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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-870.718993
Energy at 298.15K-870.719814
HF Energy-870.718993
Nuclear repulsion energy124.331681
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/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' 1321 1197 93.92      
2 A' 415 376 145.54      
3 A' 269 244 8.32      

Unscaled Zero Point Vibrational Energy (zpe) 1002.8 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 908.1 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/3-21G
ABC
0.96603 0.12871 0.11358

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.927 0.000
O2 1.508 0.915 0.000
Cl3 -0.710 -1.248 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.50802.2876
O21.50803.0976
Cl32.28763.0976

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 107.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 1.090      
2 O -0.631      
3 Cl -0.459      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.113 3.693 0.000 3.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.121 -3.620 0.000
y -3.620 -32.838 0.000
z 0.000 0.000 -29.022
Traceless
 xyz
x -6.191 -3.620 0.000
y -3.620 0.234 0.000
z 0.000 0.000 5.958
Polar
3z2-r211.915
x2-y2-4.283
xy-3.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.222 1.971 0.000
y 1.971 6.643 0.000
z 0.000 0.000 1.964


<r2> (average value of r2) Å2
<r2> 93.414
(<r2>)1/2 9.665