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: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-875.214928
Energy at 298.15K-875.215945
HF Energy-875.214928
Nuclear repulsion energy135.121615
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 HF/aug-cc-pVQZ
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' 1454 1321 174.87      
2 A' 529 481 228.75      
3 A' 347 316 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 1165.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1058.4 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 HF/aug-cc-pVQZ
ABC
1.13189 0.15393 0.13550

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.827 0.000
O2 1.428 0.829 0.000
Cl3 -0.672 -1.120 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.42802.0591
O21.42802.8651
Cl32.05912.8651

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 109.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.257      
2 O -0.902      
3 Cl -0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.939 0.866 0.000 2.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.221 -1.919 0.000
y -1.919 -30.134 0.000
z 0.000 0.000 -28.421
Traceless
 xyz
x -5.943 -1.919 0.000
y -1.919 1.686 0.000
z 0.000 0.000 4.257
Polar
3z2-r28.514
x2-y2-5.086
xy-1.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 1.046 0.000
y 1.046 6.943 0.000
z 0.000 0.000 4.515


<r2> (average value of r2) Å2
<r2> 80.581
(<r2>)1/2 8.977