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All results from a given calculation for P2 (Phosphorus diatomic)

using model chemistry: TPSSh/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-679.229178
Energy at 298.15K-679.229817
HF Energy-679.229178
Nuclear repulsion energy60.287408
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 TPSSh/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 708 686 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 354.2 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 343.1 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 TPSSh/3-21G
B
0.27907

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.987
P2 0.000 0.000 -0.987

Atom - Atom Distances (Å)
  P1 P2
P11.9750
P21.9750

picture of Phosphorus diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.000      
2 P 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


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 2.594 0.000 0.000
y 0.000 2.594 0.000
z 0.000 0.000 9.870


<r2> (average value of r2) Å2
<r2> 46.154
(<r2>)1/2 6.794