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: HF/CEP-121G*

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 HF/CEP-121G*
 hartrees
Energy at 0K-16.286859
Energy at 298.15K-16.286778
HF Energy-16.286859
Nuclear repulsion energy8.017121
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 HF/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 528 477 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 264.0 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 238.5 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 HF/CEP-121G*
B
0.27327

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.900
P2 0.000 0.000 -1.080

Atom - Atom Distances (Å)
  S1 P2
S11.9802
P21.9802

picture of phosphorus sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.072      
2 P 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.810 0.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.928 0.000 0.000
y 0.000 -22.981 0.000
z 0.000 0.000 -24.483
Traceless
 xyz
x -2.196 0.000 0.000
y 0.000 2.224 0.000
z 0.000 0.000 -0.028
Polar
3z2-r2-0.057
x2-y2-2.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.510 0.000 0.000
y 0.000 3.452 0.000
z 0.000 0.000 8.483


<r2> (average value of r2) Å2
<r2> 25.974
(<r2>)1/2 5.096