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

using model chemistry: CCSD(T)/CEP-31G*

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 CCSD(T)/CEP-31G*
 hartrees
Energy at 0K-1.151518
Energy at 298.15K-1.151439
HF Energy-1.126413
Nuclear repulsion energy0.705941
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 CCSD(T)/CEP-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 Σg 4362 4114        

Unscaled Zero Point Vibrational Energy (zpe) 2181.0 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 2056.9 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 CCSD(T)/CEP-31G*
B
59.90164

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/CEP-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 0.374
H2 0.000 0.000 -0.374

Atom - Atom Distances (Å)
  H1 H2
H10.7473
H20.7473

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