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All results from a given calculation for PCl5 (Phosphorus pentachloride)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-2638.958353
Energy at 298.15K-2638.959918
HF Energy-2638.121428
Nuclear repulsion energy798.262171
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 400 381 0.00      
2 A1' 293 279 0.00      
3 A2" 467 444 337.79      
4 A2" 311 297 9.02      
5 E' 599 570 171.65      
5 E' 599 570 171.65      
6 E' 278 265 5.80      
6 E' 278 265 5.80      
7 E' 97 92 0.55      
7 E' 97 92 0.55      
8 E" 269 256 0.00      
8 E" 269 256 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1978.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 1883.7 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 QCISD/6-31G*
ABC
0.03845 0.03111 0.03111

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
Cl2 0.000 2.044 0.000
Cl3 1.771 -1.022 0.000
Cl4 -1.771 -1.022 0.000
Cl5 0.000 0.000 2.148
Cl6 0.000 0.000 -2.148

Atom - Atom Distances (Å)
  P1 Cl2 Cl3 Cl4 Cl5 Cl6
P12.04442.04442.04442.14792.1479
Cl22.04443.54103.54102.96542.9654
Cl32.04443.54103.54102.96542.9654
Cl42.04443.54103.54102.96542.9654
Cl52.14792.96542.96542.96544.2959
Cl62.14792.96542.96542.96544.2959

picture of Phosphorus pentachloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 P1 Cl3 120.000 Cl2 P1 Cl4 120.000
Cl2 P1 Cl5 90.000 Cl2 P1 Cl6 90.000
Cl3 P1 Cl4 120.000 Cl3 P1 Cl5 90.000
Cl3 P1 Cl6 90.000 Cl4 P1 Cl5 90.000
Cl4 P1 Cl6 90.000 Cl5 P1 Cl6 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability