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

using model chemistry: CCD/6-31+G**

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 CCD/6-31+G**
 hartrees
Energy at 0K-681.657742
Energy at 298.15K-681.658417
HF Energy-681.423870
Nuclear repulsion energy62.520937
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 CCD/6-31+G**
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 802 756 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 401.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 378.1 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 CCD/6-31+G**
B
0.30013

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.952
P2 0.000 0.000 -0.952

Atom - Atom Distances (Å)
  P1 P2
P11.9044
P21.9044

picture of Phosphorus diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability