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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-491.508762
Energy at 298.15K-491.509909
HF Energy-491.341807
Nuclear repulsion energy97.277318
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 B2PLYP/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 A1 1036 984 1.64      
2 A1 391 371 27.92      
3 B2 1344 1275 98.54      

Unscaled Zero Point Vibrational Energy (zpe) 1385.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 1315.1 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 B2PLYP/6-31G*
ABC
3.12951 0.27853 0.25577

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.302
O2 0.000 1.375 -0.283
O3 0.000 -1.375 -0.283

Atom - Atom Distances (Å)
  P1 O2 O3
P11.49471.4947
O21.49472.7510
O31.49472.7510

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 133.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.956      
2 O -0.478      
3 O -0.478      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.407 0.000 0.000
y 0.000 4.752 0.000
z 0.000 0.000 2.852


<r2> (average value of r2) Å2
<r2> 47.700
(<r2>)1/2 6.907