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: B3LYPultrafine/aug-cc-pVDZ

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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-757.935050
Energy at 298.15K-757.936137
HF Energy-757.935050
Nuclear repulsion energy122.841081
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 B3LYPultrafine/aug-cc-pVDZ
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 1232 1195 152.65      
2 Σ 655 636 2.40      
3 Π 207 200 1.52      
3 Π 207 200 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 1149.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 1115.8 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 B3LYPultrafine/aug-cc-pVDZ
B
0.12576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 1.476
P2 0.000 0.000 -0.438
O3 0.000 0.000 -1.947

Atom - Atom Distances (Å)
  P1 P2 O3
P11.91433.4229
P21.91431.5086
O33.42291.5086

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 B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.210      
2 P 0.281      
3 O -0.492      


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 1.962 1.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.959 0.000 0.000
y 0.000 -30.959 0.000
z 0.000 0.000 -33.797
Traceless
 xyz
x 1.419 0.000 0.000
y 0.000 1.419 0.000
z 0.000 0.000 -2.838
Polar
3z2-r2-5.676
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 5.979 0.000 0.000
y 0.000 5.979 0.000
z 0.000 0.000 12.288


<r2> (average value of r2) Å2
<r2> 85.812
(<r2>)1/2 9.263