpe) 214.4 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 201.8 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 CISD/3-21G
B
0.20258

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 -1.196
Cl2 0.000 0.000 1.055

Atom - Atom Distances (Å)
  P1 Cl2
P12.2509
Cl22.2509

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