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All results from a given calculation for PO (Phosphorus monoxide)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-22.404653
Energy at 298.15K-22.404738
HF Energy-22.404653
Nuclear repulsion energy9.963458
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/CEP-121G
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 1029 1003 26.76      

Unscaled Zero Point Vibrational Energy (zpe) 514.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 501.3 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/CEP-121G
B
0.62951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 -1.039
P2 0.000 0.000 0.554

Atom - Atom Distances (Å)
  O1 P2
O11.5934
P21.5934

picture of Phosphorus monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.459      
2 P 0.459      


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 2.526 2.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.251 0.000 0.000
y 0.000 -18.007 0.000
z 0.000 0.000 -19.636
Traceless
 xyz
x 3.570 0.000 0.000
y 0.000 -0.564 0.000
z 0.000 0.000 -3.007
Polar
3z2-r2-6.013
x2-y22.756
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.966 0.000 0.000
y 0.000 2.169 0.000
z 0.000 0.000 4.407


<r2> (average value of r2) Å2
<r2> 19.027
(<r2>)1/2 4.362