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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-2641.200750
Energy at 298.15K-2641.201900
Nuclear repulsion energy786.828330
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 PBEPBE/6-31+G**
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' 359 355 0.00      
2 A1' 259 256 0.00      
3 A2" 412 407 317.12      
4 A2" 285 281 5.23      
5 E' 530 524 175.93      
5 E' 530 524 176.03      
6 E' 252 249 2.41      
6 E' 252 249 2.41      
7 E' 83 82 0.71      
7 E' 83 82 0.71      
8 E" 244 241 0.00      
8 E" 244 241 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1765.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 1745.2 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 PBEPBE/6-31+G**
ABC
0.03735 0.03022 0.03022

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.000
Cl2 0.000 2.074 0.000
Cl3 1.796 -1.037 0.000
Cl4 -1.796 -1.037 0.000
Cl5 0.000 0.000 2.179
Cl6 0.000 0.000 -2.179

Atom - Atom Distances (Å)
  P1 Cl2 Cl3 Cl4 Cl5 Cl6
P12.07422.07422.07422.17902.1790
Cl22.07423.59263.59263.00843.0084
Cl32.07423.59263.59263.00843.0084
Cl42.07423.59263.59263.00843.0084
Cl52.17903.00843.00843.00844.3581
Cl62.17903.00843.00843.00844.3581

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
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.392      
2 Cl 0.178      
3 Cl 0.178      
4 Cl 0.178      
5 Cl -0.072      
6 Cl -0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.679 0.000 0.000
y 0.000 12.679 0.000
z 0.000 0.000 14.210


<r2> (average value of r2) Å2
<r2> 428.765
(<r2>)1/2 20.707