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

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-871.358847
Energy at 298.15K-871.359773
HF Energy-870.968346
Nuclear repulsion energy131.848345
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 QCISD/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' 1243 1195 51.07      
2 A' 491 471 179.87      
3 A' 309 297 6.79      

Unscaled Zero Point Vibrational Energy (zpe) 1021.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 981.5 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 QCISD/3-21G*
ABC
1.08434 0.14711 0.12954

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.827 0.000
O2 1.492 0.849 0.000
Cl3 -0.702 -1.129 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.49202.0784
O21.49202.9542
Cl32.07842.9542

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 110.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability