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All results from a given calculation for PO2 (Phosphorus dioxide)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-485.750116
Energy at 298.15K-485.750913
Nuclear repulsion energy90.936607
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 B3LYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1125 1004 6.82      
2 A' 691 617 2.41      
3 A' 259 231 7.00      

Unscaled Zero Point Vibrational Energy (zpe) 1037.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 925.9 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 B3LYP/STO-3G
ABC
1.08125 0.31377 0.24319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.516 0.000
O2 1.289 -0.372 0.000
O3 -1.289 -0.597 0.000

Atom - Atom Distances (Å)
  P1 O2 O3
P11.56541.7032
O21.56542.5878
O31.70322.5878

picture of Phosphorus dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 O3 104.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.524      
2 O -0.333      
3 O -0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.588 1.151 0.000 1.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.027 0.040 0.000
y 0.040 -19.974 0.000
z 0.000 0.000 -18.120
Traceless
 xyz
x -3.980 0.040 0.000
y 0.040 0.600 0.000
z 0.000 0.000 3.380
Polar
3z2-r26.760
x2-y2-3.053
xy0.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.972 0.224 0.000
y 0.224 1.568 0.000
z 0.000 0.000 0.866


<r2> (average value of r2) Å2
<r2> 47.266
(<r2>)1/2 6.875