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: CCSD=FULL/aug-cc-pCVTZ

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=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-876.516898
Energy at 298.15K 
HF Energy-875.205366
Nuclear repulsion energy133.826296
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=FULL/aug-cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pCVTZ
ABC
1.10727 0.15160 0.13335

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.825 0.000
O2 1.458 0.832 0.000
Cl3 -0.686 -1.119 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.45812.0616
O21.45812.8993
Cl32.06162.8993

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 109.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability