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All results from a given calculation for H2 (Hydrogen diatomic)

using model chemistry: B2PLYP/CEP-121G

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 B2PLYP/CEP-121G
 hartrees
Energy at 0K-1.161679
Energy at 298.15K-1.161600
HF Energy-1.155740
Nuclear repulsion energy0.715997
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/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 Σg 4430 4430 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2214.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2214.9 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/CEP-121G
B
61.24369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/CEP-121G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 0.370
H2 0.000 0.000 -0.370

Atom - Atom Distances (Å)
  H1 H2
H10.7391
H20.7391

picture of Hydrogen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 H 0.000      


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.995


<r2> (average value of r2) Å2
<r2> 1.469
(<r2>)1/2 1.212