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All results from a given calculation for OPCl (Phosphorus oxychloride)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-872.532486
Energy at 298.15K-872.533403
HF Energy-872.532486
Nuclear repulsion energy131.796063
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 B3PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1291 1238 74.34      
2 A' 489 469 162.62      
3 A' 300 288 5.94      

Unscaled Zero Point Vibrational Energy (zpe) 1039.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 997.3 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 B3PW91/3-21G*
ABC
1.10860 0.14589 0.12893

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.826 0.000
O2 1.484 0.870 0.000
Cl3 -0.698 -1.138 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.48462.0839
O21.48462.9653
Cl32.08392.9653

picture of Phosphorus oxychloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 Cl3 111.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.630      
2 O -0.351      
3 Cl -0.279      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.162 1.294 0.000 1.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.766 -1.846 0.000
y -1.846 -30.628 0.000
z 0.000 0.000 -28.369
Traceless
 xyz
x -4.268 -1.846 0.000
y -1.846 0.440 0.000
z 0.000 0.000 3.828
Polar
3z2-r27.656
x2-y2-3.139
xy-1.846
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.191 1.546 0.000
y 1.546 5.733 0.000
z 0.000 0.000 2.558


<r2> (average value of r2) Å2
<r2> 83.506
(<r2>)1/2 9.138