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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-491.879677
Energy at 298.15K-491.880831
Nuclear repulsion energy98.174377
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1068 1033 3.64      
2 A1 387 374 27.12      
3 B2 1305 1261 79.69      

Unscaled Zero Point Vibrational Energy (zpe) 1380.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 1334.0 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 B3LYP/cc-pVTZ
ABC
3.10001 0.28493 0.26095

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.303
O2 0.000 1.360 -0.284
O3 0.000 -1.360 -0.284

Atom - Atom Distances (Å)
  P1 O2 O3
P11.48161.4816
O21.48162.7199
O31.48162.7199

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 133.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.704      
2 O -0.352      
3 O -0.352      


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 1.483 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.710 0.000 0.000
y 0.000 -28.454 0.000
z 0.000 0.000 -21.630
Traceless
 xyz
x 4.332 0.000 0.000
y 0.000 -7.284 0.000
z 0.000 0.000 2.952
Polar
3z2-r25.904
x2-y27.744
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.821 0.000 0.000
y 0.000 5.089 0.000
z 0.000 0.000 3.288


<r2> (average value of r2) Å2
<r2> 47.005
(<r2>)1/2 6.856