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All results from a given calculation for PPO (Phosphorus oxide phosphide)

using model chemistry: PBEPBE/3-21G

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 PBEPBE/3-21G
 hartrees
Energy at 0K-753.565598
Energy at 298.15K-753.566278
HF Energy-753.565598
Nuclear repulsion energy117.039460
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 PBEPBE/3-21G
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 1110 1100 40.08      
2 Σ 555 550 0.88      
3 Π 104 103 0.81      
3 Π 104 103 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 936.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 927.7 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 PBEPBE/3-21G
B
0.11424

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 1.548
P2 0.000 0.000 -0.456
O3 0.000 0.000 -2.046

Atom - Atom Distances (Å)
  P1 P2 O3
P12.00403.5934
P22.00401.5894
O33.59341.5894

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 PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.013      
2 P 0.429      
3 O -0.416      


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 0.655 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.463 0.000 0.000
y 0.000 -31.463 0.000
z 0.000 0.000 -35.275
Traceless
 xyz
x 1.906 0.000 0.000
y 0.000 1.906 0.000
z 0.000 0.000 -3.812
Polar
3z2-r2-7.623
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 2.938 0.000 0.000
y 0.000 2.938 0.000
z 0.000 0.000 11.917


<r2> (average value of r2) Å2
<r2> 92.976
(<r2>)1/2 9.642