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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-491.497239
Energy at 298.15K-491.498398
Nuclear repulsion energy98.036286
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 HSEh1PBE/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 1081 1028 2.52      
2 A1 398 378 28.53      
3 B2 1330 1265 78.86      

Unscaled Zero Point Vibrational Energy (zpe) 1404.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 1335.7 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 HSEh1PBE/6-31G*
ABC
3.12898 0.28359 0.26002

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.363 -0.283
O3 0.000 -1.363 -0.283

Atom - Atom Distances (Å)
  P1 O2 O3
P11.48341.4834
O21.48342.7263
O31.48342.7263

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 133.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.825      
2 O -0.412      
3 O -0.412      


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 1.438 1.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.500 0.000 0.000
y 0.000 -28.116 0.000
z 0.000 0.000 -21.385
Traceless
 xyz
x 4.251 0.000 0.000
y 0.000 -7.174 0.000
z 0.000 0.000 2.923
Polar
3z2-r25.845
x2-y27.617
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.403 0.000 0.000
y 0.000 4.723 0.000
z 0.000 0.000 2.863


<r2> (average value of r2) Å2
<r2> 46.956
(<r2>)1/2 6.852