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 PPO (Phosphorus oxide phosphide)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-757.544600
Energy at 298.15K-757.545630
HF Energy-757.544600
Nuclear repulsion energy124.593298
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 HSEh1PBE/6-31G**
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 1308 1248 129.22      
2 Σ 682 651 0.86      
3 Π 184 176 3.62      
3 Π 184 176 3.62      

Unscaled Zero Point Vibrational Energy (zpe) 1178.8 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 1125.0 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 HSEh1PBE/6-31G**
B
0.12932

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 1.457
P2 0.000 0.000 -0.434
O3 0.000 0.000 -1.918

Atom - Atom Distances (Å)
  P1 P2 O3
P11.89043.3744
P21.89041.4840
O33.37441.4840

picture of Phosphorus oxide phosphide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 P2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.084      
2 P 0.528      
3 O -0.445      


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 1.263 1.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.315 0.000 0.000
y 0.000 -30.315 0.000
z 0.000 0.000 -34.337
Traceless
 xyz
x 2.011 0.000 0.000
y 0.000 2.011 0.000
z 0.000 0.000 -4.022
Polar
3z2-r2-8.044
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.687 0.000 0.000
y 0.000 3.687 0.000
z 0.000 0.000 11.083


<r2> (average value of r2) Å2
<r2> 83.843
(<r2>)1/2 9.157