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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-875.854950
Energy at 298.15K-875.850538
HF Energy-875.076770
Nuclear repulsion energy134.566920
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 CBS-Q
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' 1439 1439 178.97      
2 A' 539 539 248.69      
3 A' 348 348 9.01      

Unscaled Zero Point Vibrational Energy (zpe) 1162.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1162.8 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 CBS-Q
ABC
1.08789 0.14683 0.12937

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.828 0.000
O2 1.438 0.829 0.000
Cl3 -0.677 -1.121 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.43822.0633
O21.43822.8769
Cl32.06332.8769

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 109.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability