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

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-875.625538
Energy at 298.15K-875.626488
HF Energy-875.153401
Nuclear repulsion energy131.900811
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 CCSD/TZVP
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' 1279 1220 107.16      
2 A' 506 483 189.36      
3 A' 312 298 6.79      

Unscaled Zero Point Vibrational Energy (zpe) 1048.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1000.6 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 CCSD/TZVP
ABC
1.05537 0.14809 0.12987

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.842 0.000
O2 1.481 0.828 0.000
Cl3 -0.697 -1.133 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.48062.0937
O21.48062.9301
Cl32.09372.9301

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 108.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability