return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-876.523404
Energy at 298.15K-876.524364
HF Energy-876.523404
Nuclear repulsion energy133.644725
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 PBE1PBE/cc-pV(T+d)Z
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' 1320 1320 107.26      
2 A' 512 512 168.61      
3 A' 312 312 4.10      

Unscaled Zero Point Vibrational Energy (zpe) 1072.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1072.2 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 PBE1PBE/cc-pV(T+d)Z
ABC
1.11550 0.15071 0.13277

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.824 0.000
O2 1.458 0.842 0.000
Cl3 -0.686 -1.124 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.45792.0651
O21.45792.9084
Cl32.06512.9084

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 110.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.536      
2 O -0.355      
3 Cl -0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.660 0.701 0.000 1.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.871 -1.634 0.000
y -1.634 -29.598 0.000
z 0.000 0.000 -28.321
Traceless
 xyz
x -4.912 -1.634 0.000
y -1.634 1.499 0.000
z 0.000 0.000 3.413
Polar
3z2-r26.826
x2-y2-4.274
xy-1.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.177 1.356 0.000
y 1.356 6.695 0.000
z 0.000 0.000 3.624


<r2> (average value of r2) Å2
<r2> 81.434
(<r2>)1/2 9.024