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 PS (phosphorus sulfide)

using model chemistry: CCSD(T)/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at CCSD(T)/daug-cc-pVTZ
 hartrees
Energy at 0K-738.628814
Energy at 298.15K 
HF Energy-738.288519
Nuclear repulsion energy65.989256
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(T)/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 781 781        

Unscaled Zero Point Vibrational Energy (zpe) 390.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 390.5 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 CCSD(T)/daug-cc-pVTZ
B
0.28932

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.931
P2 0.000 0.000 -0.993

Atom - Atom Distances (Å)
  S1 P2
S11.9245
P21.9245

picture of phosphorus sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability